1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
// |jit-test| test-also=--wasm-compiler=optimizing; skip-if: !wasmDebuggingEnabled()
// Tests that wasm module scripts handles basic breakpoint operations.
load(libdir + "wasm.js");
function runTest(wast, initFunc, doneFunc) {
let g = newGlobal({newCompartment: true});
let dbg = new Debugger(g);
g.eval(`
var b = wasmTextToBinary('${wast}');
var m = new WebAssembly.Instance(new WebAssembly.Module(b));
var breakpoints = wasmCodeOffsets(b);
`);
var { breakpoints } = g;
var wasmScript = dbg.findScripts().filter(s => s.format == 'wasm')[0];
initFunc({
dbg,
wasmScript,
g,
breakpoints
});
let result, error;
try {
result = g.eval("m.exports.test()");
} catch (ex) {
error = ex;
}
doneFunc({
dbg,
result,
error,
wasmScript,
g
});
}
var onBreakpointCalled;
// Checking if we can stop at specified breakpoint.
runTest(
'(module (func (nop) (nop)) (export "test" (func 0)))',
function ({wasmScript, breakpoints}) {
print(`${JSON.stringify(breakpoints)}`);
assertEq(breakpoints.length, 3);
assertEq(breakpoints[0] > 0, true);
// Checking if breakpoints offsets are in ascending order.
assertEq(breakpoints[0] < breakpoints[1], true);
assertEq(breakpoints[1] < breakpoints[2], true);
onBreakpointCalled = 0;
breakpoints.forEach(function (offset) {
wasmScript.setBreakpoint(offset, {
hit: (frame) => {
assertEq(frame.offset, offset);
onBreakpointCalled++;
}
});
});
},
function ({dbg, error}) {
assertEq(error, undefined);
assertEq(onBreakpointCalled, 3);
}
);
// Checking if we can remove breakpoint one by one.
runTest(
'(module (func (nop) (nop)) (export "test" (func 0)))',
function ({wasmScript, breakpoints}) {
onBreakpointCalled = 0;
var handlers = [];
breakpoints.forEach(function (offset, i) {
wasmScript.setBreakpoint(offset, handlers[i] = {
hit: (frame) => {
assertEq(frame.offset, breakpoints[0]);
onBreakpointCalled++;
// Removing all handlers.
handlers.forEach(h => wasmScript.clearBreakpoint(h));
}
});
});
},
function ({error}) {
assertEq(error, undefined);
assertEq(onBreakpointCalled, 1);
}
);
// Checking if we can remove breakpoint one by one from a breakpoint handler.
runTest(
'(module (func (nop) (nop)) (export "test" (func 0)))',
function ({wasmScript, breakpoints}) {
onBreakpointCalled = 0;
var handlers = [];
breakpoints.forEach(function (offset, i) {
wasmScript.setBreakpoint(offset, handlers[i] = {
hit: (frame) => {
assertEq(frame.offset, breakpoints[0]);
onBreakpointCalled++;
// Removing all handlers.
handlers.forEach(h => wasmScript.clearBreakpoint(h));
}
});
});
},
function ({error}) {
assertEq(error, undefined);
assertEq(onBreakpointCalled, 1);
}
);
// Checking if we can remove breakpoint one by one from onEnterFrame,
// but onStep will still work.
var onStepCalled;
runTest(
'(module (func (nop) (nop)) (export "test" (func 0)))',
function ({dbg, wasmScript, breakpoints}) {
onBreakpointCalled = 0;
onStepCalled = [];
var handlers = [];
breakpoints.forEach(function (offset, i) {
wasmScript.setBreakpoint(offset, handlers[i] = {
hit: (frame) => {
assertEq(false, true);
onBreakpointCalled++;
}
});
});
dbg.onEnterFrame = function (frame) {
if (frame.type != 'wasmcall') return;
frame.onStep = function () {
onStepCalled.push(frame.offset);
};
// Removing all handlers.
handlers.forEach(h => wasmScript.clearBreakpoint(h));
};
},
function ({error}) {
assertEq(error, undefined);
assertEq(onBreakpointCalled, 0);
assertEq(onStepCalled.length, 3);
}
);
// Checking if we can remove all breakpoints.
runTest(
'(module (func (nop) (nop)) (export "test" (func 0)))',
function ({wasmScript, breakpoints}) {
onBreakpointCalled = 0;
breakpoints.forEach(function (offset, i) {
wasmScript.setBreakpoint(offset, {
hit: (frame) => {
assertEq(frame.offset, breakpoints[0]);
onBreakpointCalled++;
// Removing all handlers.
wasmScript.clearAllBreakpoints();
}
});
});
},
function ({error}) {
assertEq(error, undefined);
assertEq(onBreakpointCalled, 1);
}
);
// Checking if breakpoints are removed after debugger has been detached.
runTest(
'(module (func (nop) (nop)) (export "test" (func 0)))',
function ({dbg, wasmScript, g, breakpoints}) {
onBreakpointCalled = 0;
breakpoints.forEach(function (offset, i) {
wasmScript.setBreakpoint(offset, {
hit: (frame) => {
onBreakpointCalled++;
}
});
});
dbg.onEnterFrame = function (frame) {
dbg.removeDebuggee(g);
};
},
function ({error}) {
assertEq(error, undefined);
assertEq(onBreakpointCalled, 0);
}
);
|
