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comparison: js/src/jit-test/tests/asm.js/testNeuter.js
js/src/jit-test/tests/asm.js/testNeuter.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:cfd081024771 |
|---|---|
| 1 load(libdir + "asm.js"); | |
| 2 | |
| 3 function f(stdlib, foreign, buffer) { | |
| 4 "use asm"; | |
| 5 var i32 = new stdlib.Int32Array(buffer); | |
| 6 function set(i,j) { | |
| 7 i=i|0; | |
| 8 j=j|0; | |
| 9 i32[i>>2] = j; | |
| 10 } | |
| 11 function get(i) { | |
| 12 i=i|0; | |
| 13 return i32[i>>2]|0 | |
| 14 } | |
| 15 return {get:get, set:set} | |
| 16 } | |
| 17 if (isAsmJSCompilationAvailable()) | |
| 18 assertEq(isAsmJSModule(f), true); | |
| 19 | |
| 20 var i32 = new Int32Array(1024); | |
| 21 var buffer = i32.buffer; | |
| 22 var {get, set} = f(this, null, buffer); | |
| 23 if (isAsmJSCompilationAvailable()) | |
| 24 assertEq(isAsmJSFunction(get) && isAsmJSFunction(set), true); | |
| 25 | |
| 26 set(4, 42); | |
| 27 assertEq(get(4), 42); | |
| 28 | |
| 29 neuter(buffer, "change-data"); | |
| 30 neuter(buffer, "same-data"); | |
| 31 | |
| 32 // These operations may throw internal errors | |
| 33 try { | |
| 34 assertEq(get(4), 0); | |
| 35 set(0, 42); | |
| 36 assertEq(get(0), 0); | |
| 37 } catch (e) { | |
| 38 assertEq(String(e).indexOf("InternalError"), 0); | |
| 39 } | |
| 40 | |
| 41 function f2(stdlib, foreign, buffer) { | |
| 42 "use asm"; | |
| 43 var i32 = new stdlib.Int32Array(buffer); | |
| 44 var ffi = foreign.ffi; | |
| 45 function inner(i) { | |
| 46 i=i|0; | |
| 47 ffi(); | |
| 48 return i32[i>>2]|0 | |
| 49 } | |
| 50 return inner | |
| 51 } | |
| 52 if (isAsmJSCompilationAvailable()) | |
| 53 assertEq(isAsmJSModule(f2), true); | |
| 54 | |
| 55 var i32 = new Int32Array(1024); | |
| 56 var buffer = i32.buffer; | |
| 57 var threw = false; | |
| 58 function ffi() { | |
| 59 try { | |
| 60 neuter(buffer, "same-data"); | |
| 61 } catch (e) { | |
| 62 assertEq(String(e).indexOf("InternalError"), 0); | |
| 63 threw = true; | |
| 64 } | |
| 65 try { | |
| 66 neuter(buffer, "change-data"); | |
| 67 } catch (e) { | |
| 68 assertEq(String(e).indexOf("InternalError"), 0); | |
| 69 threw = true; | |
| 70 } | |
| 71 } | |
| 72 var inner = f2(this, {ffi:ffi}, buffer); | |
| 73 if (isAsmJSCompilationAvailable()) | |
| 74 assertEq(isAsmJSFunction(inner), true); | |
| 75 i32[2] = 13; | |
| 76 var result = inner(8); | |
| 77 if (threw) | |
| 78 assertEq(result, 13); | |
| 79 else | |
| 80 assertEq(result, 0); | |
| 81 |
