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<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.asserts.assert</title>
<script src="../base.js"></script>
<script>
goog.require('goog.asserts');
goog.require('goog.string');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
function doTestMessage(failFunc, expectedMsg) {
var error = assertThrows('failFunc should throw.', failFunc);
// Test error message.
// Opera 10 adds cruft to the end of the message, so do a startsWith check.
assertTrue('Message check failed. Expected: ' + expectedMsg + ' Actual: ' +
error.message, goog.string.startsWith(error.message, expectedMsg));
}
function testAssert() {
// None of them may throw exception
goog.asserts.assert(true);
goog.asserts.assert(1);
goog.asserts.assert([]);
goog.asserts.assert({});
assertThrows('assert(false)', goog.partial(goog.asserts.assert, false));
assertThrows('assert(0)', goog.partial(goog.asserts.assert, 0));
assertThrows('assert(null)', goog.partial(goog.asserts.assert, null));
assertThrows('assert(undefined)',
goog.partial(goog.asserts.assert, undefined));
// Test error messages.
doTestMessage(goog.partial(goog.asserts.assert, false), 'Assertion failed');
doTestMessage(goog.partial(goog.asserts.assert, false, 'ouch %s', 1),
'Assertion failed: ouch 1');
}
function testFail() {
assertThrows('fail()', goog.asserts.fail);
// Test error messages.
doTestMessage(goog.partial(goog.asserts.fail, false), 'Failure');
doTestMessage(goog.partial(goog.asserts.fail, 'ouch %s', 1),
'Failure: ouch 1');
}
function testNumber() {
goog.asserts.assertNumber(1);
assertThrows('assertNumber(null)',
goog.partial(goog.asserts.assertNumber, null));
// Test error messages.
doTestMessage(goog.partial(goog.asserts.assertNumber, null),
'Assertion failed: Expected number but got null: null.');
doTestMessage(goog.partial(goog.asserts.assertNumber, '1234'),
'Assertion failed: Expected number but got string: 1234.');
doTestMessage(goog.partial(goog.asserts.assertNumber, null, 'ouch %s', 1),
'Assertion failed: ouch 1');
}
function testString() {
assertEquals('1', goog.asserts.assertString('1'));
assertThrows('assertString(null)',
goog.partial(goog.asserts.assertString, null));
// Test error messages.
doTestMessage(goog.partial(goog.asserts.assertString, null),
'Assertion failed: Expected string but got null: null.');
doTestMessage(goog.partial(goog.asserts.assertString, 1234),
'Assertion failed: Expected string but got number: 1234.');
doTestMessage(goog.partial(goog.asserts.assertString, null, 'ouch %s', 1),
'Assertion failed: ouch 1');
}
function testFunction() {
function f() {};
assertEquals(f, goog.asserts.assertFunction(f));
assertThrows('assertFunction(null)',
goog.partial(goog.asserts.assertFunction, null));
// Test error messages.
doTestMessage(goog.partial(goog.asserts.assertFunction, null),
'Assertion failed: Expected function but got null: null.');
doTestMessage(goog.partial(goog.asserts.assertFunction, 1234),
'Assertion failed: Expected function but got number: 1234.');
doTestMessage(goog.partial(goog.asserts.assertFunction, null, 'ouch %s', 1),
'Assertion failed: ouch 1');
}
function testObject() {
var o = {};
assertEquals(o, goog.asserts.assertObject(o));
assertThrows('assertObject(null)',
goog.partial(goog.asserts.assertObject, null));
// Test error messages.
doTestMessage(goog.partial(goog.asserts.assertObject, null),
'Assertion failed: Expected object but got null: null.');
doTestMessage(goog.partial(goog.asserts.assertObject, 1234),
'Assertion failed: Expected object but got number: 1234.');
doTestMessage(goog.partial(goog.asserts.assertObject, null, 'ouch %s', 1),
'Assertion failed: ouch 1');
}
function testArray() {
var a = []
assertEquals(a, goog.asserts.assertArray(a));
assertThrows('assertArray({})',
goog.partial(goog.asserts.assertArray, {}));
// Test error messages.
doTestMessage(goog.partial(goog.asserts.assertArray, null),
'Assertion failed: Expected array but got null: null.');
doTestMessage(goog.partial(goog.asserts.assertArray, 1234),
'Assertion failed: Expected array but got number: 1234.');
doTestMessage(goog.partial(goog.asserts.assertArray, null, 'ouch %s', 1),
'Assertion failed: ouch 1');
}
function testBoolean() {
assertEquals(true, goog.asserts.assertBoolean(true));
assertEquals(false, goog.asserts.assertBoolean(false));
assertThrows(goog.partial(goog.asserts.assertBoolean, null));
assertThrows(goog.partial(goog.asserts.assertBoolean, 'foo'));
// Test error messages.
doTestMessage(goog.partial(goog.asserts.assertBoolean, null),
'Assertion failed: Expected boolean but got null: null.');
doTestMessage(goog.partial(goog.asserts.assertBoolean, 1234),
'Assertion failed: Expected boolean but got number: 1234.');
doTestMessage(goog.partial(goog.asserts.assertBoolean, null, 'ouch %s', 1),
'Assertion failed: ouch 1');
}
function testInstanceof() {
/** @constructor */
var F = function() {};
goog.asserts.assertInstanceof(new F(), F);
assertThrows('assertInstanceof({}, F)',
goog.partial(goog.asserts.assertInstanceof, {}, F));
// Test error messages.
doTestMessage(goog.partial(goog.asserts.assertInstanceof, {}, F),
'Assertion failed: instanceof check failed.');
doTestMessage(goog.partial(goog.asserts.assertInstanceof, {}, F, 'a %s', 1),
'Assertion failed: a 1');
}
function testAssertionError() {
var error = new goog.asserts.AssertionError('foo %s %s', [1, 'two']);
assertEquals('Wrong message', 'foo 1 two', error.message);
assertEquals('Wrong messagePattern', 'foo %s %s', error.messagePattern);
}
</script>
</body>
</html>
|
