Source
pub fn expectEqualStrings(expected: []const u8, actual: []const u8) !void {
if (std.mem.indexOfDiff(u8, actual, expected)) |diff_index| {
print("\n====== expected this output: =========\n", .{});
printWithVisibleNewlines(expected);
print("\n======== instead found this: =========\n", .{});
printWithVisibleNewlines(actual);
print("\n======================================\n", .{});
var diff_line_number: usize = 1;
for (expected[0..diff_index]) |value| {
if (value == '\n') diff_line_number += 1;
}
print("First difference occurs on line {d}:\n", .{diff_line_number});
print("expected:\n", .{});
printIndicatorLine(expected, diff_index);
print("found:\n", .{});
printIndicatorLine(actual, diff_index);
return error.TestExpectedEqual;
}
}