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// Copyright 2008 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.debugTest');
goog.setTestOnly('goog.debugTest');
goog.require('goog.debug');
goog.require('goog.debug.errorcontext');
goog.require('goog.structs.Set');
goog.require('goog.testing.jsunit');
function testMakeWhitespaceVisible() {
assertEquals(
'Hello[_][_]World![r][n]\n' +
'[r][n]\n' +
'[f][f]I[_]am[t][t]here![r][n]\n',
goog.debug.makeWhitespaceVisible(
'Hello World!\r\n\r\n\f\fI am\t\there!\r\n'));
}
function testGetFunctionName() {
// Trivial resolver that matches just a few names: a static function, a
// constructor, and a member function.
var resolver = function(f) {
if (f === goog.debug.getFunctionName) {
return 'goog.debug.getFunctionName';
} else if (f === goog.structs.Set) {
return 'goog.structs.Set';
} else if (f === goog.structs.Set.prototype.getCount) {
return 'goog.structs.Set.getCount';
} else {
return null;
}
};
goog.debug.setFunctionResolver(resolver);
assertEquals(
'goog.debug.getFunctionName',
goog.debug.getFunctionName(goog.debug.getFunctionName));
assertEquals(
'goog.structs.Set', goog.debug.getFunctionName(goog.structs.Set));
var set = new goog.structs.Set();
assertEquals(
'goog.structs.Set.getCount', goog.debug.getFunctionName(set.getCount));
// This function is matched by the fallback heuristic.
assertEquals(
'testGetFunctionName', goog.debug.getFunctionName(testGetFunctionName));
goog.debug.setFunctionResolver(null);
}
/**
* Asserts that a substring can be found in a specified text string.
*
* @param {string} substring The substring to search for.
* @param {string} text The text string to search within.
*/
function assertContainsSubstring(substring, text) {
assertNotEquals(
'Could not find "' + substring + '" in "' + text + '"', -1,
text.search(substring));
}
function testDeepExpose() {
var a = {};
var b = {};
var c = {};
a.ancestor = a;
a.otherObject = b;
a.otherObjectAgain = b;
b.nextLevel = c;
// Add Uid to a before deepExpose.
var aUid = goog.getUid(a);
var deepExpose = goog.debug.deepExpose(a);
assertContainsSubstring(
'ancestor = ... reference loop detected .id=' + aUid + '. ...',
deepExpose);
assertContainsSubstring('otherObjectAgain = {', deepExpose);
// Make sure we've reset Uids after the deepExpose call.
assert(goog.hasUid(a));
assertFalse(goog.hasUid(b));
assertFalse(goog.hasUid(c));
}
function testEnhanceErrorWithContext() {
var err = 'abc';
var context = {firstKey: 'first', secondKey: 'another key'};
var errorWithContext = goog.debug.enhanceErrorWithContext(err, context);
assertObjectEquals(
context, goog.debug.errorcontext.getErrorContext(errorWithContext));
}
function testEnhanceErrorWithContext_combinedContext() {
var err = new Error('abc');
goog.debug.errorcontext.addErrorContext(err, 'a', '123');
var context = {b: '456', c: '789'};
var errorWithContext = goog.debug.enhanceErrorWithContext(err, context);
assertObjectEquals(
{a: '123', b: '456', c: '789'},
goog.debug.errorcontext.getErrorContext(errorWithContext));
}
function testFreeze_nonDebug() {
if (goog.DEBUG && typeof Object.freeze == 'function') return;
var a = {};
assertEquals(a, goog.debug.freeze(a));
a.foo = 42;
assertEquals(42, a.foo);
}
function testFreeze_debug() {
if (goog.DEBUG || typeof Object.freeze != 'function') return;
var a = {};
assertEquals(a, goog.debug.freeze(a));
try {
a.foo = 42;
} catch (expectedInStrictMode) {
}
assertUndefined(a.foo);
}
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