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[test] add debugger scopes testing for async functions 

BUG=v8:4483
R=littledan@chromium.org, yangguo@chromium.org

Review-Url: https://codereview.chromium.org/2005613002
Cr-Commit-Position: refs/heads/master@{#36489}
parent 9159684e
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test/mjsunit/harmony/async-function-debug-scopes.js 0 → 100644
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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-async-await --expose-debug-as debug
var Debug = debug.Debug;
var AsyncFunction = (async function() {}).constructor;
async function thrower() { throw 'Exception'; }
async function test(name, func, args, handler, continuation) {
var handler_called = false;
var exception = null;
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) {
handler_called = true;
handler(exec_state);
}
} catch (e) {
exception = e;
}
}
Debug.setListener(listener);
var result;
if (typeof func === "object")
result = await func.method.apply(func, args);
else
result = await func.apply(null, args);
if (typeof continuation === "function") {
await continuation(result);
}
assertTrue(handler_called, `Expected ${name} handler to be called`);
if (exception) {
exception.message = `${name} / ${exception.message}`;
print(exception.stack);
quit(1);
}
Debug.setListener(null);
}
async function runTests() {
// Simple
await test(
"(AsyncFunctionExpression) Local 1",
async function() { debugger; }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 1 --- resume normal",
async function() { let z = await 2; debugger; }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({z: 2}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 1 --- resume throw",
async function() { let q = await 1;
try { let z = await thrower(); }
catch (e) { debugger; } }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e: 'Exception'}, 0, exec_state);
CheckScopeContent({q: 1}, 1, exec_state);
});
// Simple With Parameter
await test(
"(AsyncFunctionExpression) Local 2",
async function(a) { debugger; }, [1],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({ a: 1 }, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 2 --- resume normal",
async function(a) { let z = await 2; debugger; }, [1],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({ a: 1, z: 2 }, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 2 --- resume throw",
async function(a) { let z = await 2;
try { await thrower(); } catch (e) { debugger; } }, [1],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({ e: 'Exception' }, 0, exec_state);
CheckScopeContent({ a: 1, z: 2 }, 1, exec_state);
});
// Simple With Parameter and Variable
await test(
"(AsyncFunctionExpression) Local 3",
async function(a) { var b = 2; debugger; }, [1],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({ a: 1, b: 2 }, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 3 --- resume normal",
async function(a) { let y = await 3; var b = 2; let z = await 4;
debugger; }, [1],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({ a: 1, b: 2, y: 3, z: 4 }, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 3 --- resume throw",
async function(a) { let y = await 3;
try { var b = 2; let z = await thrower(); }
catch (e) { debugger; } }, [1],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({ e: 'Exception' }, 0, exec_state);
CheckScopeContent({ a: 1, b: 2, y: 3 }, 1, exec_state);
});
// Local scope with parameters and local variables.
await test(
"(AsyncFunctionExpression) Local 4",
async function(a, b) { var x = 3; var y = 4; debugger; }, [1, 2],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 4 --- resume normal",
async function(a, b) { let q = await 5; var x = 3; var y = 4;
let r = await 6; debugger; }, [1, 2],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4, q: 5, r: 6}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 4 --- resume throw",
async function(a, b) { let q = await 5; var x = 3; var y = 4;
try { let r = await thrower(); }
catch (e) { debugger; } }, [1, 2],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e: 'Exception'}, 0, exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4, q: 5}, 1, exec_state);
});
// Empty local scope with use of eval.
await test(
"(AsyncFunctionExpression) Local 5",
async function() { eval(""); debugger; }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 5 --- resume normal",
async function() { let x = await 1; eval(""); let y = await 2;
debugger; }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({ x: 1, y: 2 }, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 5 --- resume throw",
async function() { let x = await 1; eval("");
try { let y = await thrower(); }
catch (e) { debugger; } }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({ e: 'Exception' }, 0, exec_state);
CheckScopeContent({ x: 1 }, 1, exec_state);
});
// Local introducing local variable using eval.
await test(
"(AsyncFunctionExpression) Local 6",
async function() { eval("var i = 5"); debugger; }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({i:5}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 6 --- resume normal",
async function() { let x = await 1; eval("var i = 5"); let y = await 2;
debugger; }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({i:5, x: 1, y: 2}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 6 --- resume throw",
async function() { let x = await 1; eval("var i = 5");
try { let y = await thrower(); }
catch (e) { debugger; } }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e: 'Exception' }, 0, exec_state);
CheckScopeContent({i:5, x: 1}, 1, exec_state);
});
// Local scope with parameters, local variables and local variable introduced
// using eval.
