ef1b21004f
Mostly in comments, but sprintf() now prints "August" instead of "Auguest" so that's something.
53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
// This file must not be formatted by prettier. Make sure your IDE
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// respects the .prettierignore file!
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test("non strict-mode by default", () => {
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expect(isStrictMode()).toBeFalse();
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});
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test("use strict with double quotes", () => {
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"use strict";
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expect(isStrictMode()).toBeTrue();
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});
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test("use strict with single quotes", () => {
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'use strict';
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expect(isStrictMode()).toBeTrue();
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});
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test("use strict with backticks does not yield strict mode", () => {
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`use strict`;
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expect(isStrictMode()).toBeFalse();
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});
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test("use strict with single quotes after statement does not yield strict mode code", () => {
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;'use strict';
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expect(isStrictMode()).toBeFalse();
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});
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test("use strict with double quotes after statement does not yield strict mode code", () => {
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;"use strict";
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expect(isStrictMode()).toBeFalse();
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});
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test("strict mode propagates down the scope chain", () => {
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"use strict";
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expect(isStrictMode()).toBeTrue();
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(function() {
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expect(isStrictMode()).toBeTrue();
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})();
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});
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test("strict mode does not propagate up the scope chain", () => {
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expect(isStrictMode()).toBeFalse();
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(function() {
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"use strict";
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expect(isStrictMode()).toBeTrue();
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})();
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expect(isStrictMode()).toBeFalse();
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});
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test('only the string "use strict" yields strict mode code', () => {
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"use stric";
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expect(isStrictMode()).toBeFalse();
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});
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