331f6a9e60
Fixes the bug in interpreter when cached environment coordinate is not invalidated after `delete` operator usage on global `this`.
23 lines
434 B
JavaScript
23 lines
434 B
JavaScript
a = 1;
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b = 42;
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test("basic functionality", () => {
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expect(delete a).toBeTrue();
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expect(() => {
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a;
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}).toThrowWithMessage(ReferenceError, "'a' is not defined");
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});
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test("delete global var after usage", () => {
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let errors = 0;
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for (let i = 0; i < 3; ++i) {
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try {
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b++;
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} catch {
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++errors;
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}
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delete globalThis.b;
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}
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expect(errors).toBe(2);
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});
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