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testing.expectFmt() - reuse expectEqualStrings()

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Travis Staloch 2024-02-26 19:08:27 -08:00 committed by Andrew Kelley
parent bd0dbb0a13
commit 30bf8d7147
1 changed files with 5 additions and 11 deletions
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16
lib/std/testing.zig
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@ -210,18 +210,12 @@ test "expectEqual.union(enum)" {
/// This function is intended to be used only in tests. When the formatted result of the template
/// and its arguments does not equal the expected text, it prints diagnostics to stderr to show how
/// they are not equal, then returns an error.
/// they are not equal, then returns an error. It depends on `expectEqualStrings()` for printing
/// diagnostics.
pub fn expectFmt(expected: []const u8, comptime template: []const u8, args: anytype) !void {
const result = try std.fmt.allocPrint(allocator, template, args);
defer allocator.free(result);
if (std.mem.eql(u8, result, expected)) return;
print("\n====== expected this output: =========\n", .{});
print("{s}", .{expected});
print("\n======== instead found this: =========\n", .{});
print("{s}", .{result});
print("\n======================================\n", .{});
return error.TestExpectedFmt;
const actual = try std.fmt.allocPrint(allocator, template, args);
defer allocator.free(actual);
return expectEqualStrings(expected, actual);
}
/// This function is intended to be used only in tests. When the actual value is