mirror of https://github.com/tc39/test262.git
24 lines
559 B
JavaScript
24 lines
559 B
JavaScript
function shouldThrow(func, errorMessage) {
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var errorThrown = false;
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var error = null;
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try {
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func();
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} catch (e) {
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errorThrown = true;
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error = e;
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}
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if (!errorThrown)
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throw new Error('not thrown');
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if (String(error) !== errorMessage)
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throw new Error(`bad error: ${String(error)}`);
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}
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noInline(shouldThrow);
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function foo() {
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bar = 4;
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}
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Object.preventExtensions(this);
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foo();
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$.evalScript('const bar = 3;');
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shouldThrow(() => foo(), `TypeError: Attempted to assign to readonly property.`);
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