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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/basic/non-extensible-elements6.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/basic/non-extensible-elements6.js')
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diff --git a/js/src/jit-test/tests/basic/non-extensible-elements6.js b/js/src/jit-test/tests/basic/non-extensible-elements6.js
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@@ -0,0 +1,144 @@
+load(libdir + "asserts.js");
+
+function testNonExtensible() {
+ var a = [1, 2, 3, , 5];
+ Object.preventExtensions(a);
+
+ // Can change the value.
+ Object.defineProperty(a, 1, {value:7, enumerable: true, configurable: true, writable: true});
+ assertEq(JSON.stringify(Object.getOwnPropertyDescriptor(a, 1)),
+ `{"value":7,"writable":true,"enumerable":true,"configurable":true}`);
+
+ // Can make non-writable, non-configurable, non-enumerable.
+ Object.defineProperty(a, 1, {value:9, enumerable: true, configurable: true, writable: false});
+ assertEq(JSON.stringify(Object.getOwnPropertyDescriptor(a, 1)),
+ `{"value":9,"writable":false,"enumerable":true,"configurable":true}`);
+ Object.defineProperty(a, 0, {value:4, enumerable: true, configurable: false, writable: true});
+ assertEq(JSON.stringify(Object.getOwnPropertyDescriptor(a, 0)),
+ `{"value":4,"writable":true,"enumerable":true,"configurable":false}`);
+ Object.defineProperty(a, 2, {value:3, enumerable: false, configurable: true, writable: true});
+ assertEq(JSON.stringify(Object.getOwnPropertyDescriptor(a, 2)),
+ `{"value":3,"writable":true,"enumerable":false,"configurable":true}`);
+
+ // Turn into an accessor.
+ Object.defineProperty(a, 4, {get:() => -2, enumerable: true, configurable: true});
+
+ // Can't add new properties.
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 3,
+ {value:4, enumerable: true,
+ configurable: true,
+ writable: true}),
+ TypeError);
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 10,
+ {value:4,
+ enumerable: true,
+ configurable: true,
+ writable: true}),
+ TypeError);
+
+ assertEq(a.toString(), "4,9,3,,-2");
+}
+for (var i = 0; i < 15; i++)
+ testNonExtensible();
+
+function testSealed() {
+ var a = [1, 2, 3, , 5];
+ Object.seal(a);
+
+ // Can change the value.
+ Object.defineProperty(a, 1, {value:7, enumerable: true, configurable: false, writable: true});
+ assertEq(JSON.stringify(Object.getOwnPropertyDescriptor(a, 1)),
+ `{"value":7,"writable":true,"enumerable":true,"configurable":false}`);
+
+ // Can make non-writable.
+ Object.defineProperty(a, 0, {value:4, enumerable: true, configurable: false, writable: false});
+
+ // Can't make configurable, non-enumerable.
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 2,
+ {value:7,
+ enumerable: true,
+ configurable: true,
+ writable: true}),
+ TypeError);
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 2,
+ {value:7,
+ enumerable: false,
+ configurable: false,
+ writable: true}),
+ TypeError);
+
+ // Can't turn into an accessor.
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 4, {get:() => -2,
+ enumerable: true,
+ configurable: true}),
+ TypeError);
+
+ // Can't add new properties.
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 3,
+ {value:4, enumerable: true,
+ configurable: true,
+ writable: true}),
+ TypeError);
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 10,
+ {value:4,
+ enumerable: true,
+ configurable: true,
+ writable: true}),
+ TypeError);
+
+ assertEq(a.toString(), "4,7,3,,5");
+}
+for (var i = 0; i < 15; i++)
+ testSealed();
+
+function testFrozen() {
+ var a = [1, 2, 3, , 5];
+ Object.freeze(a);
+
+ // Can redefine with same value/attributes.
+ Object.defineProperty(a, 0, {value:1, enumerable: true, configurable: false, writable: false});
+
+ // Can't change the value.
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 1,
+ {value:7,
+ enumerable: true,
+ configurable: false,
+ writable: false}),
+ TypeError);
+
+ // Can't make configurable, non-enumerable.
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 2,
+ {value:3,
+ enumerable: true,
+ configurable: true,
+ writable: false}),
+ TypeError);
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 2,
+ {value:3,
+ enumerable: false,
+ configurable: false,
+ writable: false}),
+ TypeError);
+ // Can't turn into an accessor.
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 4, {get:() => -2,
+ enumerable: true,
+ configurable: true}),
+ TypeError);
+
+ // Can't add new properties.
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 3,
+ {value:4, enumerable: true,
+ configurable: true,
+ writable: true}),
+ TypeError);
+ assertThrowsInstanceOf(() => Object.defineProperty(a, 10,
+ {value:4,
+ enumerable: true,
+ configurable: true,
+ writable: true}),
+ TypeError);
+
+ assertEq(a.toString(), "1,2,3,,5");
+}
+for (var i = 0; i < 15; i++)
+ testFrozen();