Commit 14d6d07af2

@@ -38,7 +38,7 @@ pub fn expectError(expected_error: anyerror, actual_error_union: anytype) void {
 /// This function is intended to be used only in tests. When the two values are not
 /// equal, prints diagnostics to stderr to show exactly how they are not equal,
 /// then aborts.
-/// The types must match exactly.
+/// `actual` is casted to the type of `expected`.
 pub fn expectEqual(expected: anytype, actual: @TypeOf(expected)) void {
     switch (@typeInfo(@TypeOf(actual))) {
         .NoReturn,

@@ -145,7 +145,9 @@ fn testMissingOutputPath(zig_exe: []const u8, dir_path: []const u8) !void {
     const output_arg = try std.fmt.allocPrint(a, "-femit-bin={s}", .{output_path});
     const source_path = try fs.path.join(a, &[_][]const u8{ "src", "main.zig" });
     const result = try exec(dir_path, false, &[_][]const u8{ zig_exe, "build-exe", source_path, output_arg });
-    testing.expect(std.mem.eql(u8, result.stderr, "error: unable to open output directory 'does/not/exist': FileNotFound\n"));
+    const s = std.fs.path.sep_str;
+    const expected: []const u8 = "error: unable to open output directory 'does" ++ s ++ "not" ++ s ++ "exist': FileNotFound\n";
+    testing.expectEqualStrings(expected, result.stderr);
 }
 
 fn testZigFmt(zig_exe: []const u8, dir_path: []const u8) !void {