await test(
"(AsyncFunctionExpression) Local 7",
async function(a, b) { var x = 3; var y = 4;
eval("var i = 5;"); eval("var j = 6");
debugger; }, [1, 2],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 7 --- resume normal",
async function(a, b) { let z = await 7; var x = 3; var y = 4;
eval("var i = 5;"); eval("var j = 6");
let q = await 8;
debugger; }, [1, 2],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6, z:7, q:8}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Local 7 --- resume throw",
async function(a, b) { let z = await 7; var x = 3; var y = 4;
eval("var i = 5;"); eval("var j = 6");
try { let q = await thrower(); }
catch (e) { debugger; } }, [1, 2],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e: 'Exception'}, 0, exec_state);
//CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6, z:7}, 1, exec_state);
});
// Nested empty with blocks.
await test(
"(AsyncFunctionExpression) With",
async function() { with ({}) { with ({}) { debugger; } } }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.With,
debug.ScopeType.With,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({}, 0, exec_state);
CheckScopeContent({}, 1, exec_state);
});
await test(
"(AsyncFunctionExpression) With --- resume normal",
async function() { let x = await 1; with ({}) { with ({}) {
let y = await 2; debugger; } } }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Block,
debug.ScopeType.With,
debug.ScopeType.With,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({y:2}, 0, exec_state);
CheckScopeContent({}, 1, exec_state);
CheckScopeContent({}, 2, exec_state);
CheckScopeContent({x:1}, 3, exec_state);
});
await test(
"(AsyncFunctionExpression) With --- resume throw",
async function() { let x = await 1; with ({}) { with ({}) {
try { let y = await thrower(); }
catch (e) { debugger; } } } }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.With,
debug.ScopeType.With,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({ e: 'Exception'}, 0, exec_state);
CheckScopeContent({}, 1, exec_state);
CheckScopeContent({}, 2, exec_state);
CheckScopeContent({x:1}, 3, exec_state);
});
// Simple closure formed by returning an inner function referering the outer
// functions arguments.
await test(
"(AsyncFunctionExpression) Closure 1",
async function(a) { return function() { debugger; return a; } }, [1],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1}, 1, exec_state);
},
result => result());
await test(
"(AsyncFunctionExpression) Closure 1 --- resume normal",
async function(a) { let x = await 2;
return function() { debugger; return a; } }, [1],
exec_state => {
CheckScopeChain([debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1, x: 2}, 1, exec_state);
},
result => result());
await test(
"(AsyncFunctionExpression) Closure 1 --- resume throw",
async function(a) { let x = await 2;
return async function() {
try { await thrower(); }
catch (e) { debugger; } return a; }; }, [1],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e: 'Exception'}, 0, exec_state);
CheckScopeContent({a:1, x: 2}, 2, exec_state);
},
result => result());
await test(
"(AsyncFunctionExpression) Catch block 1",
async function() { try { throw 'Exception'; } catch (e) { debugger; } }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e:'Exception'}, 0, exec_state);
});
await test(
"(AsyncFunctionExpression) Catch block 1 --- resume normal",
async function() {
let x = await 1;
try { throw 'Exception'; } catch (e) { let y = await 2; debugger; } }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Block,
debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({y: 2}, 0, exec_state);
CheckScopeContent({e:'Exception'}, 1, exec_state);
CheckScopeContent({x: 1}, 2, exec_state);
});
await test(
"(AsyncFunctionExpression) Catch block 1 --- resume throw",
async function() {
let x = await 1;
try { throw 'Exception!'; } catch (e) {
try { let y = await thrower(); } catch (e) { debugger; } } }, [],
exec_state => {
CheckScopeChain([debug.ScopeType.Catch,
debug.ScopeType.Catch,
debug.ScopeType.Local,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e:'Exception'}, 0, exec_state);
CheckScopeContent({e:'Exception!'}, 1, exec_state);
CheckScopeContent({x: 1}, 2, exec_state);
});
}
runTests().catch(error => {
print(error.stack);
quit(1);
})
// Check that two scope are the same.
