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behavior: add test coverage for slice and array-related issues

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Closes #10684
Closes #6905
Closes #8646
This commit is contained in:
r00ster91 2022-12-07 20:57:00 +01:00
parent 7a8f7dcb8c
commit bf863878ac
4 changed files with 63 additions and 0 deletions
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3
test/behavior.zig
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@ -65,14 +65,17 @@ test {
_ = @import("behavior/bugs/6456.zig");
_ = @import("behavior/bugs/6781.zig");
_ = @import("behavior/bugs/6850.zig");
_ = @import("behavior/bugs/6905.zig");
_ = @import("behavior/bugs/7003.zig");
_ = @import("behavior/bugs/7047.zig");
_ = @import("behavior/bugs/7187.zig");
_ = @import("behavior/bugs/7325.zig");
_ = @import("behavior/bugs/8646.zig");
_ = @import("behavior/bugs/9584.zig");
_ = @import("behavior/bugs/10138.zig");
_ = @import("behavior/bugs/10147.zig");
_ = @import("behavior/bugs/10970.zig");
_ = @import("behavior/bugs/10684.zig");
_ = @import("behavior/bugs/11046.zig");
_ = @import("behavior/bugs/11100.zig");
_ = @import("behavior/bugs/11139.zig");

19
test/behavior/bugs/10684.zig Normal file
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@ -0,0 +1,19 @@
const std = @import("std");
const builtin = @import("builtin");
const expectEqualStrings = std.testing.expectEqualStrings;
test "slicing slices" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
const foo = "1234";
const bar = foo[0..4];
try expectEqualStrings("1234", bar);
try expectEqualStrings("2", bar[1..2]);
try expectEqualStrings("3", bar[2..3]);
try expectEqualStrings("4", bar[3..4]);
try expectEqualStrings("34", bar[2..4]);
}

23
test/behavior/bugs/6905.zig Normal file
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@ -0,0 +1,23 @@
const expect = @import("std").testing.expect;
const builtin = @import("builtin");
test "sentinel-terminated 0-length slices" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
var u32s: [4]u32 = [_]u32{ 0, 1, 2, 3 };
var index: u8 = 2;
var slice = u32s[index..index :2];
var array_ptr = u32s[2..2 :2];
const comptime_known_array_value = u32s[2..2 :2].*;
var runtime_array_value = u32s[2..2 :2].*;
try expect(slice[0] == 2);
try expect(array_ptr[0] == 2);
try expect(comptime_known_array_value[0] == 2);
try expect(runtime_array_value[0] == 2);
}

18
test/behavior/bugs/8646.zig Normal file
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@ -0,0 +1,18 @@
const std = @import("std");
const builtin = @import("builtin");
const array = [_][]const []const u8{
&.{"hello"},
&.{ "world", "hello" },
};
test {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
try std.testing.expect(array[0].len == 1);
try std.testing.expectEqualStrings("hello", array[0][0]);
}