| load(libdir + "asserts.js"); |
| |
| function f(arr, v1, v2) |
| { |
| // Ensure array_push_slowly is called by passing more than one argument. |
| arr.push(v1, v2); |
| } |
| |
| function basic() |
| { |
| // Use a much-greater capacity than the eventual non-writable length. |
| var a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]; |
| Object.defineProperty(a, "length", { writable: false, value: 6 }); |
| |
| assertThrowsInstanceOf(() => f(a, 8675309, 3141592), TypeError); |
| |
| assertEq(a.hasOwnProperty(6), false); |
| assertEq(a[6], undefined); |
| assertEq(a.hasOwnProperty(7), false); |
| assertEq(a[7], undefined); |
| assertEq(a.length, 6); |
| } |
| |
| basic(); |