43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
const expect = require('expect');
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const isPrimitive = require('./isPrimitive.js');
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test('isPrimitive is a Function', () => {
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expect(isPrimitive).toBeInstanceOf(Function);
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});
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test('isPrimitive(null) is primitive', () => {
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expect(isPrimitive(null)).toBeTruthy();
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});
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test('isPrimitive(undefined) is primitive', () => {
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expect(isPrimitive(undefined)).toBeTruthy();
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});
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test('isPrimitive(string) is primitive', () => {
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expect(isPrimitive('string')).toBeTruthy();
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});
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test('isPrimitive(true) is primitive', () => {
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expect(isPrimitive(true)).toBeTruthy();
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});
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test('isPrimitive(50) is primitive', () => {
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expect(isPrimitive(50)).toBeTruthy();
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});
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test('isPrimitive(\'Hello\') is primitive', () => {
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expect(isPrimitive('Hello')).toBeTruthy();
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});
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test('isPrimitive(false) is primitive', () => {
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expect(isPrimitive(false)).toBeTruthy();
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});
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test('isPrimitive(Symbol()) is primitive', () => {
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expect(isPrimitive(Symbol())).toBeTruthy();
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});
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test('isPrimitive([1, 2, 3]) is not primitive', () => {
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expect(isPrimitive([1, 2, 3])).toBeFalsy();
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});
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test('isPrimitive({ a: 123 }) is not primitive', () => {
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expect(isPrimitive({ a: 123 })).toBeFalsy();
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});
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let start = new Date().getTime();
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isPrimitive({ a: 123 });
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let end = new Date().getTime();
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test('isPrimitive({ a: 123 }) takes less than 2s to run', () => {
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expect((end - start) < 2000).toBeTruthy();
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});
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