mirror of
				https://github.com/tc39/test262.git
				synced 2025-10-31 11:44:31 +01:00 
			
		
		
		
	* [javascriptcore-test262-automation] changes from git@github.com:WebKit/webkit.git at sha 949e26452cfa153a7f4afe593da97e2fe9e1b706 on Tue Jul 03 2018 14:35:15 GMT-0400 (Eastern Daylight Time)
		
			
				
	
	
		
			44 lines
		
	
	
		
			1007 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1007 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| import Builder from '../Builder.js'
 | |
| import * as assert from '../assert.js'
 | |
| 
 | |
| const b = new Builder();
 | |
| b.Type().End()
 | |
|     .Function().End()
 | |
|     .Export()
 | |
|         .Function("loop")
 | |
|     .End()
 | |
|     .Code()
 | |
|     .Function("loop", { params: ["i32"], ret: "i32" }, ["i32"])
 | |
|     .I32Const(0)
 | |
|     .SetLocal(1)
 | |
|     .Loop("void")
 | |
|     .Block("void", b =>
 | |
|            b.GetLocal(0)
 | |
|            .I32Const(0)
 | |
|            .I32Eq()
 | |
|            .BrIf(0)
 | |
|            .GetLocal(0)
 | |
|            .GetLocal(1)
 | |
|            .I32Add()
 | |
|            .SetLocal(1)
 | |
|            .GetLocal(0)
 | |
|            .I32Const(1)
 | |
|            .I32Sub()
 | |
|            .SetLocal(0)
 | |
|            .Br(1)
 | |
|           )
 | |
|     .End()
 | |
|     .GetLocal(1)
 | |
|     .Return()
 | |
|     .End()
 | |
|     .End()
 | |
| 
 | |
| const bin = b.WebAssembly().get();
 | |
| const module = new WebAssembly.Module(bin);
 | |
| const instance = new WebAssembly.Instance(module);
 | |
| 
 | |
| assert.eq(0, instance.exports.loop(0));
 | |
| assert.eq(1, instance.exports.loop(1));
 | |
| assert.eq(3, instance.exports.loop(2));
 | |
| assert.eq(5050, instance.exports.loop(100));
 |