| |
| var table = [ |
| [NaN, 0, 0], |
| [Infinity, Infinity, 0], |
| [NaN, 1000, 0], |
| |
| [-1, -2, 2], |
| [1, 2, 2], |
| [-1, 2, -2], |
| [1, -2, -2], |
| [-0, 0, 0], |
| [0, -0, 0], |
| [-1, -0, 0], |
| [1, -0, 0], |
| |
| [0xffffffff, 1, -1], |
| |
| [0xffffffff, 0xffffffff, 1], |
| [0xffffffff, -0xffffffff, -1], |
| [0xffffffff, 0xfffffffe, 2], |
| [0xffffffff, -0xfffffffe, -2], |
| [0x10000, 0x10000, 0], |
| |
| [{}, {}, 0], |
| [[], [], 0], |
| [{}, [], 0], |
| [[], {}, 0], |
| |
| [{valueOf: function() { return -1; }}, 0x100000, -1048576], |
| ["3", "-4", -12], |
| [3.4, 6, 18] |
| ]; |
| |
| try { |
| Math.imul({ valueOf: function() { throw "ha ha ha"; } }); |
| assertEq(true, false, "no error thrown"); |
| } catch (e) { |
| assertEq(e, "ha ha ha"); |
| } |
| |
| var order = []; |
| assertEq(Math.imul({ valueOf: function() { order.push("first"); return 0; } }, |
| { valueOf: function() { order.push("second"); return 0; } }), |
| 0); |
| assertEq(order[0], "first"); |
| assertEq(order[1], "second"); |
| |
| var seen = []; |
| try |
| { |
| Math.imul({ valueOf: function() { seen.push("one"); return 17; } }, |
| { valueOf: function() { throw "abort!"; } }); |
| assertEq(true, false, "no error thrown"); |
| } |
| catch (e) |
| { |
| assertEq(e, "abort!", "should have thrown partway through, instead threw " + e); |
| } |
| assertEq(seen.length, 1); |
| assertEq(seen[0], "one"); |
| |
| assertEq(Math.imul(), 0); |
| assertEq(Math.imul(100), 0); |
| assertEq(Math.imul(NaN, 100), 0); |
| assertEq(Math.imul(NaN, NaN), 0); |
| assertEq(Math.imul(5, Infinity), 0); |
| |
| for (var i = 0; i < table.length; i++) { |
| assertEq(Math.imul(table[i][0], table[i][1]), table[i][2]); |
| assertEq(Math.imul(table[i][1], table[i][0]), table[i][2]); |
| } |