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 --- .../arrays/push-slowly-loopy-nonwritable-length.js | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 js/src/jit-test/tests/arrays/push-slowly-loopy-nonwritable-length.js (limited to 'js/src/jit-test/tests/arrays/push-slowly-loopy-nonwritable-length.js') diff --git a/js/src/jit-test/tests/arrays/push-slowly-loopy-nonwritable-length.js b/js/src/jit-test/tests/arrays/push-slowly-loopy-nonwritable-length.js new file mode 100644 index 0000000000..79d8587153 --- /dev/null +++ b/js/src/jit-test/tests/arrays/push-slowly-loopy-nonwritable-length.js @@ -0,0 +1,51 @@ +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); +} + +var N = 100; + +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 < N; i++) + arrs.push([]); + + // 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 }); + + arrs.push(a); + + for (var i = 0, sz = arrs.length; i < sz; i++) + { + var arr = arrs[i]; + f(arr, 8675309, 3141592); + } +} + +var obj = {}; + +assertThrowsInstanceOf(function() { test(obj); }, TypeError); + +var arrs = obj.arrs; +assertEq(arrs.length, N + 1); +for (var i = 0; i < N; i++) +{ + assertEq(arrs[i].length, 2, "unexpected length for arrs[" + i + "]"); + assertEq(arrs[i][0], 8675309, "bad element for arrs[" + i + "][0]"); + assertEq(arrs[i][1], 3141592, "bad element for arrs[" + i + "][1]"); +} + +var a = arrs[N]; +assertEq(a.hasOwnProperty(6), false); +assertEq(a[6], undefined); +assertEq(a.hasOwnProperty(7), false); +assertEq(a[7], undefined); +assertEq(a.length, 6); -- cgit v1.2.3