function assertScopeMirrorEquals(scope1, scope2) {
assertEquals(scope1.scopeType(), scope2.scopeType());
assertEquals(scope1.frameIndex(), scope2.frameIndex());
assertEquals(scope1.scopeIndex(), scope2.scopeIndex());
assertPropertiesEqual(
scope1.scopeObject().value(), scope2.scopeObject().value());
}
function CheckFastAllScopes(scopes, exec_state) {
var fast_all_scopes = exec_state.frame().allScopes(true);
var length = fast_all_scopes.length;
assertTrue(scopes.length >= length);
for (var i = 0; i < scopes.length && i < length; i++) {
var scope = fast_all_scopes[length - i - 1];
assertTrue(scope.isScope());
assertEquals(scopes[scopes.length - i - 1], scope.scopeType());
}
}
// Check that the scope chain contains the expected types of scopes.
function CheckScopeChain(scopes, exec_state) {
var all_scopes = exec_state.frame().allScopes();
assertEquals(scopes.length, exec_state.frame().scopeCount());
assertEquals(
scopes.length, all_scopes.length, "FrameMirror.allScopes length");
for (var i = 0; i < scopes.length; i++) {
var scope = exec_state.frame().scope(i);
assertTrue(scope.isScope());
assertEquals(scopes[i], scope.scopeType());
assertScopeMirrorEquals(all_scopes[i], scope);
// Check the global object when hitting the global scope.
if (scopes[i] == debug.ScopeType.Global) {
// Objects don't have same class (one is "global", other is "Object",
// so just check the properties directly.
assertPropertiesEqual(this, scope.scopeObject().value());
}
}
CheckFastAllScopes(scopes, exec_state);
// Get the debug command processor.
var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
// Send a scopes request and check the result.
var json;
var request_json = '{"seq":0,"type":"request","command":"scopes"}';
var response_json = dcp.processDebugJSONRequest(request_json);
var response = JSON.parse(response_json);
assertEquals(scopes.length, response.body.scopes.length);
for (var i = 0; i < scopes.length; i++) {
var scopeRef = response.body.scopes[i].object.ref;
assertEquals(i, response.body.scopes[i].index);
assertEquals(scopes[i], response.body.scopes[i].type);
if (scopes[i] == debug.ScopeType.Local ||
scopes[i] == debug.ScopeType.Script ||
scopes[i] == debug.ScopeType.Closure) {
assertTrue(response.body.scopes[i].object.ref < 0);
} else {
assertTrue(response.body.scopes[i].object.ref >= 0);
}
var found = false;
for (var j = 0; j < response.refs.length && !found; j++) {
found = response.refs[j].handle == response.body.scopes[i].object.ref;
}
assertTrue(found, `Scope object ${scopeRef} not found`);
}
}
// Check that the content of the scope is as expected. For functions just check
// that there is a function.
function CheckScopeContent(content, number, exec_state) {
var scope = exec_state.frame().scope(number);
var count = 0;
for (var p in content) {
var property_mirror = scope.scopeObject().property(p);
assertFalse(property_mirror.isUndefined(),
`property ${p} not found in scope`);
if (typeof(content[p]) === 'function') {
assertTrue(property_mirror.value().isFunction());
} else {
assertEquals(content[p], property_mirror.value().value(),
`property ${p} has unexpected value`);
}
count++;
}
// 'arguments' and might be exposed in the local and closure scope. Just
// ignore this.
var scope_size = scope.scopeObject().properties().length;
if (!scope.scopeObject().property('arguments').isUndefined()) {
scope_size--;
}
// Skip property with empty name.
if (!scope.scopeObject().property('').isUndefined()) {
scope_size--;
}
if (count != scope_size) {
print('Names found in scope:');
var names = scope.scopeObject().propertyNames();
for (var i = 0; i < names.length; i++) {
print(names[i]);
}
}
assertEquals(count, scope_size);
// Get the debug command processor.
var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
// Send a scope request for information on a single scope and check the
// result.
var request_json = `{
"seq": 0,
"type": "request",
"command": "scope",
"arguments": {
"number": `;
request_json += scope.scopeIndex();
request_json += '}}';
var response_json = dcp.processDebugJSONRequest(request_json);
var response = JSON.parse(response_json);
assertEquals(scope.scopeType(), response.body.type);
assertEquals(number, response.body.index);
if (scope.scopeType() == debug.ScopeType.Local ||
scope.scopeType() == debug.ScopeType.Script ||
scope.scopeType() == debug.ScopeType.Closure) {
assertTrue(response.body.object.ref < 0);
} else {
assertTrue(response.body.object.ref >= 0);
}
var found = false;
for (var i = 0; i < response.refs.length && !found; i++) {
found = response.refs[i].handle == response.body.object.ref;
}
assertTrue(found, "Scope object " + response.body.object.ref + " not found");
}
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