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var common = require('../common');
var assert = require('assert');
var a = require('assert');
function makeBlock(f) {
var args = Array.prototype.slice.call(arguments, 1);
return function() {
return f.apply(this, args);
};
}
assert.ok(common.indirectInstanceOf(a.AssertionError.prototype, Error),
'a.AssertionError instanceof Error');
assert.throws(makeBlock(a.ok, false),
a.AssertionError, 'ok(false)');
assert.doesNotThrow(makeBlock(a.ok, true),
a.AssertionError, 'ok(true)');
assert.doesNotThrow(makeBlock(a.ok, 'test'), 'ok(\'test\')');
assert.throws(makeBlock(a.equal, true, false), a.AssertionError, 'equal');
assert.doesNotThrow(makeBlock(a.equal, null, null), 'equal');
assert.doesNotThrow(makeBlock(a.equal, undefined, undefined), 'equal');
assert.doesNotThrow(makeBlock(a.equal, null, undefined), 'equal');
assert.doesNotThrow(makeBlock(a.equal, true, true), 'equal');
assert.doesNotThrow(makeBlock(a.equal, 2, '2'), 'equal');
assert.doesNotThrow(makeBlock(a.notEqual, true, false), 'notEqual');
assert.throws(makeBlock(a.notEqual, true, true),
a.AssertionError, 'notEqual');
assert.throws(makeBlock(a.strictEqual, 2, '2'),
a.AssertionError, 'strictEqual');
assert.throws(makeBlock(a.strictEqual, null, undefined),
a.AssertionError, 'strictEqual');
assert.doesNotThrow(makeBlock(a.notStrictEqual, 2, '2'), 'notStrictEqual');
// deepEquals joy!
// 7.2
assert.doesNotThrow(makeBlock(a.deepEqual, new Date(2000, 3, 14),
new Date(2000, 3, 14)), 'deepEqual date');
assert.throws(makeBlock(a.deepEqual, new Date(), new Date(2000, 3, 14)),
a.AssertionError,
'deepEqual date');
// 7.3
assert.doesNotThrow(makeBlock(a.deepEqual, 4, '4'), 'deepEqual == check');
assert.doesNotThrow(makeBlock(a.deepEqual, true, 1), 'deepEqual == check');
assert.throws(makeBlock(a.deepEqual, 4, '5'),
a.AssertionError,
'deepEqual == check');
// 7.4
// having the same number of owned properties && the same set of keys
assert.doesNotThrow(makeBlock(a.deepEqual, {a: 4}, {a: 4}));
assert.doesNotThrow(makeBlock(a.deepEqual, {a: 4, b: '2'}, {a: 4, b: '2'}));
assert.doesNotThrow(makeBlock(a.deepEqual, [4], ['4']));
assert.throws(makeBlock(a.deepEqual, {a: 4}, {a: 4, b: true}),
a.AssertionError);
assert.doesNotThrow(makeBlock(a.deepEqual, ['a'], {0: 'a'}));
//(although not necessarily the same order),
assert.doesNotThrow(makeBlock(a.deepEqual, {a: 4, b: '1'}, {b: '1', a: 4}));
var a1 = [1, 2, 3];
var a2 = [1, 2, 3];
a1.a = 'test';
a1.b = true;
a2.b = true;
a2.a = 'test';
assert.throws(makeBlock(a.deepEqual, Object.keys(a1), Object.keys(a2)),
a.AssertionError);
assert.doesNotThrow(makeBlock(a.deepEqual, a1, a2));
// having an identical prototype property
var nbRoot = {
toString: function() { return this.first + ' ' + this.last; }
};
function nameBuilder(first, last) {
this.first = first;
this.last = last;
return this;
}
nameBuilder.prototype = nbRoot;
function nameBuilder2(first, last) {
this.first = first;
this.last = last;
return this;
}
nameBuilder2.prototype = nbRoot;
var nb1 = new nameBuilder('Ryan', 'Dahl');
var nb2 = new nameBuilder2('Ryan', 'Dahl');
assert.doesNotThrow(makeBlock(a.deepEqual, nb1, nb2));
nameBuilder2.prototype = Object;
nb2 = new nameBuilder2('Ryan', 'Dahl');
assert.throws(makeBlock(a.deepEqual, nb1, nb2), a.AssertionError);
// String literal + object blew up my implementation...
assert.throws(makeBlock(a.deepEqual, 'a', {}), a.AssertionError);
// Testing the throwing
function thrower(errorConstructor) {
throw new errorConstructor('test');
}
var aethrow = makeBlock(thrower, a.AssertionError);
aethrow = makeBlock(thrower, a.AssertionError);
// the basic calls work
assert.throws(makeBlock(thrower, a.AssertionError),
a.AssertionError, 'message');
assert.throws(makeBlock(thrower, a.AssertionError), a.AssertionError);
assert.throws(makeBlock(thrower, a.AssertionError));
// if not passing an error, catch all.
assert.throws(makeBlock(thrower, TypeError));
// when passing a type, only catch errors of the appropriate type
var threw = false;
try {
a.throws(makeBlock(thrower, TypeError), a.AssertionError);
} catch (e) {
threw = true;
assert.ok(e instanceof TypeError, 'type');
}
assert.equal(true, threw,
'a.throws with an explicit error is eating extra errors',
a.AssertionError);
threw = false;
// doesNotThrow should pass through all errors
try {
a.doesNotThrow(makeBlock(thrower, TypeError), a.AssertionError);
} catch (e) {
threw = true;
assert.ok(e instanceof TypeError);
}
assert.equal(true, threw,
'a.doesNotThrow with an explicit error is eating extra errors');
// key difference is that throwing our correct error makes an assertion error
try {
a.doesNotThrow(makeBlock(thrower, TypeError), TypeError);
} catch (e) {
threw = true;
assert.ok(e instanceof a.AssertionError);
}
assert.equal(true, threw,
'a.doesNotThrow is not catching type matching errors');
assert.throws(function() {assert.ifError(new Error('test error'))});
assert.doesNotThrow(function() {assert.ifError(null)});
assert.doesNotThrow(function() {assert.ifError()});
// make sure that validating using constructor really works
threw = false;
try {
assert.throws(
function() {
throw {};
},
Array
);
} catch(e) {
threw = true;
}
assert.ok(threw, "wrong constructor validation");
// use a RegExp to validate error message
a.throws(makeBlock(thrower, TypeError), /test/);
// use a fn to validate error object
a.throws(makeBlock(thrower, TypeError), function(err) {
if ( (err instanceof TypeError) && /test/.test(err)) {
return true;
}
});