mirror of
				https://github.com/RGBCube/serenity
				synced 2025-10-26 07:42:07 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			63 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| test("basic numeric and", () => {
 | |
|     expect(0 & 0).toBe(0);
 | |
|     expect(0 & 1).toBe(0);
 | |
|     expect(0 & 2).toBe(0);
 | |
|     expect(0 & 3).toBe(0);
 | |
|     expect(0 & 4).toBe(0);
 | |
|     expect(0 & 5).toBe(0);
 | |
| 
 | |
|     expect(1 & 0).toBe(0);
 | |
|     expect(1 & 1).toBe(1);
 | |
|     expect(1 & 2).toBe(0);
 | |
|     expect(1 & 3).toBe(1);
 | |
|     expect(1 & 4).toBe(0);
 | |
|     expect(1 & 5).toBe(1);
 | |
| 
 | |
|     expect(2 & 0).toBe(0);
 | |
|     expect(2 & 1).toBe(0);
 | |
|     expect(2 & 2).toBe(2);
 | |
|     expect(2 & 3).toBe(2);
 | |
|     expect(2 & 4).toBe(0);
 | |
|     expect(2 & 5).toBe(0);
 | |
| 
 | |
|     expect(3 & 0).toBe(0);
 | |
|     expect(3 & 1).toBe(1);
 | |
|     expect(3 & 2).toBe(2);
 | |
|     expect(3 & 3).toBe(3);
 | |
|     expect(3 & 4).toBe(0);
 | |
|     expect(3 & 5).toBe(1);
 | |
| 
 | |
|     expect(4 & 0).toBe(0);
 | |
|     expect(4 & 1).toBe(0);
 | |
|     expect(4 & 2).toBe(0);
 | |
|     expect(4 & 3).toBe(0);
 | |
|     expect(4 & 4).toBe(4);
 | |
|     expect(4 & 5).toBe(4);
 | |
| 
 | |
|     expect(5 & 0).toBe(0);
 | |
|     expect(5 & 1).toBe(1);
 | |
|     expect(5 & 2).toBe(0);
 | |
|     expect(5 & 3).toBe(1);
 | |
|     expect(5 & 4).toBe(4);
 | |
|     expect(5 & 5).toBe(5);
 | |
| 
 | |
|     expect(0xffffffff & 0).toBe(0);
 | |
|     expect(0xffffffff & 0xffffffff).toBe(-1);
 | |
| });
 | |
| 
 | |
| test("and with non-numeric values", () => {
 | |
|     let x = 3;
 | |
|     let y = 7;
 | |
| 
 | |
|     expect("42" & 6).toBe(2);
 | |
|     expect(x & y).toBe(3);
 | |
|     expect(x & [[[[13]]]]).toBe(1);
 | |
|     expect(undefined & y).toBe(0);
 | |
|     expect("a" & "b").toBe(0);
 | |
|     expect(null & null).toBe(0);
 | |
|     expect(undefined & undefined).toBe(0);
 | |
|     expect(NaN & NaN).toBe(0);
 | |
|     expect(NaN & 6).toBe(0);
 | |
|     expect(Infinity & Infinity).toBe(0);
 | |
|     expect(-Infinity & Infinity).toBe(0);
 | |
| });
 | 
