wasm-13.js (4104B)
1 // |jit-test| skip-if: !wasmDebuggingEnabled() 2 // Tests that wasm module scripts has inspectable globals and memory. 3 4 load(libdir + "wasm.js"); 5 load(libdir + 'eqArrayHelper.js'); 6 7 function monitorGlobalValues(wast, lib, expected) { 8 function setupFrame(frame) { 9 var globals = {}; 10 framesGlobals.push(globals); 11 // Environment with globals follow function scope enviroment 12 var globalEnv = frame.environment.parent; 13 globalEnv.names().forEach(n => { 14 globals[n] = [globalEnv.getVariable(n)]; 15 }); 16 frame.onStep = function () { 17 var globalEnv = frame.environment.parent; 18 globalEnv.names().forEach(n => { 19 var prevValues = globals[n]; 20 if (!prevValues) 21 globals[n] = prevValues = [void 0]; 22 var value = globalEnv.getVariable(n); 23 if (prevValues[prevValues.length - 1] !== value) 24 prevValues.push(value); 25 }); 26 } 27 } 28 var framesGlobals = []; 29 wasmRunWithDebugger(wast, lib, 30 function ({dbg}) { 31 dbg.onEnterFrame = function(frame) { 32 if (frame.type == "wasmcall") 33 setupFrame(frame); 34 } 35 }, 36 function ({error}) { 37 assertEq(error, undefined); 38 } 39 ); 40 assertEq(framesGlobals.length, expected.length); 41 for (var i = 0; i < framesGlobals.length; i++) { 42 var frameGlobals = framesGlobals[i]; 43 var expectedGlobals = expected[i]; 44 var globalsNames = Object.keys(frameGlobals); 45 assertEq(globalsNames.length, Object.keys(expectedGlobals).length); 46 globalsNames.forEach(n => { 47 if (typeof expectedGlobals[n][0] === "function") { 48 // expectedGlobals are assert functions 49 expectedGlobals[n].forEach((assertFn, i) => { 50 assertFn(frameGlobals[n][i]); 51 }); 52 return; 53 } 54 assertEqArray(frameGlobals[n], expectedGlobals[n]); 55 }); 56 } 57 } 58 59 monitorGlobalValues( 60 '(module (func (export "test") (nop)))', 61 undefined, 62 [{}] 63 ); 64 monitorGlobalValues( 65 '(module (memory (export "memory") 1 1) (func (export "test") (nop) (nop)))', 66 undefined, 67 [{ 68 memory0: [ 69 function (actual) { 70 var bufferProp = actual.proto.getOwnPropertyDescriptor("buffer"); 71 assertEq(!!bufferProp, true, "wasm memory buffer property"); 72 var buffer = bufferProp.get.call(actual).return; 73 var bufferLengthProp = buffer.proto.getOwnPropertyDescriptor("byteLength"); 74 var bufferLength = bufferLengthProp.get.call(buffer).return; 75 assertEq(bufferLength, 65536, "wasm memory size"); 76 } 77 ] 78 }] 79 ); 80 monitorGlobalValues( 81 `(module\ 82 (global i32 (i32.const 1))(global i64 (i64.const 2))(global f32 (f32.const 3.5))(global f64 (f64.const 42.25))\ 83 (global externref (ref.null extern))\ 84 (func (export "test") (nop)))`, 85 undefined, 86 [(function () { 87 let x = { 88 global0: [1], 89 global1: [2], 90 global2: [3.5], 91 global3: [42.25], 92 global4: [ function (x) { assertEq(x.optimizedOut, true); } ], 93 }; 94 return x; 95 })()] 96 ); 97 monitorGlobalValues( 98 `(module (global (mut i32) (i32.const 1))(global (mut i64) (i64.const 2))\ 99 (global (mut f32) (f32.const 3.5))(global (mut f64) (f64.const 42.25))\ 100 (global (mut externref) (ref.null extern))\ 101 (func (export "test")\ 102 (i32.const 2)(global.set 0)(i64.const 1)(global.set 1)\ 103 (f32.const 42.25)(global.set 2)(f64.const 3.5)(global.set 3)\ 104 (ref.null extern)(global.set 4)))`, 105 undefined, 106 [(function () { 107 let x = { 108 global0: [1, 2], 109 global1: [2, 1], 110 global2: [3.5, 42.25], 111 global3: [42.25, 3.5], 112 global4: [ function (x) { assertEq(x.optimizedOut, true); } ], 113 }; 114 return x; 115 })()] 116 )