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// |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('${wast}');
var m = new WebAssembly.Instance(new WebAssembly.Module(b));
`);
var wasmScript = dbg.findScripts().filter(s => s.format == 'wasm')[0];
var breakpoints = wasmScript.getPossibleBreakpointOffsets();
initFunc({
dbg,
wasmScript,
g,
breakpoints,
});
let result, error;
try {
result = g.eval("m.exports.test()");
} catch (ex) {
error = ex;
}
doneFunc({
dbg,
result,
error,
wasmScript,
g
});
}
var onBreakpointCalled;
// Checking if we can stop at specified breakpoint.
runTest(
'(module (func (nop) (nop)) (export "test" (func 0)))',
function ({wasmScript, breakpoints}) {
print(`${JSON.stringify(breakpoints)}`);
assertEq(breakpoints.length, 2);
assertEq(breakpoints[0] > 0, true);
// Checking if breakpoints offsets are in ascending order.
assertEq(breakpoints[0] < breakpoints[1], 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, 2);
}
);
// 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, 2);
}
);
// 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);
}
);