mirror of
https://github.com/roc-lang/roc.git
synced 2025-09-27 13:59:08 +00:00
2774 lines
52 KiB
Rust
2774 lines
52 KiB
Rust
#[macro_use]
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extern crate pretty_assertions;
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#[macro_use]
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extern crate indoc;
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extern crate bumpalo;
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extern crate roc_fmt;
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#[cfg(test)]
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mod test_fmt {
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use bumpalo::collections::String;
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use bumpalo::Bump;
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use roc_fmt::annotation::{Formattable, Newlines, Parens};
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use roc_fmt::def::fmt_def;
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use roc_fmt::module::fmt_module;
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use roc_parse::module::{self, module_defs};
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use roc_parse::parser::{Parser, State};
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fn expr_formats_to(input: &str, expected: &str) {
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let arena = Bump::new();
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let input = input.trim_end();
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let expected = expected.trim_end();
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match roc_parse::test_helpers::parse_expr_with(&arena, input.trim()) {
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Ok(actual) => {
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let mut buf = String::new_in(&arena);
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actual.format_with_options(&mut buf, Parens::NotNeeded, Newlines::Yes, 0);
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assert_eq!(buf, expected)
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}
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Err(error) => panic!("Unexpected parse failure when parsing this for formatting:\n\n{}\n\nParse error was:\n\n{:?}\n\n", input, error)
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};
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}
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fn expr_formats_same(input: &str) {
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expr_formats_to(input, input);
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}
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fn module_formats_to(src: &str, expected: &str) {
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let arena = Bump::new();
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let src = src.trim_end();
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let expected = expected.trim_end();
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match module::parse_header(&arena, State::new(src.as_bytes())) {
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Ok((actual, state)) => {
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let mut buf = String::new_in(&arena);
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fmt_module(&mut buf, &actual);
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match module_defs().parse(&arena, state) {
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Ok((_, loc_defs, _)) => {
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for loc_def in loc_defs {
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fmt_def(&mut buf, arena.alloc(loc_def.value), 0);
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}
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}
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Err(error) => panic!("Unexpected parse failure when parsing this for defs formatting:\n\n{:?}\n\nParse error was:\n\n{:?}\n\n", src, error)
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}
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assert_eq!(buf, expected)
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}
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Err(error) => panic!("Unexpected parse failure when parsing this for module header formatting:\n\n{:?}\n\nParse error was:\n\n{:?}\n\n", src, error)
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};
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}
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fn module_formats_same(input: &str) {
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module_formats_to(input, input);
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}
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// STRING LITERALS
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#[test]
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fn empty_string() {
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expr_formats_same(indoc!(
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r#"
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""
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"#
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));
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}
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#[test]
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fn def_with_comment() {
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expr_formats_same(indoc!(
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r#"
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# This variable is for greeting
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a = "Hello"
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a
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"#
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));
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}
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#[test]
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fn def_with_comment_and_extra_space() {
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expr_formats_to(
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indoc!(
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r#"
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# This variable is for greeting
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a = "Hello"
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a
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"#
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),
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indoc!(
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r#"
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# This variable is for greeting
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a = "Hello"
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a
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"#
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),
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);
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}
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#[test]
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fn force_space_at_beginning_of_comment() {
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expr_formats_to(
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indoc!(
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r#"
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#comment
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f
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"#
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),
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indoc!(
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r#"
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# comment
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f
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"#
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),
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);
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}
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#[test]
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fn func_def() {
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expr_formats_same(indoc!(
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r#"
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f = \x, y ->
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x
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f 4
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"#
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));
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}
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#[test]
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fn new_line_above_return() {
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expr_formats_to(
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indoc!(
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r#"
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f = \x, y ->
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y = 4
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z = 8
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x
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"string"
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"#
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),
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indoc!(
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r#"
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f = \x, y ->
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y = 4
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z = 8
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x
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"string"
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"#
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),
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);
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expr_formats_same(indoc!(
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r#"
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f = \x, y ->
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a = 3
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b = 6
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c
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"string"
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"#
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));
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}
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#[test]
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fn basic_string() {
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expr_formats_same(indoc!(
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r#"
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"blah"
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"#
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));
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}
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#[test]
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fn escaped_unicode_string() {
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expr_formats_same(indoc!(
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r#"
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"unicode: \u(A00A)!"
