Added guts to pull call signatures when assertions & expectations fail.

chrome/test/data/webui/assertions.js

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function WebUIAssertionsTest() {}
+
+WebUIAssertionsTest.prototype = {
+  __proto__: testing.Test.prototype,
+  browsePreload: 'chrome://DummyURL',
+  typedefCppFixture: null,
+};
+
+GEN('#include "chrome/test/data//webui/assertions-inl.h"');
+
+function testTwoExpects() {
+  expectTrue(false);
+  expectTrue(0);
+}
+
+TEST_F('WebUIAssertionsTest', 'testTwoExpects', function() {
+  var result = runTest(testTwoExpects, []);
+
+  expectFalse(result[0]);
+  expectTrue(!!result[1].match(/expectTrue\(false\): false/));
+  expectTrue(!!result[1].match(/expectTrue\(0\): 0/));
+});
+
+function twoExpects() {
+  expectTrue(false, 'message1');
+  expectTrue(false, 'message2');
+}
+
+function testCallTestTwice() {
+  twoExpects();
+  twoExpects();
+}
+
+TEST_F('WebUIAssertionsTest', 'testCallTestTwice', function() {
+  var result = runTest(testCallTestTwice, []);
+  expectFalse(result[0]);
+  expectEquals(2, result[1].match(
+      /expectTrue\(false, 'message1'\): message1: false/g).length);
+  expectEquals(2, result[1].match(
+      /expectTrue\(false, 'message2'\): message2: false/g).length);
+});
+
+function testConstructMessage() {
+  var message = 1 + ' ' + 2;
+  assertTrue(false, message);
+}
+
+TEST_F('WebUIAssertionsTest', 'testConstructedMessage', function() {
+  var result = runTest(testConstructMessage, []);
+  expectEquals(
+      1, result[1].match(/assertTrue\(false, message\): 1 2: false/g).length);
+});