| load(libdir + "asserts.js"); |
| |
| function f(arr) |
| { |
| arr.pop(); |
| } |
| |
| var N = 100; |
| |
| function test() |
| { |
| // Create an array of arrays, to be iterated over for [].pop-calling. We |
| // can't just loop on pop on a single array with non-writable length because |
| // pop throws when called on an array with non-writable length. |
| var arrs = []; |
| for (var i = 0; i < N; i++) |
| arrs.push([0, 1, 2, 3]); |
| |
| // Test Ion-pop where dense initialized length < length. |
| var a = [0, 1, 2]; |
| a.length = 4; |
| |
| arrs.push(a); |
| |
| for (var i = 0, sz = arrs.length; i < sz; i++) |
| f(arrs[i]); |
| |
| return arrs; |
| } |
| |
| var arrs = test(); |
| assertEq(arrs.length, N + 1); |
| for (var i = 0; i < N; i++) |
| { |
| assertEq(arrs[i].length, 3, "unexpected length for arrs[" + i + "]"); |
| assertEq(arrs[i][0], 0, "bad element for arrs[" + i + "][0]"); |
| assertEq(arrs[i][1], 1, "bad element for arrs[" + i + "][1]"); |
| assertEq(arrs[i][2], 2, "bad element for arrs[" + i + "][2]"); |
| assertEq(3 in arrs[i], false, "shouldn't be a third element"); |
| assertEq(arrs[i][3], undefined); |
| } |
| |
| var a = arrs[N]; |
| assertEq(a.length, 3, "unexpected length for arrs[" + i + "]"); |
| assertEq(a[0], 0, "bad element for arrs[" + i + "][0]"); |
| assertEq(a[1], 1, "bad element for arrs[" + i + "][1]"); |
| assertEq(a[2], 2, "bad element for arrs[" + i + "][2]"); |
| assertEq(3 in a, false, "shouldn't be a third element"); |
| assertEq(a[3], undefined); |