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"#
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));
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}
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#[test]
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fn escaped_quote_string() {
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expr_formats_same(indoc!(
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r#"
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"\""
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"#
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));
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}
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// #[test]
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// fn empty_block_string() {
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// expr_formats_same(indoc!(
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// r#"
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// """"""
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// "#
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// ));
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// }
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// #[test]
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// fn basic_block_string() {
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// expr_formats_same(indoc!(
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// r#"
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// """blah"""
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// "#
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// ));
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// }
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// #[test]
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// fn newlines_block_string() {
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// expr_formats_same(indoc!(
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// r#"
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// """blah
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// spam
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// foo"""
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// "#
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// ));
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// }
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// #[test]
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// fn quotes_block_string() {
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// expr_formats_same(indoc!(
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// r#"
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// """
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// "" \""" ""\"
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// """
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// "#
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// ));
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// }
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#[test]
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fn zero() {
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expr_formats_same(indoc!(
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r#"
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0
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"#
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));
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}
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#[test]
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fn zero_point_zero() {
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expr_formats_same(indoc!(
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r#"
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0.0
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"#
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));
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}
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#[test]
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fn int_with_underscores() {
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expr_formats_same(indoc!(
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r#"
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1_23_456
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"#
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));
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}
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#[test]
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fn float_with_underscores() {
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expr_formats_same(indoc!(
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r#"
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1_23_456.7_89_10
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"#
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));
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}
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#[test]
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fn multi_arg_closure() {
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expr_formats_same(indoc!(
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r#"
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\a, b, c -> a b c
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"#
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));
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}
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#[test]
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fn destructure_tag_closure() {
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expr_formats_same(indoc!(
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r#"
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\Foo a -> Foo a
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"#
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));
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}
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#[test]
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fn destructure_nested_tag_closure() {
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expr_formats_same(indoc!(
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r#"
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\Foo (Bar a) -> Foo (Bar a)
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"#
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));
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}
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// DEFS
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#[test]
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fn single_def() {
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expr_formats_same(indoc!(
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r#"
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x = 5
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42
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"#
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));
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}
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#[test]
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fn two_defs() {
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expr_formats_same(indoc!(
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r#"
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x = 5
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y = 10
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42
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"#
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));
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expr_formats_to(
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indoc!(
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r#"
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x = 5
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y = 10
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42
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"#
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),
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indoc!(
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r#"
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x = 5
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y = 10
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42
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"#
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),
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);
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}
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#[test]
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fn excess_parens() {
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expr_formats_to(
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indoc!(
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r#"
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x = (5)
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y = ((10))
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42
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"#
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),
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indoc!(
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r#"
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x = 5
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y = 10
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42
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"#
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),
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);
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}
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#[test]
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fn defs_with_defs() {
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expr_formats_to(
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indoc!(
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r#"
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x =
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y = 4
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z = 8
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w
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x
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"#
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),
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indoc!(
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r#"
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x =
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y = 4
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z = 8
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w
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x
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"#
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),
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);
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}
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#[test]
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fn comment_between_two_defs() {
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expr_formats_same(indoc!(
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r#"
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x = 5
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# Hello
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y = 10
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42
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"#
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));
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expr_formats_same(indoc!(
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r#"
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x = 5
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# Hello
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# two comments
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y = 10
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42
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"#
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));
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expr_formats_same(indoc!(
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r#"
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x = 5
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# Hello
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# two comments
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y = 10
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# v-- This is the return value
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42
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"#
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));
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}
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#[test]
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fn space_between_comments() {
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expr_formats_to(
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indoc!(
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r#"
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# 9
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# A
