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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.
55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
import assert from 'assert';
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import lodashStable from 'lodash';
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import { falsey, stubTrue } from './utils.js';
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import inRange from '../inRange.js';
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describe('inRange', function() {
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it('should work with an `end`', function() {
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assert.strictEqual(inRange(3, 5), true);
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assert.strictEqual(inRange(5, 5), false);
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assert.strictEqual(inRange(6, 5), false);
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});
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it('should work with a `start` and `end`', function() {
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assert.strictEqual(inRange(1, 1, 5), true);
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assert.strictEqual(inRange(3, 1, 5), true);
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assert.strictEqual(inRange(0, 1, 5), false);
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assert.strictEqual(inRange(5, 1, 5), false);
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});
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it('should treat falsey `start` as `0`', function() {
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lodashStable.each(falsey, function(value, index) {
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if (index) {
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assert.strictEqual(inRange(0, value), false);
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assert.strictEqual(inRange(0, value, 1), true);
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} else {
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assert.strictEqual(inRange(0), false);
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}
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});
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});
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it('should swap `start` and `end` when `start` > `end`', function() {
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assert.strictEqual(inRange(2, 5, 1), true);
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assert.strictEqual(inRange(-3, -2, -6), true);
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});
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it('should work with a floating point `n` value', function() {
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assert.strictEqual(inRange(0.5, 5), true);
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assert.strictEqual(inRange(1.2, 1, 5), true);
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assert.strictEqual(inRange(5.2, 5), false);
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assert.strictEqual(inRange(0.5, 1, 5), false);
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});
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it('should coerce arguments to finite numbers', function() {
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var actual = [
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inRange(0, '1'),
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inRange(0, '0', 1),
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inRange(0, 0, '1'),
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inRange(0, NaN, 1),
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inRange(-1, -1, NaN)
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];
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assert.deepStrictEqual(actual, lodashStable.map(actual, stubTrue));
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});
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});
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