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Side by Side Diff: ui/webui/resources/js/assert.js

Issue 2603443002: Clang format JS: Disallow single line functions, conditionals, loops, and switch statements (Closed)
Patch Set: update c/b/r/ as well Created 3 years, 12 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 /** 5 /**
6 * @fileoverview Assertion support. 6 * @fileoverview Assertion support.
7 */ 7 */
8 8
9 /** 9 /**
10 * Verify |condition| is truthy and return |condition| if so. 10 * Verify |condition| is truthy and return |condition| if so.
11 * @template T 11 * @template T
12 * @param {T} condition A condition to check for truthiness. Note that this 12 * @param {T} condition A condition to check for truthiness. Note that this
13 * may be used to test whether a value is defined or not, and we don't want 13 * may be used to test whether a value is defined or not, and we don't want
14 * to force a cast to Boolean. 14 * to force a cast to Boolean.
15 * @param {string=} opt_message A message to show on failure. 15 * @param {string=} opt_message A message to show on failure.
16 * @return {T} A non-null |condition|. 16 * @return {T} A non-null |condition|.
17 */ 17 */
18 function assert(condition, opt_message) { 18 function assert(condition, opt_message) {
19 if (!condition) { 19 if (!condition) {
20 var message = 'Assertion failed'; 20 var message = 'Assertion failed';
21 if (opt_message) 21 if (opt_message)
22 message = message + ': ' + opt_message; 22 message = message + ': ' + opt_message;
23 var error = new Error(message); 23 var error = new Error(message);
24 var global = function() { return this; }(); 24 var global = function() {
25 return this;
26 }();
25 if (global.traceAssertionsForTesting) 27 if (global.traceAssertionsForTesting)
26 console.warn(error.stack); 28 console.warn(error.stack);
27 throw error; 29 throw error;
28 } 30 }
29 return condition; 31 return condition;
30 } 32 }
31 33
32 /** 34 /**
33 * Call this from places in the code that should never be reached. 35 * Call this from places in the code that should never be reached.
34 * 36 *
(...skipping 29 matching lines...) Expand all
64 function assertInstanceof(value, type, opt_message) { 66 function assertInstanceof(value, type, opt_message) {
65 // We don't use assert immediately here so that we avoid constructing an error 67 // We don't use assert immediately here so that we avoid constructing an error
66 // message if we don't have to. 68 // message if we don't have to.
67 if (!(value instanceof type)) { 69 if (!(value instanceof type)) {
68 assertNotReached( 70 assertNotReached(
69 opt_message || 71 opt_message ||
70 'Value ' + value + ' is not a[n] ' + (type.name || typeof type)); 72 'Value ' + value + ' is not a[n] ' + (type.name || typeof type));
71 } 73 }
72 return value; 74 return value;
73 } 75 }
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