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# B
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# C
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9
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"#
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),
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indoc!(
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r#"
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# 9
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# A
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# B
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# C
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9
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"#
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),
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);
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}
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#[test]
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fn reduce_space_between_comments() {
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expr_formats_to(
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indoc!(
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r#"
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# First
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# Second
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x
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"#
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),
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indoc!(
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r#"
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# First
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# Second
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x
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"#
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),
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);
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expr_formats_to(
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indoc!(
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r#"
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f = \x ->
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# 1st
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|
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|
|
|
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# 2nd
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x
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f 4
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"#
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),
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indoc!(
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r#"
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f = \x ->
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# 1st
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# 2nd
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x
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f 4
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"#
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),
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);
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}
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#[test]
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fn doesnt_detect_comment_in_comment() {
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expr_formats_same(indoc!(
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r#"
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# One Comment # Still one Comment
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9
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"#
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));
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}
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#[test]
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fn parenthetical_def() {
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expr_formats_same(indoc!(
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r#"
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(UserId userId) = 5
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y = 10
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|
|
42
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"#
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));
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expr_formats_same(indoc!(
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r#"
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# A
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(UserId userId) = 5
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# B
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y = 10
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|
|
42
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"#
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));
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}
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#[test]
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fn record_destructuring() {
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expr_formats_same(indoc!(
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r#"
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{ x, y } = 5
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{ x: 5 } = { x: 5 }
|
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|
|
42
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"#
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));
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}
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|
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#[test]
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fn record_field_destructuring() {
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expr_formats_same(indoc!(
|
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r#"
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when foo is
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{ x: 5 } ->
|
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42
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"#
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));
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}
|
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|
|
#[test]
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fn record_updating() {
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expr_formats_same(indoc!(
|
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r#"
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{ shoes & leftShoe: nothing }
|
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"#
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));
|
|
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|
expr_formats_to(
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indoc!(
|
|
r#"
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{ shoes & rightShoe : nothing }
|
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"#
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),
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|
indoc!(
|
|
r#"
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{ shoes & rightShoe: nothing }
|
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"#
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|
),
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);
|
|
|
|
expr_formats_to(
|
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indoc!(
|
|
r#"
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{ shoes & rightShoe : nothing }
|
|
"#
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|
),
|
|
indoc!(
|
|
r#"
|
|
{ shoes & rightShoe: nothing }
|
|
"#
|
|
),
|
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);
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
{ shoes &
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rightShoe: newRightShoe,
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leftShoe: newLeftShoe,
|
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}
|
|
"#
|
|
));
|
|
|
|
expr_formats_to(
|
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indoc!(
|
|
r#"
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{ shoes
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& rightShoe: bareFoot
|
|
, leftShoe: bareFoot }
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
{ shoes &
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rightShoe: bareFoot,
|
|
leftShoe: bareFoot,
|
|
}
|
|
"#
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|
),
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|
);
|
|
}
|
|
|
|
#[test]
|
|
fn final_comments_in_records() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
{
|
|
x: 42,
|
|
# comment
|
|
}"#
|
|
));
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
{
|
|
x: 42,
|
|
# comment
|
|
# other comment
|
|
}"#
|
|
));
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|
}
|
|
|
|
#[test]
|
|
fn final_comments_without_comma_in_records() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
{
|
|
y: 41,
|
|
# comment 1
|
|
x: 42 # comment 2
|
|
}"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
{
|
|
y: 41,
|
|
# comment 1
|
|
x: 42,
|
|
# comment 2
|
|
}"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn multiple_final_comments_without_comma_in_records() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
{
|
|
y: 41,
|
|
x: 42 # comment 1
|
|
# comment 2
|
|
}"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
{
|
|
y: 41,
|
|
x: 42,
|
|
# comment 1
|
|
# comment 2
|
|
}"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn comments_with_newlines_in_records() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
{
|
|
z: 44 #comment 0
|
|
,
|
|
y: 41, # comment 1
|
|
|
|
# comment 2
|
|
x: 42
|
|
|
|
# comment 3
|
|
|
|
# comment 4
|
|
}"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
{
|
|
z: 44,
|
|
# comment 0
|
|
y: 41,
|
|
# comment 1
|
|
# comment 2
|
|
x: 42,
|
|
# comment 3
|
|
# comment 4
|
|
}"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn multiple_final_comments_with_comma_in_records() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
{
|
|
y: 41,
|
|
x: 42, # comment 1
|
|
# comment 2
|
|
}"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
{
|
|
y: 41,
|
|
x: 42,
|
|
# comment 1
|
|
# comment 2
|
|
}"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn trailing_comma_in_record_annotation() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
f: { y : Int *,
|
|
x : Int * ,
|
|
}
|
|
|
|
f"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
f :
|
|
{
|
|
y : Int *,
|
|
x : Int *,
|
|
}
|
|
|
|
f"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn trailing_comma_in_record_annotation_same() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f :
|
|
{
|
|
y : Int *,
|
|
x : Int *,
|
|
}
|
|
|
|
f"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multiline_type_definition() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f :
|
|
Int *
|
|
|
|
f"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multiline_empty_record_type_definition() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f :
|
|
{}
|
|
|
|
f"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn type_definition_comment_after_colon() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
f : # comment
|
|
{}
|
|
|
|
f"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
f :
|
|
# comment
|
|
{}
|
|
|
|
f"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
#[ignore]
|
|
fn final_comment_in_empty_record_type_definition() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
f :
|
|
{ # comment
|
|
}
|
|
|
|
f"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
f :
|
|
{
|
|
# comment
|
|
}
|
|
|
|
f"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
#[ignore]
|
|
fn multiline_inside_empty_record_annotation() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f :
|
|
{
|
|
}
|
|
|
|
f"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn final_comment_record_annotation() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
f :
|
|
{
|
|
x: Int * # comment 1
|
|
,
|
|
# comment 2
|
|
}
|
|
|
|
f"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
f :
|
|
{
|
|
x : Int *,
|
|
# comment 1
|
|
# comment 2
|
|
}
|
|
|
|
f"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn def_closure() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
identity = \a -> a
|
|
|
|
identity 42
|
|
"#
|
|
));
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
identity = \a ->
|
|
a
|
|
|
|
identity 44
|
|
"#
|
|
));
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
identity = \a -> a
|
|
|
|
# Hello
|
|
identity 40
|
|
"#
|
|
));
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
identity = \a
|
|
-> a
|
|
|
|
identity 41
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
identity = \a -> a
|
|
|
|
identity 41
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
identity = \a
|
|
->
|
|
a + b
|
|
|
|
identity 4010
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
identity = \a ->
|
|
a + b
|
|
|
|
identity 4010
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
identity = \a, b -> a
|
|
|
|
identity 43
|
|
"#
|
|
));
|
|
|
|
// expr_formats_same(indoc!(
|
|
// r#"
|
|
// identity =
|
|
// \{
|
|
// x,
|
|
// y
|
|
// }
|
|
// -> a
|
|
//
|
|
// identity 43
|
|
// "#
|
|
// ));
