7533fd8b02
literal methods; add EnvrionmentRecord fields and methods to LexicalEnvironment Adding EnvrionmentRecord's fields and methods lets us throw an exception when |this| is not initialized, which occurs when the super constructor in a derived class has not yet been called, or when |this| has already been initialized (the super constructor was already called).
103 lines
2.8 KiB
JavaScript
103 lines
2.8 KiB
JavaScript
load("test-common.js");
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try {
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var foo = "bar";
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var computed = "computed"
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var o = {
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1: 23,
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foo,
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bar: "baz",
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qux: true ? 10 : 20,
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"hello": "friends",
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[1 + 2]: 42,
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["I am a " + computed + " key"]: foo,
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duplicate: "hello",
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duplicate: "world"
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};
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assert(o[1] === 23);
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assert(o[1n] === 23);
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assert(o["1"] === 23);
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assert(o.foo === "bar");
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assert(o["foo"] === "bar");
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assert(o.qux === 10),
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assert(o.hello === "friends");
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assert(o["hello"] === "friends");
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assert(o[3] === 42);
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assert(o["I am a computed key"] === "bar");
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assert(o.duplicate === "world");
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o.baz = "test";
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assert(o.baz === "test");
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assert(o["baz"] === "test");
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o[10] = "123";
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assert(o[10] === "123");
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assert(o["10"] === "123");
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o[10n] = "123";
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assert(o[10] === "123");
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assert(o["10"] === "123");
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o[-1] = "hello friends";
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assert(o[-1] === "hello friends");
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assert(o["-1"] === "hello friends");
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var math = { 3.14: "pi" };
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assert(math["3.14"] === "pi");
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// Note : this test doesn't pass yet due to floating-point literals being coerced to i32 on access
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// assert(math[3.14] === "pi");
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// This is also allowed! Watch out for syntax errors.
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var o2 = { return: 1, yield: 1, for: 1, catch: 1, break: 1 };
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assert(o2.return === 1);
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assert(o2.yield === 1);
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assert(o2.for === 1);
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assert(o2.catch === 1);
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assert(o2.break === 1);
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var a;
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var append = x => { a.push(x); };
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a = [];
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var o3 = {[append(1)]: 1, [append(2)]: 2, [append(3)]: 3}
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assert(a.length === 3);
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assert(a[0] === 1);
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assert(a[1] === 2);
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assert(a[2] === 3);
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assert(o3.undefined === 3);
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a = [];
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var o4 = {"test": append(1), "test": append(2), "test": append(3)}
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assert(a.length === 3);
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assert(a[0] === 1);
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assert(a[1] === 2);
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assert(a[2] === 3);
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assert(o4.test === undefined);
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var base = {
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getNumber() {
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return 10;
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}
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};
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var derived = {
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getNumber() {
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return 20 + super.getNumber();
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}
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};
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Object.setPrototypeOf(derived, base)
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assert(derived.getNumber() === 30);
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assertIsSyntaxError("({ foo: function() { super.bar; } })")
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assertIsSyntaxError("({ get ...foo })");
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assertIsSyntaxError("({ get... foo })");
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assertIsSyntaxError("({ get foo })");
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assertIsSyntaxError("({ get foo: bar })");
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assertIsSyntaxError("({ get [foo]: bar })");
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assertIsSyntaxError("({ get ...[foo] })");
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assertIsSyntaxError("({ get foo(bar) {} })");
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assertIsSyntaxError("({ set foo() {} })");
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assertIsSyntaxError("({ set foo(bar, baz) {} })");
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assertIsSyntaxError("({ ...foo: bar })");
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console.log("PASS");
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} catch (e) {
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console.log("FAIL: " + e);
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}
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