zig

commit bf863878acb6ac65ef10064b8ffd457ef756eba8 (tree)
parent 7a8f7dcb8c25d4c78ac8f1190ab8e163ff1cb80d
Author: r00ster91 <r00ster91@proton.me>
Date:   Wed,  7 Dec 2022 20:57:00 +0100

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

Closes #10684
Closes #6905
Closes #8646

Diffstat:
M
test/behavior.zig
 | 
3
+++
A
test/behavior/bugs/10684.zig
 | 
19
+++++++++++++++++++
A
test/behavior/bugs/6905.zig
 | 
23
+++++++++++++++++++++++
A
test/behavior/bugs/8646.zig
 | 
18
++++++++++++++++++

4 files changed, 63 insertions(+), 0 deletions(-)
diff --git a/test/behavior.zig b/test/behavior.zig
@@ -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");
diff --git a/test/behavior/bugs/10684.zig b/test/behavior/bugs/10684.zig
@@ -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]);
+}
diff --git a/test/behavior/bugs/6905.zig b/test/behavior/bugs/6905.zig
@@ -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);
+}
diff --git a/test/behavior/bugs/8646.zig b/test/behavior/bugs/8646.zig
@@ -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]);
+}