var BUGNUMBER = 918879; var summary = 'String.fromCodePoint'; print(BUGNUMBER + ": " + summary); // Tests taken from: // https://github.com/mathiasbynens/String.fromCodePoint/blob/master/tests/tests.js assertEq(String.fromCodePoint.length, 1); assertEq(String.fromCodePoint.name, 'fromCodePoint'); assertEq(String.propertyIsEnumerable('fromCodePoint'), false); assertEq(String.fromCodePoint(''), '\0'); assertEq(String.fromCodePoint(), ''); assertEq(String.fromCodePoint(-0), '\0'); assertEq(String.fromCodePoint(0), '\0'); assertEq(String.fromCodePoint(0x1D306), '\uD834\uDF06'); assertEq(String.fromCodePoint(0x1D306, 0x61, 0x1D307), '\uD834\uDF06a\uD834\uDF07'); assertEq(String.fromCodePoint(0x61, 0x62, 0x1D307), 'ab\uD834\uDF07'); assertEq(String.fromCodePoint(false), '\0'); assertEq(String.fromCodePoint(null), '\0'); assertThrowsInstanceOf(function() { String.fromCodePoint('_'); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint('+Infinity'); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint('-Infinity'); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint(-1); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint(0x10FFFF + 1); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint(3.14); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint(3e-2); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint(Infinity); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint(NaN); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint(undefined); }, RangeError); assertThrowsInstanceOf(function() { String.fromCodePoint({}); }, RangeError); var counter = Math.pow(2, 15) * 3 / 2; var result = []; while (--counter >= 0) { result.push(0); // one code unit per symbol } String.fromCodePoint.apply(null, result); // must not throw var counter = Math.pow(2, 15) * 3 / 2; var result = []; while (--counter >= 0) { result.push(0xFFFF + 1); // two code units per symbol } String.fromCodePoint.apply(null, result); // must not throw // str_fromCodePoint_one_arg (single argument, creates an inline string) assertEq(String.fromCodePoint(0x31), '1'); // str_fromCodePoint_few_args (few arguments, creates an inline string) // JSFatInlineString::MAX_LENGTH_TWO_BYTE / 2 = floor(11 / 2) = 5 assertEq(String.fromCodePoint(0x31, 0x32), '12'); assertEq(String.fromCodePoint(0x31, 0x32, 0x33), '123'); assertEq(String.fromCodePoint(0x31, 0x32, 0x33, 0x34), '1234'); assertEq(String.fromCodePoint(0x31, 0x32, 0x33, 0x34, 0x35), '12345'); // str_fromCodePoint (many arguments, creates a malloc string) assertEq(String.fromCodePoint(0x31, 0x32, 0x33, 0x34, 0x35, 0x36), '123456'); reportCompare(0, 0, "ok");