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Add some binop tests

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Richard Feldman 2023-03-29 17:05:12 -04:00
parent 72dc754c28
commit 80c0978ecb
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1 changed files with 21 additions and 0 deletions
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21
crates/compiler/module/src/called_via.rs
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@ -254,6 +254,12 @@ const fn generate_display_table() -> [&'static str; 20] {
mod tests {
use super::{BinOp, ASSOCIATIVITIES, DISPLAY_STRINGS, PRECEDENCES};
fn index_is_binop_u8(iter: impl Iterator<Item = BinOp>, table_name: &'static str) {
for (index, op) in iter.enumerate() {
assert_eq!(op as usize, index);
}
}
fn no_duplicates(iter: impl Iterator<Item = BinOp> + Clone, table_name: &'static str) {
for op_to_count in iter.clone() {
let mut instances = 0;
@ -269,6 +275,21 @@ mod tests {
}
}
#[test]
fn indices_are_correct_in_precedences() {
index_is_binop_u8(PRECEDENCES.iter().map(|(op, _)| *op), "PRECEDENCES")
}
#[test]
fn indices_are_correct_in_associativities() {
index_is_binop_u8(ASSOCIATIVITIES.iter().map(|(op, _)| *op), "ASSOCIATIVITIES")
}
#[test]
fn indices_are_correct_in_display_string() {
index_is_binop_u8(DISPLAY_STRINGS.iter().map(|(op, _)| *op), "DISPLAY_STRINGS")
}
#[test]
fn no_duplicates_in_precedences() {
no_duplicates(PRECEDENCES.iter().map(|(op, _)| *op), "PRECEDENCES")