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* Install test dependencies. * Add initial test files. These files were created using a simplistic AST manipulator using `recast` to preserve formatting. There's bound to be a huge chunk of errors, but this serves as a good start. QUnit was replaced with Mocha, with ES2015 imports running via `esm`. As far as possible, QUnit-specific syntax has been replaced with Mocha's `describe` and `it`, while the native Node.js `assert` module is used for assertions. Files in the `test` directory ending in `.test.js` will be treated as test files. * Add initial passing files to test run.
44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
import assert from 'assert';
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import lodashStable from 'lodash';
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import { falsey, args, slice, symbol, realm } from './utils.js';
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import isBoolean from '../isBoolean.js';
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describe('isBoolean', function() {
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it('should return `true` for booleans', function() {
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assert.strictEqual(isBoolean(true), true);
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assert.strictEqual(isBoolean(false), true);
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assert.strictEqual(isBoolean(Object(true)), true);
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assert.strictEqual(isBoolean(Object(false)), true);
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});
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it('should return `false` for non-booleans', function() {
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var expected = lodashStable.map(falsey, function(value) {
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return value === false;
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});
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var actual = lodashStable.map(falsey, function(value, index) {
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return index ? isBoolean(value) : isBoolean();
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});
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assert.deepStrictEqual(actual, expected);
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assert.strictEqual(isBoolean(args), false);
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assert.strictEqual(isBoolean([1, 2, 3]), false);
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assert.strictEqual(isBoolean(new Date), false);
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assert.strictEqual(isBoolean(new Error), false);
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assert.strictEqual(isBoolean(_), false);
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assert.strictEqual(isBoolean(slice), false);
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assert.strictEqual(isBoolean({ 'a': 1 }), false);
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assert.strictEqual(isBoolean(1), false);
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assert.strictEqual(isBoolean(/x/), false);
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assert.strictEqual(isBoolean('a'), false);
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assert.strictEqual(isBoolean(symbol), false);
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});
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it('should work with a boolean from another realm', function() {
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if (realm.boolean) {
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assert.strictEqual(isBoolean(realm.boolean), true);
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}
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});
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});
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