Add bizarro tests for _.parseInt.

This commit is contained in:
John-David Dalton
2014-07-27 17:42:32 -07:00
parent 7e326b8431
commit 9cc8f5dd07
2 changed files with 69 additions and 9 deletions

View File

@@ -55,7 +55,8 @@
fnToString = funcProto.toString,
nativeString = fnToString.call(objectProto.toString),
propertyIsEnumerable = objectProto.propertyIsEnumerable,
reToString = /toString/g;
reToString = /toString/g,
whitespace = ' \t\x0B\f\xA0\ufeff\n\r\u2028\u2029\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000';
function constant(value) {
return function() {
@@ -155,8 +156,27 @@
return Float64Array;
}());
}
setProperty(window, '_parseInt', parseInt);
setProperty(window, 'parseInt', (function(_parseInt) {
var checkStr = whitespace + '08',
isFaked = _parseInt(checkStr) != 8,
reHexPrefix = /^0[xX]/,
reTrim = RegExp('^[' + whitespace + ']+|[' + whitespace + ']+$');
return function(value, radix) {
if (value == checkStr && !isFaked) {
isFaked = true;
return 0;
}
value = String(value == null ? '' : value).replace(reTrim, '');
return _parseInt(value, +radix || (reHexPrefix.test(value) ? 16 : 10));
};
}(_parseInt)));
// fake `WinRTError`
setProperty(window, 'WinRTError', Error);
// fake free variable `global`
setProperty(window, 'exports', window);
setProperty(window, 'global', window);
setProperty(window, 'module', {});
@@ -216,6 +236,10 @@
ArrayBuffer = _ArrayBuffer;
}
setProperty(window, '_ArrayBuffer', undefined);
setProperty(window, 'parseInt', window._parseInt);
setProperty(window, '_parseInt', undefined);
setProperty(window, 'WinRTError', undefined);
setProperty(window, 'exports', undefined);

View File

@@ -422,6 +422,23 @@
return Float64Array;
}()));
}
var _parseInt = parseInt;
setProperty(root, 'parseInt', (function() {
var checkStr = whitespace + '08',
isFaked = _parseInt(checkStr) != 8,
reHexPrefix = /^0[xX]/,
reTrim = RegExp('^[' + whitespace + ']+|[' + whitespace + ']+$');
return function(value, radix) {
if (value == checkStr && !isFaked) {
isFaked = true;
return 0;
}
value = String(value == null ? '' : value).replace(reTrim, '');
return _parseInt(value, +radix || (reHexPrefix.test(value) ? 16 : 10));
};
}()));
// fake `WinRTError`
setProperty(root, 'WinRTError', Error);
@@ -447,6 +464,7 @@
setProperty(Object, 'keys', _keys);
setProperty(objectProto, 'hasOwnProperty', _hasOwnProperty);
setProperty(root, 'parseInt', _parseInt);
if (_isFinite) {
setProperty(Number, 'isFinite', _isFinite);
@@ -7923,16 +7941,34 @@
strictEqual(_.parseInt('08', 10), 8);
});
test('should parse strings with leading whitespace (test in Chrome, Firefox, and Opera)', 8, function() {
strictEqual(_.parseInt(whitespace + '10'), 10);
strictEqual(_.parseInt(whitespace + '10', 10), 10);
test('should parse strings with leading whitespace (test in Chrome, Firefox, and Opera)', 2, function() {
var expected = [8, 8, 10, 10, 32, 32, 32, 32];
strictEqual(_.parseInt(whitespace + '08'), 8);
strictEqual(_.parseInt(whitespace + '08', 10), 8);
_.times(2, function(index) {
var actual = [],
func = (index ? (lodashBizarro || {}) : _).parseInt;
_.each(['0x20', '0X20'], function(string) {
strictEqual(_.parseInt(whitespace + string), 32);
strictEqual(_.parseInt(whitespace + string, 16), 32);
if (func) {
_.times(2, function(otherIndex) {
var string = otherIndex ? '10' : '08';
actual.push(
func(whitespace + string, 10),
func(whitespace + string)
);
});
_.each(['0x20', '0X20'], function(string) {
actual.push(
func(whitespace + string),
func(whitespace + string, 16)
);
});
deepEqual(actual, expected);
}
else {
skipTest();
}
});
});