| 6 | |
| 7 | function test (binding) { |
| 8 | function testHasOwnProperty (nativeHasOwnProperty) { |
| 9 | const obj = { one: 1 }; |
| 10 | |
| 11 | Object.defineProperty(obj, 'two', { value: 2 }); |
| 12 | |
| 13 | assert.strictEqual(nativeHasOwnProperty(obj, 'one'), true); |
| 14 | assert.strictEqual(nativeHasOwnProperty(obj, 'two'), true); |
| 15 | assert.strictEqual('toString' in obj, true); |
| 16 | assert.strictEqual(nativeHasOwnProperty(obj, 'toString'), false); |
| 17 | } |
| 18 | |
| 19 | function testShouldThrowErrorIfKeyIsInvalid (nativeHasOwnProperty) { |
| 20 | assert.throws(() => { |