mirror of
https://github.com/ziglang/zig.git
synced 2026-01-01 02:53:23 +00:00
9e88356282
This is for consistency with the documentation on sentinel-terminated
{arrays,slices,pointers} which already use `N` for a comptime-inferred
size rather than `X`.
Also adds a behavioral test to assert that a string literal is returned.
43 lines
1.8 KiB
Zig
43 lines
1.8 KiB
Zig
const std = @import("std");
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const TestEnum = enum { TestEnumValue };
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const tag_name = @tagName(TestEnum.TestEnumValue);
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const ptr_tag_name: [*:0]const u8 = tag_name;
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test "@tagName() returns a string literal" {
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try std.testing.expectEqual([:0]const u8, @TypeOf(tag_name));
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try std.testing.expectEqualStrings("TestEnumValue", tag_name);
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try std.testing.expectEqualStrings("TestEnumValue", ptr_tag_name[0..tag_name.len]);
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}
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const TestError = error{TestErrorCode};
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const error_name = @errorName(TestError.TestErrorCode);
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const ptr_error_name: [*:0]const u8 = error_name;
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test "@errorName() returns a string literal" {
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try std.testing.expectEqual([:0]const u8, @TypeOf(error_name));
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try std.testing.expectEqualStrings("TestErrorCode", error_name);
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try std.testing.expectEqualStrings("TestErrorCode", ptr_error_name[0..error_name.len]);
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}
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const TestType = struct {};
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const type_name = @typeName(TestType);
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const ptr_type_name: [*:0]const u8 = type_name;
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test "@typeName() returns a string literal" {
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try std.testing.expectEqual(*const [type_name.len:0]u8, @TypeOf(type_name));
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try std.testing.expectEqualStrings("TestType", type_name);
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try std.testing.expectEqualStrings("TestType", ptr_type_name[0..type_name.len]);
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}
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const actual_contents = @embedFile("3779_file_to_embed.txt");
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const ptr_actual_contents: [*:0]const u8 = actual_contents;
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const expected_contents = "hello zig\n";
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test "@embedFile() returns a string literal" {
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try std.testing.expectEqual(*const [expected_contents.len:0]u8, @TypeOf(actual_contents));
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try std.testing.expect(std.mem.eql(u8, expected_contents, actual_contents));
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try std.testing.expectEqualStrings(expected_contents, actual_contents);
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try std.testing.expectEqualStrings(expected_contents, ptr_actual_contents[0..actual_contents.len]);
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}
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