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
identity = \a,
|
|
b,
|
|
# it's c!!
|
|
c
|
|
-> a
|
|
|
|
identity 43
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn closure_multiline_pattern() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
identity = \a,
|
|
b,
|
|
# it's c!!
|
|
c
|
|
-> a
|
|
|
|
identity 43
|
|
"#
|
|
));
|
|
}
|
|
|
|
// LIST
|
|
#[test]
|
|
fn empty_list() {
|
|
expr_formats_same("[]");
|
|
expr_formats_to("[ ]", "[]");
|
|
}
|
|
|
|
#[test]
|
|
fn one_item_list() {
|
|
expr_formats_same(indoc!("[ 4 ] "));
|
|
}
|
|
|
|
#[test]
|
|
fn two_item_list() {
|
|
expr_formats_same(indoc!("[ 7, 8 ] "));
|
|
expr_formats_to(indoc!("[ 7 , 8 ] "), indoc!("[ 7, 8 ] "));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_list() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
[
|
|
7,
|
|
8,
|
|
9,
|
|
]
|
|
"#
|
|
));
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
[ 17
|
|
, 18
|
|
, 19
|
|
]
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
[
|
|
17,
|
|
18,
|
|
19,
|
|
]
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
[ 27
|
|
|
|
, 28
|
|
|
|
|
|
, 29
|
|
]
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
[
|
|
27,
|
|
28,
|
|
29,
|
|
]
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
[
|
|
157, 158,
|
|
159
|
|
]
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
[
|
|
157,
|
|
158,
|
|
159,
|
|
]
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
[
|
|
557, 648,
|
|
759, 837
|
|
]
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
[
|
|
557,
|
|
648,
|
|
759,
|
|
837,
|
|
]
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
[
|
|
257, 358,
|
|
# Hey!
|
|
459
|
|
]
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
[
|
|
257,
|
|
358,
|
|
# Hey!
|
|
459,
|
|
]
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
[
|
|
# Thirty Seven
|
|
|
|
37
|
|
# Thirty Eight
|
|
, 38
|
|
|
|
|
|
, 39
|
|
]
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
[
|
|
# Thirty Seven
|
|
37,
|
|
# Thirty Eight
|
|
38,
|
|
39,
|
|
]
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
[ # 47!
|
|
# Top 47
|
|
47
|
|
# Bottom 47
|
|
# Top 48
|
|
, 48
|
|
# Bottom 48
|
|
# Top 49
|
|
, 49
|
|
# Bottom 49
|
|
# 49!
|
|
]
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
[
|
|
# 47!
|
|
# Top 47
|
|
47,
|
|
# Bottom 47
|
|
# Top 48
|
|
48,
|
|
# Bottom 48
|
|
# Top 49
|
|
49,
|
|
# Bottom 49
|
|
# 49!
|
|
]
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
#[test]
|
|
fn ending_comments_in_list() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
[ # Top 49
|
|
49
|
|
# Bottom 49
|
|
,
|
|
# 49!
|
|
]
