97 lines
3.0 KiB
JavaScript
97 lines
3.0 KiB
JavaScript
////////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2015 Realm Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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////////////////////////////////////////////////////////////////////////////
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'use strict';
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module.exports = {
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assertEqual: function(val1, val2, errorMessage) {
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if (val1 !== val2) {
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var message = "'" + val1 + "' does not equal expected value '" + val2 + "'";
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if (errorMessage) {
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message = errorMessage + "\n" + message;
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}
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throw new TestFailureError(message);
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}
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},
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assertNotEqual: function(val1, val2, errorMessage) {
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if (val1 === val2) {
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var message = "'" + val1 + "' equals '" + val2 + "'";
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if (errorMessage) {
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message = errorMessage + "\n" + message;
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}
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throw new TestFailureError(message);
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}
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},
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assertEqualWithTolerance: function(val1, val2, tolerance, errorMessage) {
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if (val1 < val2 - tolerance || val1 > val2 + tolerance) {
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var message = "'" + val1 + "' does not equal '" + val2 + "' with tolerance '" + tolerance + "'";
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if (errorMessage) {
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message = errorMessage + "\n" + message;
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}
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throw new TestFailureError(message);
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}
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},
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assertThrows: function(func, errorMessage) {
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var caught = false;
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try {
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func();
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}
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catch (e) {
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caught = true;
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}
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if (!caught) {
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throw new TestFailureError(errorMessage || 'Expected exception not thrown');
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};
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},
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assertTrue: function(condition, errorMessage) {
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if (!condition) {
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throw new TestFailureError(errorMessage || 'Condition expected to be true');
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};
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},
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};
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function TestFailureError(message) {
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var error;
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try {
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throw new Error(message);
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} catch (e) {
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error = e;
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}
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// This regular expression will match stack trace lines provided by JavaScriptCore.
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// Example: someMethod@file:///path/to/file.js:10:24
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var regex = /^(?:.*?@)?([^\[\(].+?):(\d+)(?::(\d+))?/;
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// Remove the top two stack frames and use information from the third, if possible.
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var stack = error.stack && error.stack.split('\n');
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var match = stack[2] && stack[2].match(regex);
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if (match) {
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this.sourceURL = match[1];
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this.line = +match[2];
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this.column = +match[3];
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this.stack = stack.slice(2).join('\n');
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}
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this.__proto__ = error;
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}
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