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Added some comments to the tests, since they arent that human readable

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Chad Stearns 2020-10-28 20:00:14 -04:00
parent 65f2b2377f
commit a93f18fad4
1 changed files with 20 additions and 1 deletions
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21
compiler/builtins/bitcode/src/main.zig
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@ -74,7 +74,9 @@ export fn str_split_in_place_(
list[ret_list_index] = RocStr.init(str_bytes + slice_start_index, str_len - slice_start_index); list[ret_list_index] = RocStr.init(str_bytes + slice_start_index, str_len - slice_start_index);
} }
test "str_split_in_place_ nodelimiter" { test "str_split_in_place_ no delimiter" {
// Str.split "abc" "!" == [ "abc" ]
var str: [3]u8 = "abc".*; var str: [3]u8 = "abc".*;
const str_ptr: [*]u8 = &str; const str_ptr: [*]u8 = &str;
@ -121,6 +123,8 @@ test "str_split_in_place_ nodelimiter" {
} }
test "str_split_in_place_ delimiter on sides" { test "str_split_in_place_ delimiter on sides" {
// Str.split "tttghittt" "ttt" == [ "", "ghi", "" ]
const str_len: usize = 9; const str_len: usize = 9;
var str: [str_len]u8 = "tttghittt".*; var str: [str_len]u8 = "tttghittt".*;
const str_ptr: [*]u8 = &str; const str_ptr: [*]u8 = &str;
@ -170,6 +174,8 @@ test "str_split_in_place_ delimiter on sides" {
} }
test "str_split_in_place_ three pieces" { test "str_split_in_place_ three pieces" {
// Str.split "a!b!c" "!" == [ "a", "b", "c" ]
const str_len: usize = 5; const str_len: usize = 5;
var str: [str_len]u8 = "a!b!c".*; var str: [str_len]u8 = "a!b!c".*;
const str_ptr: [*]u8 = &str; const str_ptr: [*]u8 = &str;
@ -253,6 +259,10 @@ test "str_split_in_place_ three pieces" {
expect(list[2].str_len == 1); expect(list[2].str_len == 1);
} }
// This is used for `Str.split : Str, Str -> List Str
// It is used to count how many segments the input `Str`
// needs to be broken into, so that we can allocate a list
// of that size. It always returns at least 1.
export fn count_segments_( export fn count_segments_(
str_bytes: [*]u8, str_bytes: [*]u8,
str_len: usize, str_len: usize,
@ -294,6 +304,9 @@ export fn count_segments_(
} }
test "count_segments_ long delimiter" { test "count_segments_ long delimiter" {
// Str.split "str" "delimiter" == [ "str" ]
// 1 segment
const str_len: usize = 3; const str_len: usize = 3;
var str: [str_len]u8 = "str".*; var str: [str_len]u8 = "str".*;
const str_ptr: [*]u8 = &str; const str_ptr: [*]u8 = &str;
@ -313,6 +326,9 @@ test "count_segments_ long delimiter" {
} }
test "count_segments_ delimiter at start" { test "count_segments_ delimiter at start" {
// Str.split "hello there" "hello" == [ "", " there" ]
// 2 segments
const str_len: usize = 11; const str_len: usize = 11;
var str: [str_len]u8 = "hello there".*; var str: [str_len]u8 = "hello there".*;
const str_ptr: [*]u8 = &str; const str_ptr: [*]u8 = &str;
@ -332,6 +348,9 @@ test "count_segments_ delimiter at start" {
} }
test "count_segments_ delimiter interspered" { test "count_segments_ delimiter interspered" {
// Str.split "a!b!c" "!" == [ "a", "b", "c" ]
// 3 segments
const str_len: usize = 5; const str_len: usize = 5;
var str: [str_len]u8 = "a!b!c".*; var str: [str_len]u8 = "a!b!c".*;
const str_ptr: [*]u8 = &str; const str_ptr: [*]u8 = &str;