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
[
|
|
# Top 49
|
|
49,
|
|
# Bottom 49
|
|
# 49!
|
|
]
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
#[test]
|
|
fn multi_line_list_def() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
l =
|
|
[
|
|
1,
|
|
2,
|
|
]
|
|
|
|
l
|
|
"#
|
|
));
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
results = [
|
|
Ok 4,
|
|
Ok 5
|
|
]
|
|
|
|
allOks results
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
results =
|
|
[
|
|
Ok 4,
|
|
Ok 5,
|
|
]
|
|
|
|
allOks results
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
results =
|
|
# Let's count past 6
|
|
[
|
|
Ok 6,
|
|
Err CountError
|
|
]
|
|
|
|
allOks results
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
results =
|
|
# Let's count past 6
|
|
[
|
|
Ok 6,
|
|
Err CountError,
|
|
]
|
|
|
|
allOks results
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
// RECORD LITERALS
|
|
|
|
#[test]
|
|
fn empty_record() {
|
|
expr_formats_same("{}");
|
|
}
|
|
|
|
#[test]
|
|
#[ignore]
|
|
fn empty_record_with_comment() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
{
|
|
# comment
|
|
}"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
#[ignore]
|
|
fn empty_record_with_newline() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
{
|
|
}"#
|
|
),
|
|
"{}",
|
|
);
|
|
}
|
|
#[test]
|
|
fn one_field() {
|
|
expr_formats_same("{ x: 4 }");
|
|
}
|
|
|
|
#[test]
|
|
fn two_fields() {
|
|
expr_formats_same("{ x: 4, y: 42 }");
|
|
}
|
|
|
|
#[test]
|
|
fn two_fields_newline() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
{
|
|
x: 4,
|
|
y: 42,
|
|
}
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_record_def() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
pos =
|
|
{
|
|
x: 4,
|
|
y: 11,
|
|
z: 16,
|
|
}
|
|
|
|
pos
|
|
"#
|
|
));
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
pos = {
|
|
x: 5,
|
|
y: 10,
|
|
}
|
|
|
|
pos
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
pos =
|
|
{
|
|
x: 5,
|
|
y: 10,
|
|
}
|
|
|
|
pos
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn two_fields_center_newline() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
{ x: 4,
|
|
y: 42
|
|
}
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
{
|
|
x: 4,
|
|
y: 42,
|
|
}
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn one_unnamed_field() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
foo = 4
|
|
|
|
{ foo }
|
|
"#
|
|
));
|
|
}
|
|
|
|
// IF
|
|
|
|
#[test]
|
|
fn single_line_if() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
if foo bar then a b c else d e f
|
|
"#
|
|
));
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
if foo (a b c) then a b c else d e f
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_if_condition() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
if
|
|
waterWillBoil pressure temperature
|
|
then
|
|
turnOnAc
|
|
else
|
|
identity
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_if_condition_with_spaces() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
if
|
|
|
|
|
|
willBoil home water
|
|
|
|
|
|
then
|
|
\_ -> leave
|
|
|
|
else
|
|
identity
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
if
|
|
willBoil home water
|
|
then
|
|
\_ -> leave
|
|
else
|
|
identity
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_if_condition_with_multi_line_expr_1() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
if
|
|
snowWillFall
|
|
pressure
|
|
temperature
|
|
then
|
|
bundleUp
|
|
else
|
|
identity
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_if_condition_with_multi_line_expr_2() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
if
|
|
1
|
|
== 2
|
|
then
|
|
"yes"
|
|
else
|
|
"no"
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn if_removes_newlines_from_else() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
if
|
|
isPrime 8
|
|
then
|
|
nothing
|
|
else
|
|
# C
|
|
# D
|
|
|
|
# E
|
|
# F
|
|
|
|
just (div 1 8)
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
if
|
|
isPrime 8
|
|
then
|
|
nothing
|
|
else
|
|
# C
|
|
# D
|
|
# E
|
|
# F
|
|
just (div 1 8)
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn if_removes_newlines_from_then() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
if
|
|
isPrime 9
|
|
then
|
|
# EE
|
|
# FF
|
|
|
|
nothing
|
|
|
|
# GG
|
|
|
|
else
|
|
just (div 1 9)
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
if
|
|
isPrime 9
|
|
then
|
|
# EE
|
|
# FF
|
|
nothing
|
|
# GG
|
|
else
|
|
just (div 1 9)
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn if_removes_newlines_from_condition() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
if
|
|
|
|
# Is
|
|
|
|
# It
|
|
|
|
isPrime 10
|
|
|
|
# Prime?
|
|
|
|
then
|
|
nothing
|
|
else
|
|
just (div 1 10)
