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19 lines
513 B
JavaScript
19 lines
513 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: ${String(error)}`);
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}
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shouldThrow(() => {
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$.evalScript(`const shouldThrow = 42`);
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}, `SyntaxError: Can't create duplicate variable that shadows a global property: 'shouldThrow'`);
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