michael@0: var BUGNUMBER = 918879;
michael@0: var summary = 'String.fromCodePoint';
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: // Tests taken from:
michael@0: // https://github.com/mathiasbynens/String.fromCodePoint/blob/master/tests/tests.js
michael@0: 
michael@0: assertEq(String.fromCodePoint.length, 0);
michael@0: assertEq(String.propertyIsEnumerable('fromCodePoint'), false);
michael@0: 
michael@0: assertEq(String.fromCodePoint(''), '\0');
michael@0: assertEq(String.fromCodePoint(), '');
michael@0: assertEq(String.fromCodePoint(-0), '\0');
michael@0: assertEq(String.fromCodePoint(0), '\0');
michael@0: assertEq(String.fromCodePoint(0x1D306), '\uD834\uDF06');
michael@0: assertEq(String.fromCodePoint(0x1D306, 0x61, 0x1D307), '\uD834\uDF06a\uD834\uDF07');
michael@0: assertEq(String.fromCodePoint(0x61, 0x62, 0x1D307), 'ab\uD834\uDF07');
michael@0: assertEq(String.fromCodePoint(false), '\0');
michael@0: assertEq(String.fromCodePoint(null), '\0');
michael@0: 
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint('_'); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint('+Infinity'); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint('-Infinity'); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint(-1); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint(0x10FFFF + 1); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint(3.14); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint(3e-2); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint(Infinity); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint(NaN); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint(undefined); }, RangeError);
michael@0: assertThrowsInstanceOf(function() { String.fromCodePoint({}); }, RangeError);
michael@0: 
michael@0: var counter = Math.pow(2, 15) * 3 / 2;
michael@0: var result = [];
michael@0: while (--counter >= 0) {
michael@0:         result.push(0); // one code unit per symbol
michael@0: }
michael@0: String.fromCodePoint.apply(null, result); // must not throw
michael@0: 
michael@0: var counter = Math.pow(2, 15) * 3 / 2;
michael@0: var result = [];
michael@0: while (--counter >= 0) {
michael@0:         result.push(0xFFFF + 1); // two code units per symbol
michael@0: }
michael@0: String.fromCodePoint.apply(null, result); // must not throw
michael@0: 
michael@0: reportCompare(0, 0, "ok");