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
if
|
|
# Is
|
|
# It
|
|
isPrime 10
|
|
# Prime?
|
|
then
|
|
nothing
|
|
else
|
|
just (div 1 10)
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_if() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
if lessThan four five then
|
|
four
|
|
|
|
|
|
else
|
|
five
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
if lessThan four five then
|
|
four
|
|
else
|
|
five
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
if lessThan three four then
|
|
|
|
|
|
three
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
four
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
if lessThan three four then
|
|
three
|
|
else
|
|
four
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
if foo bar then
|
|
a b c
|
|
else
|
|
d e f
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_application() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
combine
|
|
peanutButter
|
|
chocolate
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn partial_multi_line_application() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
mix vodka
|
|
tonic
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
mix
|
|
vodka
|
|
tonic
|
|
"#
|
|
),
|
|
);
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
f
|
|
a b c
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
f
|
|
a
|
|
b
|
|
c
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
// WHEN
|
|
|
|
#[test]
|
|
fn integer_when() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when b is
|
|
1 ->
|
|
1
|
|
|
|
_ ->
|
|
2
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn integer_when_with_space() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
when year is
|
|
1999 ->
|
|
|
|
|
|
1
|
|
|
|
|
|
|
|
_ ->
|
|
|
|
0
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
when year is
|
|
1999 ->
|
|
1
|
|
|
|
_ ->
|
|
0
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn when_with_comments() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when b is
|
|
# look at cases
|
|
1 ->
|
|
# when 1
|
|
1
|
|
|
|
# important
|
|
# fall through
|
|
_ ->
|
|
# case 2
|
|
# more comment
|
|
2
|
|
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn nested_when() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when b is
|
|
_ ->
|
|
when c is
|
|
_ ->
|
|
1
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn when_with_alternatives() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when b is
|
|
1 | 2 ->
|
|
when c is
|
|
6 | 7 ->
|
|
8
|
|
|
|
3 | 4 ->
|
|
5
|
|
"#
|
|
));
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when b is
|
|
# a comment here
|
|
1 | 2 ->
|
|
# a comment there
|
|
1
|
|
"#
|
|
));
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
when b is
|
|
1 | 2 |3 ->
|
|
|
|
1
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
when b is
|
|
1 | 2 | 3 ->
|
|
1
|
|
"#
|
|
),
|
|
);
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
when b is
|
|
1 | 2 |
|
|
3
|
|
->
|
|
|
|
4
|
|
5 | 6 | 7 ->
|
|
|
|
8
|
|
9
|
|
| 10 -> 11
|
|
|
|
12 | 13 ->
|
|
when c is
|
|
14 | 15 -> 16
|
|
17
|
|
| 18 -> 19
|
|
20 -> 21
|
|
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
when b is
|
|
1
|
|
| 2
|
|
| 3 ->
|
|
4
|
|
|
|
5 | 6 | 7 ->
|
|
8
|
|
|
|
9
|
|
| 10 ->
|
|
11
|
|
|
|
12 | 13 ->
|
|
when c is
|
|
14 | 15 ->
|
|
16
|
|
|
|
17
|
|
| 18 ->
|
|
19
|
|
|
|
20 ->
|
|
21
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn when_with_moving_comments() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
when b is
|
|
1 ->
|
|
1 # when 1
|
|
|
|
# fall through
|
|
_ ->
|
|
2
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
when b is
|
|
1 ->
|
|
1
|
|
|
|
# when 1
|
|
# fall through
|
|
_ ->
|
|
2
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_when_condition_1() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when
|
|
complexFunction a b c
|
|
is
|
|
1 ->
|
|
Nothing
|
|
|
|
_ ->
|
|
Just True
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_when_condition_2() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when
|
|
# this is quite complicated
|
|
complexFunction a b c
|
|
# Watch out
|
|
is
|
|
Complex x y ->
|
|
simplify x y
|
|
|
|
Simple z ->
|
|
z
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_when_condition_3() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
x = 2
|
|
y = 3
|
|
|
|
when 1
|
|
+ 1 is
|
|
2 ->
|
|
x
|
|
|
|
_ ->
|
|
y
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
x = 2
|
|
y = 3
|
|
|
|
when
|
|
1
|
|
+ 1
|
|
is
|
|
2 ->
|
|
x
|
|
|
|
_ ->
|
|
y
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_when_condition_4() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
x = 2
|
|
y = 3
|
|
|
|
when 2
|
|
+ 2
|
|
is
|
|
4 ->
|
|
x
|
|
|
|
_ ->
|
|
y
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
x = 2
|
|
y = 3
|
|
|
|
when
|
|
2
|
|
+ 2
|
|
is
|
|
4 ->
|
|
x
|
|
|
|
_ ->
|
|
y
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
// NEWLINES
|
|
|
|
#[test]
|
|
fn multiple_blank_lines_collapse_to_one() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
x = 5
|
|
|
|
|
|
|
|
y = 10
|
|
|
|
|
|
|
|
42
