From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../tests/arrays/ion-push-nonwritable-length.js | 61 ++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 js/src/jit-test/tests/arrays/ion-push-nonwritable-length.js (limited to 'js/src/jit-test/tests/arrays/ion-push-nonwritable-length.js') diff --git a/js/src/jit-test/tests/arrays/ion-push-nonwritable-length.js b/js/src/jit-test/tests/arrays/ion-push-nonwritable-length.js new file mode 100644 index 0000000000..5149103169 --- /dev/null +++ b/js/src/jit-test/tests/arrays/ion-push-nonwritable-length.js @@ -0,0 +1,61 @@ +function f(arr) +{ + assertEq(arr.push(4), 5); // if it doesn't throw :-) +} + +function test(out) +{ + // Create an array of arrays, to be iterated over for [].push-calling. We + // can't just loop on push on a single array with non-writable length because + // push throws when called on an array with non-writable length. + var arrs = out.arrs = []; + for (var i = 0; i < 100; i++) + arrs.push([0, 1, 2, 3]); + + // Use a much-greater capacity than the eventual non-writable length, so that + // the inline-push will work. + var a = [0, 1, 2, 3, 4, 5, 6, 7]; + Object.defineProperty(a, "length", { writable: false, value: 4 }); + + arrs.push(a); + + for (var i = 0, sz = arrs.length; i < sz; i++) + { + var arr = arrs[i]; + f(arr); + } +} + +var obj = {}; +var a, arrs; + +try +{ + test(obj); + throw new Error("didn't throw!"); +} +catch (e) +{ + assertEq(e instanceof TypeError, true, "expected TypeError, got " + e); + + arrs = obj.arrs; + assertEq(arrs.length, 101); + for (var i = 0; i < 100; i++) + { + assertEq(arrs[i].length, 5, "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(arrs[i][3], 3, "bad element for arrs[" + i + "][3]"); + assertEq(arrs[i][4], 4, "bad element for arrs[" + i + "][4]"); + } + + a = arrs[100]; + assertEq(a[0], 0, "bad element for a[" + i + "]"); + assertEq(a[1], 1, "bad element for a[" + i + "]"); + assertEq(a[2], 2, "bad element for a[" + i + "]"); + assertEq(a[3], 3, "bad element for a[" + i + "]"); + assertEq(a.hasOwnProperty(4), false, "element addition should have thrown"); + assertEq(a[4], undefined); + assertEq(a.length, 4, "length shouldn't have been changed"); +} -- cgit v1.2.3