// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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var nodeAssert = require('assert');
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var ourAssert = require('./');
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var keys = Object.keys;
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if (process.env.TEST_NATIVE === true) {
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tests(nodeAssert, 'node assert');
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} else {
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tests(ourAssert, 'our assert');
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}
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function makeBlock(f) {
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var args = Array.prototype.slice.call(arguments, 1);
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return function() {
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return f.apply(this, args);
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};
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}
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function tests (assert, what) {
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test('assert.ok', function () {
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assert.throws(makeBlock(assert, false), assert.AssertionError, 'ok(false)');
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assert.doesNotThrow(makeBlock(assert, true), assert.AssertionError, 'ok(true)');
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assert.doesNotThrow(makeBlock(assert, 'test', 'ok(\'test\')'));
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assert.throws(makeBlock(assert.ok, false),
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assert.AssertionError, 'ok(false)');
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assert.doesNotThrow(makeBlock(assert.ok, true),
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assert.AssertionError, 'ok(true)');
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assert.doesNotThrow(makeBlock(assert.ok, 'test'), 'ok(\'test\')');
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});
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test('assert.equal', function () {
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assert.throws(makeBlock(assert.equal, true, false), assert.AssertionError, 'equal');
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assert.doesNotThrow(makeBlock(assert.equal, null, null), 'equal');
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assert.doesNotThrow(makeBlock(assert.equal, undefined, undefined), 'equal');
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assert.doesNotThrow(makeBlock(assert.equal, null, undefined), 'equal');
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assert.doesNotThrow(makeBlock(assert.equal, true, true), 'equal');
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assert.doesNotThrow(makeBlock(assert.equal, 2, '2'), 'equal');
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assert.doesNotThrow(makeBlock(assert.notEqual, true, false), 'notEqual');
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assert.throws(makeBlock(assert.notEqual, true, true),
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assert.AssertionError, 'notEqual');
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});
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test('assert.strictEqual', function () {
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assert.throws(makeBlock(assert.strictEqual, 2, '2'),
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assert.AssertionError, 'strictEqual');
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assert.throws(makeBlock(assert.strictEqual, null, undefined),
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assert.AssertionError, 'strictEqual');
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assert.doesNotThrow(makeBlock(assert.notStrictEqual, 2, '2'), 'notStrictEqual');
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});
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test('assert.deepStrictEqual', function () {
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assert.throws(makeBlock(assert.deepStrictEqual, [2], ['2']),
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assert.AssertionError, 'deepStrictEqual');
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assert.throws(makeBlock(assert.deepStrictEqual, [null], [undefined]),
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assert.AssertionError, 'deepStrictEqual');
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assert.doesNotThrow(makeBlock(assert.notDeepStrictEqual, [2], ['2']), 'notDeepStrictEqual');
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});
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test('assert.deepEqual - 7.2', function () {
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assert.doesNotThrow(makeBlock(assert.deepEqual, new Date(2000, 3, 14),
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new Date(2000, 3, 14)), 'deepEqual date');
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assert.throws(makeBlock(assert.deepEqual, new Date(), new Date(2000, 3, 14)),
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assert.AssertionError,
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'deepEqual date');
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});
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test('assert.deepEqual - 7.3', function () {
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assert.doesNotThrow(makeBlock(assert.deepEqual, /a/, /a/));
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assert.doesNotThrow(makeBlock(assert.deepEqual, /a/g, /a/g));
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assert.doesNotThrow(makeBlock(assert.deepEqual, /a/i, /a/i));
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assert.doesNotThrow(makeBlock(assert.deepEqual, /a/m, /a/m));
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assert.doesNotThrow(makeBlock(assert.deepEqual, /a/igm, /a/igm));
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assert.throws(makeBlock(assert.deepEqual, /ab/, /a/));
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assert.throws(makeBlock(assert.deepEqual, /a/g, /a/));
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assert.throws(makeBlock(assert.deepEqual, /a/i, /a/));
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assert.throws(makeBlock(assert.deepEqual, /a/m, /a/));
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assert.throws(makeBlock(assert.deepEqual, /a/igm, /a/im));
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var re1 = /a/;