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
x = 5
|
|
|
|
y = 10
|
|
|
|
42
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn def_returning_closure() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f = \x -> x
|
|
g = \x -> x
|
|
|
|
\x ->
|
|
a = f x
|
|
b = f x
|
|
|
|
x
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn when_guard() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when maybeScore is
|
|
Just score if score > 21 ->
|
|
win
|
|
|
|
_ ->
|
|
nextRound
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn when_guard_using_function() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when authenticationResponse is
|
|
Ok user if hasPermission user ->
|
|
loadPage route user
|
|
|
|
Ok user ->
|
|
PageNotFound
|
|
|
|
Err _ ->
|
|
ErrorPage
|
|
"#
|
|
));
|
|
}
|
|
|
|
// ACCESSOR
|
|
|
|
#[test]
|
|
fn accessor() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
.id
|
|
"#
|
|
));
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
user.name
|
|
"#
|
|
));
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
(getUser userId users).name
|
|
"#
|
|
));
|
|
}
|
|
|
|
// PRECEDENCE CONFLICT
|
|
|
|
#[test]
|
|
fn precedence_conflict() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
if True == False == True then
|
|
False
|
|
else
|
|
True
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_precedence_conflict_1() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
if True
|
|
== False == True
|
|
then
|
|
False
|
|
else
|
|
True
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
if
|
|
True
|
|
== False
|
|
== True
|
|
then
|
|
False
|
|
else
|
|
True
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_precedence_conflict_2() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
if False
|
|
== False == False then
|
|
"true"
|
|
else
|
|
"false"
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
if
|
|
False
|
|
== False
|
|
== False
|
|
then
|
|
"true"
|
|
else
|
|
"false"
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn precedence_conflict_functions() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when f x == g y == h z is
|
|
True ->
|
|
Ok 1
|
|
|
|
False ->
|
|
Err 2
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn binop_parens() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
if 4 == (6 ^ 6 ^ 7 ^ 8) then
|
|
"Hard to believe"
|
|
else
|
|
"Naturally"
|
|
"#
|
|
));
|
|
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
if 5 == 1 ^ 1 ^ 1 ^ 1 then
|
|
"Not buying it"
|
|
else
|
|
"True"
|
|
"#
|
|
));
|
|
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
if (1 == 1)
|
|
&& (2 == 1) && (3 == 2) then
|
|
"true"
|
|
else
|
|
"false"
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
if
|
|
(1 == 1)
|
|
&& (2 == 1)
|
|
&& (3 == 2)
|
|
then
|
|
"true"
|
|
else
|
|
"false"
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn precedence_conflict_greater_than() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
3 > 4 > 10
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn precedence_conflict_greater_than_and_less_than() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
1 < 4 > 1
|
|
"#
|
|
));
|
|
}
|
|
|
|
// UNARY OP
|
|
|
|
#[test]
|
|
fn unary_op() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
y = -4
|
|
|
|
!x
|
|
"#
|
|
));
|
|
}
|
|
|
|
// BINARY OP
|
|
|
|
#[test]
|
|
fn binary_op() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
1 == 1
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn binary_op_with_spaces() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
2 != 3
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
2 != 3
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_binary_op_1() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
isLast
|
|
&& isEmpty
|
|
&& isLoaded
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_binary_op_2() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
x = 1
|
|
< 2
|
|
|
|
f x
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multi_line_binary_op_with_comments() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
1
|
|
* 2
|
|
/ 3
|
|
// 4
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
1
|
|
* 2
|
|
/ 3
|
|
// 4
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn partial_multi_line_binary_op_1() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
2 % 3
|
|
%% 5
|
|
+ 7
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
2
|
|
% 3
|
|
%% 5
|
|
+ 7
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn partial_multi_line_binary_op_2() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
isGreenLight
|
|
&& isRedLight && isYellowLight
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
isGreenLight
|
|
&& isRedLight
|
|
&& isYellowLight
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
// MODULES
|
|
|
|
#[test]
|
|
fn single_line_interface() {
|
|
module_formats_same(indoc!(
|
|
r#"
|
|
interface Foo exposes [] imports []
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multiline_interface() {
|
|
module_formats_same(indoc!(
|
|
r#"
|
|
interface Foo
|
|
exposes []
|
|
imports []
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn interface_exposing() {
|
|
