mirror of https://github.com/nodejs/node.git
65 lines
1.8 KiB
JavaScript
65 lines
1.8 KiB
JavaScript
// META: global=window,dedicatedworker,jsshell
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test(() => {
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const thisValues = [
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undefined,
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null,
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true,
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"",
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Symbol(),
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1,
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{},
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WebAssembly.Memory,
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WebAssembly.Memory.prototype,
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];
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const desc = Object.getOwnPropertyDescriptor(WebAssembly.Memory.prototype, "buffer");
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assert_equals(typeof desc, "object");
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const getter = desc.get;
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assert_equals(typeof getter, "function");
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assert_equals(typeof desc.set, "undefined");
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for (const thisValue of thisValues) {
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assert_throws_js(TypeError, () => getter.call(thisValue), `this=${format_value(thisValue)}`);
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}
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}, "Branding");
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test(() => {
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const argument = { "initial": 0 };
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const memory = new WebAssembly.Memory(argument);
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const buffer = memory.buffer;
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const desc = Object.getOwnPropertyDescriptor(WebAssembly.Memory.prototype, "buffer");
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assert_equals(typeof desc, "object");
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const getter = desc.get;
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assert_equals(typeof getter, "function");
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assert_equals(getter.call(memory, {}), buffer);
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}, "Stray argument");
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test(() => {
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const argument = { "initial": 0 };
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const memory = new WebAssembly.Memory(argument);
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const memory2 = new WebAssembly.Memory(argument);
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const buffer = memory.buffer;
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assert_not_equals(buffer, memory2.buffer, "Need two distinct buffers");
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memory.buffer = memory2.buffer;
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assert_equals(memory.buffer, buffer, "Should not change the buffer");
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}, "Setting (sloppy mode)");
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test(() => {
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const argument = { "initial": 0 };
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const memory = new WebAssembly.Memory(argument);
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const memory2 = new WebAssembly.Memory(argument);
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const buffer = memory.buffer;
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assert_not_equals(buffer, memory2.buffer, "Need two distinct buffers");
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assert_throws_js(TypeError, () => {
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"use strict";
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memory.buffer = memory2.buffer;
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});
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assert_equals(memory.buffer, buffer, "Should not change the buffer");
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}, "Setting (strict mode)");
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