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re1.lastIndex = 3;
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assert.throws(makeBlock(assert.deepEqual, re1, /a/));
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});
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test('assert.deepEqual - 7.4', function () {
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assert.doesNotThrow(makeBlock(assert.deepEqual, 4, '4'), 'deepEqual == check');
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assert.doesNotThrow(makeBlock(assert.deepEqual, true, 1), 'deepEqual == check');
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assert.throws(makeBlock(assert.deepEqual, 4, '5'),
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assert.AssertionError,
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'deepEqual == check');
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});
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test('assert.deepEqual - 7.5', function () {
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// having the same number of owned properties && the same set of keys
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assert.doesNotThrow(makeBlock(assert.deepEqual, {a: 4}, {a: 4}));
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assert.doesNotThrow(makeBlock(assert.deepEqual, {a: 4, b: '2'}, {a: 4, b: '2'}));
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assert.doesNotThrow(makeBlock(assert.deepEqual, [4], ['4']));
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assert.throws(makeBlock(assert.deepEqual, {a: 4}, {a: 4, b: true}),
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assert.AssertionError);
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assert.doesNotThrow(makeBlock(assert.deepEqual, ['a'], {0: 'a'}));
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//(although not necessarily the same order),
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assert.doesNotThrow(makeBlock(assert.deepEqual, {a: 4, b: '1'}, {b: '1', a: 4}));
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var a1 = [1, 2, 3];
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var a2 = [1, 2, 3];
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a1.a = 'test';
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a1.b = true;
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a2.b = true;
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a2.a = 'test';
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assert.throws(makeBlock(assert.deepEqual, keys(a1), keys(a2)),
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assert.AssertionError);
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assert.doesNotThrow(makeBlock(assert.deepEqual, a1, a2));
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});
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test('assert.deepEqual - ES6 primitives', function () {
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assert.throws(makeBlock(assert.deepEqual, null, {}), assert.AssertionError);
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assert.throws(makeBlock(assert.deepEqual, undefined, {}), assert.AssertionError);
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assert.throws(makeBlock(assert.deepEqual, 'a', ['a']), assert.AssertionError);
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assert.throws(makeBlock(assert.deepEqual, 'a', {0: 'a'}), assert.AssertionError);
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assert.throws(makeBlock(assert.deepEqual, 1, {}), assert.AssertionError);
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assert.throws(makeBlock(assert.deepEqual, true, {}), assert.AssertionError);
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if (typeof Symbol === 'symbol') {
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assert.throws(makeBlock(assert.deepEqual, Symbol(), {}), assert.AssertionError);
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}
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});
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test('assert.deepEqual - object wrappers', function () {
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assert.doesNotThrow(makeBlock(assert.deepEqual, new String('a'), ['a']));
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assert.doesNotThrow(makeBlock(assert.deepEqual, new String('a'), {0: 'a'}));
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assert.doesNotThrow(makeBlock(assert.deepEqual, new Number(1), {}));
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assert.doesNotThrow(makeBlock(assert.deepEqual, new Boolean(true), {}));
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});
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test('assert.deepEqual - Buffers', function () {
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assert.doesNotThrow(makeBlock(assert.deepEqual, new Buffer([1, 2, 3]), new Buffer([1, 2, 3])));
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if (typeof global.Uint8Array === 'function') {
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assert.throws(makeBlock(assert.deepEqual, new Buffer([1, 2, 3]), new Uint8Array([1, 2, 3])));
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}
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if (typeof global.Uint16Array === 'function') {
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assert.doesNotThrow(makeBlock(assert.deepEqual, new Uint16Array([1, 2, 3]), new Uint16Array([1, 2, 3])));
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}
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});
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function thrower(errorConstructor) {
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throw new errorConstructor('test');
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}
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test('assert - testing the throwing', function () {
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var aethrow = makeBlock(thrower, assert.AssertionError);
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aethrow = makeBlock(thrower, assert.AssertionError);
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// the basic calls work
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assert.throws(makeBlock(thrower, assert.AssertionError),
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assert.AssertionError, 'message');
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assert.throws(makeBlock(thrower, assert.AssertionError), assert.AssertionError);
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assert.throws(makeBlock(thrower, assert.AssertionError));
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// if not passing an error, catch all.