module_formats_same(indoc!(
|
|
r#"
|
|
interface Foo
|
|
exposes [ Bar, Baz, a, b ]
|
|
imports []
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn interface_importing() {
|
|
module_formats_same(indoc!(
|
|
r#"
|
|
interface Foo
|
|
exposes [ Bar, Baz, a, b ]
|
|
imports [ Blah, Thing.{ foo, bar }, Stuff ]
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn single_line_app() {
|
|
module_formats_same(indoc!(
|
|
r#"
|
|
app "Foo" packages { base: "platform" } imports [] provides [ main ] to base
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn single_line_platform() {
|
|
// There are many places that there should probably be spaces, e.g.:
|
|
// requires { model=>Model, msg=>Msg } { main : Effect {} }
|
|
// ^
|
|
// putLine : Str -> Effect {},
|
|
// ^
|
|
// TODO: improve spacing
|
|
module_formats_same(
|
|
"platform folkertdev/foo \
|
|
requires { model=>Model, msg=>Msg } { main :Effect {} } \
|
|
exposes [] \
|
|
packages {} \
|
|
imports [ Task.{ Task } ] \
|
|
provides [ mainForHost ] \
|
|
effects fx.Effect \
|
|
{ \
|
|
putLine :Str -> Effect {}, \
|
|
putInt :I64 -> Effect {}, \
|
|
getInt :Effect { value : I64, errorCode : [ A, B ], isError : Bool } \
|
|
} ",
|
|
);
|
|
}
|
|
|
|
/// Annotations and aliases
|
|
|
|
#[test]
|
|
fn list_alias() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
ConsList a : [ Cons a (ConsList a), Nil ]
|
|
|
|
f : ConsList a -> ConsList a
|
|
f = \_ -> Nil
|
|
|
|
f
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn wildcard() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f : List *
|
|
f = []
|
|
|
|
a
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn identity() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f : a -> a
|
|
f = []
|
|
|
|
a
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multiline_tag_union_annotation() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
b :
|
|
[
|
|
True,
|
|
False,
|
|
]
|
|
|
|
b
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn multiline_tag_union_annotation_with_final_comment() {
|
|
expr_formats_to(
|
|
indoc!(
|
|
r#"
|
|
b :
|
|
[
|
|
True,
|
|
# comment 1
|
|
False # comment 2
|
|
,
|
|
# comment 3
|
|
]
|
|
|
|
b
|
|
"#
|
|
),
|
|
indoc!(
|
|
r#"
|
|
b :
|
|
[
|
|
True,
|
|
# comment 1
|
|
False,
|
|
# comment 2
|
|
# comment 3
|
|
]
|
|
|
|
b
|
|
"#
|
|
),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn tag_union() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f : [ True, False ] -> [ True, False ]
|
|
f = \x -> x
|
|
|
|
a
|
|
"#
|
|
));
|
|
}
|
|
|
|
// TODO: the current formatting seems a bit odd for multiline function annotations
|
|
// (beside weird indentation, note the trailing space after the "->")
|
|
// #[test]
|
|
// fn multiline_tag_union_function_annotation() {
|
|
// expr_formats_same(indoc!(
|
|
// r#"
|
|
// f :
|
|
// [
|
|
// True,
|
|
// False,
|
|
// ] ->
|
|
// [
|
|
// True,
|
|
// False,
|
|
// ]
|
|
// f = \x -> x
|
|
|
|
// a
|
|
// "#
|
|
// ));
|
|
// }
|
|
|
|
#[test]
|
|
fn recursive_tag_union() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f : [ Cons a (ConsList a), Nil ] as ConsList a -> [ Just a, Nothing ]
|
|
f = \list ->
|
|
when list is
|
|
Nil ->
|
|
Nothing
|
|
|
|
Cons first _ ->
|
|
Just first
|
|
|
|
f
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn function_application_package_type() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
main : Task.Task {} []
|
|
main = 42
|
|
|
|
main
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn record_type() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
f : { foo : Int * }
|
|
f = { foo: 1000 }
|
|
|
|
a
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn record_pattern_with_apply_guard() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when { x: 1 } is
|
|
{ x: Just 4 } ->
|
|
4
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn record_pattern_with_record_guard() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
when { x: 1 } is
|
|
{ x: { x: True } } ->
|
|
4
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn body_starts_with_spaces_multiline() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
y =
|
|
Foo
|
|
1
|
|
2
|
|
|
|
y
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn backpassing_simple() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
getChar = \ctx ->
|
|
x <- Task.await (getCharScope scope)
|
|
42
|
|
|
|
42
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn backpassing_apply_tag() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
getChar = \ctx ->
|
|
(T val newScope) <- Task.await (getCharScope scope)
|
|
42
|
|
|
|
42
|
|
"#
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn backpassing_body_on_newline() {
|
|
expr_formats_same(indoc!(
|
|
r#"
|
|
getChar = \ctx ->
|
|
x <-
|
|
Task.await (getCharScope scope)
|
|
42
|
|
|
|
42
|
|
"#
|
|
));
|
|
}
|
|
|
|
// this is a parse error atm
|
|
// #[test]
|
|
// fn multiline_apply() {
|
|
// expr_formats_same(indoc!(
|
|
// r#"
|
|
// f :
|
|
// Result a
|
|
// { x : Int *
|
|
// , y : Float
|
|
// }
|
|
// c
|
|
// -> Int *
|
|
// f =
|
|
// \_ -> 4
|
|
// "#
|
|
// ));
|
|
// }
|
|
}
|