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assert.throws(makeBlock(thrower, TypeError));
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// when passing a type, only catch errors of the appropriate type
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var threw = false;
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try {
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assert.throws(makeBlock(thrower, TypeError), assert.AssertionError);
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} catch (e) {
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threw = true;
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assert.ok(e instanceof TypeError, 'type');
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}
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assert.equal(true, threw,
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'a.throws with an explicit error is eating extra errors',
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assert.AssertionError);
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threw = false;
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// doesNotThrow should pass through all errors
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try {
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assert.doesNotThrow(makeBlock(thrower, TypeError), assert.AssertionError);
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} catch (e) {
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threw = true;
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assert.ok(e instanceof TypeError);
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}
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assert.equal(true, threw,
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'a.doesNotThrow with an explicit error is eating extra errors');
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// key difference is that throwing our correct error makes an assertion error
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try {
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assert.doesNotThrow(makeBlock(thrower, TypeError), TypeError);
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} catch (e) {
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threw = true;
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assert.ok(e instanceof assert.AssertionError);
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}
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assert.equal(true, threw,
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'a.doesNotThrow is not catching type matching errors');
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});
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test('assert.ifError', function () {
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assert.throws(function() {assert.ifError(new Error('test error'))});
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assert.doesNotThrow(function() {assert.ifError(null)});
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assert.doesNotThrow(function() {assert.ifError()});
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});
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test('assert - make sure that validating using constructor really works', function () {
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var threw = false;
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try {
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assert.throws(
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function() {
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throw ({});
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},
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Array
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);
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} catch (e) {
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threw = true;
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}
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assert.ok(threw, 'wrong constructor validation');
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});
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test('assert - use a RegExp to validate error message', function () {
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assert.throws(makeBlock(thrower, TypeError), /test/);
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});
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test('assert - use a fn to validate error object', function () {
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assert.throws(makeBlock(thrower, TypeError), function(err) {
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if ((err instanceof TypeError) && /test/.test(err)) {
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return true;
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}
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});
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});
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test('assert - make sure deepEqual doesn\'t loop forever on circular refs', function () {
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var b = {};
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b.b = b;
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var c = {};
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c.b = c;
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var gotError = false;
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var equal = true;
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try {
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equal = assert.deepEqual(b, c);
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} catch (e) {
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gotError = true;
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}
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assert.ok(gotError || !equal, gotError ? 'got error': 'are equal');
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});
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test('assert - ensure reflexivity of deepEqual with `arguments` objects', function() {
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var args = (function() { return arguments; })();
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assert.throws(makeBlock(assert.deepEqual, [], args), assert.AssertionError);
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assert.throws(makeBlock(assert.deepEqual, args, []), assert.AssertionError);
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});
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test('assert - test assertion message', function () {
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function testAssertionMessage(actual, expected) {
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try {
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assert.equal(actual, '');
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} catch (e) {
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assert.equal(e.toString(),
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['AssertionError:', expected, '==', '\'\''].join(' '));
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}
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}
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testAssertionMessage(undefined, 'undefined');
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testAssertionMessage(null, 'null');
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testAssertionMessage(true, 'true');
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testAssertionMessage(false, 'false');
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testAssertionMessage(0, '0');
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testAssertionMessage(100, '100');
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testAssertionMessage(NaN, 'NaN');
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testAssertionMessage(Infinity, 'Infinity');
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testAssertionMessage(-Infinity, '-Infinity');
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testAssertionMessage('', '""');
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testAssertionMessage('foo', '\'foo\'');
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testAssertionMessage([], '[]');
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testAssertionMessage([1, 2, 3], '[ 1, 2, 3 ]');
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testAssertionMessage(new Buffer([1, 2, 3]), '<Buffer 01 02 03>');
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if (typeof global.Uint8Array === 'function' && Object.getOwnPropertyNames( new Uint8Array([])).length === 0) {
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// todo fix util.inspect
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testAssertionMessage(new Uint8Array([1, 2, 3]), '{ \'0\': 1, \'1\': 2, \'2\': 3 }');
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}
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testAssertionMessage(/a/, '/a/');
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testAssertionMessage(function f() {}, '[Function: f]');
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testAssertionMessage({}, '{}');
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testAssertionMessage({a: undefined, b: null}, '{ a: undefined, b: null }');
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testAssertionMessage({a: NaN, b: Infinity, c: -Infinity},
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'{ a: NaN, b: Infinity, c: -Infinity }');
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});
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test('assert - regressions from node.js testcase', function () {
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var threw = false;
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try {
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assert.throws(function () {
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assert.ifError(null);
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});
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} catch (e) {
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threw = true;
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assert.equal(e.message, 'Missing expected exception..');
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}
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assert.ok(threw);
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try {
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assert.equal(1, 2);
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} catch (e) {
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assert.equal(e.toString().split('\n')[0], 'AssertionError: 1 == 2');
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}
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try {
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assert.equal(1, 2, 'oh no');
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} catch (e) {
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assert.equal(e.toString().split('\n')[0], 'AssertionError: oh no');
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}
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});
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test('assert - strict mode', function () {
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var assertStrict = assert.strict;
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assertStrict.throws(makeBlock(assertStrict.equal, 1, true), assertStrict.AssertionError);
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assertStrict.notEqual(0, false);
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assertStrict.throws(makeBlock(assertStrict.deepEqual, 1, true), assertStrict.AssertionError);
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assertStrict.notDeepEqual(0, false);
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assertStrict.equal(assertStrict.strict, assertStrict.strict.strict);
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assertStrict.equal(assertStrict.equal, assertStrict.strictEqual);
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assertStrict.equal(assertStrict.deepEqual, assertStrict.deepStrictEqual);
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assertStrict.equal(assertStrict.notEqual, assertStrict.notStrictEqual);
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assertStrict.equal(assertStrict.notDeepEqual, assertStrict.notDeepStrictEqual);
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assertStrict.equal(Object.keys(assertStrict).length, Object.keys(assert).length);
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});
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}
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