blob: 06b6f50bedcfb8e04185e65df667e1cbd7e0f691 [file] [log] [blame]
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'dart:developer';
import 'package:observatory_2/service_io.dart';
import 'package:test/test.dart';
import 'service_test_common.dart';
import 'test_helper.dart';
int LINE_A = 31;
int LINE_B = 36;
int LINE_C = 39;
int LINE_D = 43;
int global = 0;
@pragma('vm:never-inline')
b3(x) {
int sum = 0;
try {
for (int i = 0; i < x; i++) {
sum += x;
}
} catch (e) {
print("caught $e");
}
if (global >= 100) {
debugger();
}
global = global + 1; // Line A
return sum;
}
@pragma('vm:prefer-inline')
b2(x) => b3(x); // Line B
@pragma('vm:prefer-inline')
b1(x) => b2(x); // Line C
test() {
while (true) {
b1(10000); // Line D
}
}
var tests = <IsolateTest>[
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_A),
(Isolate isolate) async {
// We are not able to rewind frame 0.
bool caughtException;
try {
await isolate.rewind(0);
expect(false, isTrue, reason: 'Unreachable');
} on ServerRpcException catch (e) {
caughtException = true;
expect(e.code, equals(ServerRpcException.kCannotResume));
expect(e.message, 'Frame must be in bounds [1..8]: saw 0');
}
expect(caughtException, isTrue);
},
(Isolate isolate) async {
// We are not able to rewind frame 13.
bool caughtException;
try {
await isolate.rewind(13);
expect(false, isTrue, reason: 'Unreachable');
} on ServerRpcException catch (e) {
caughtException = true;
expect(e.code, equals(ServerRpcException.kCannotResume));
expect(e.message, 'Frame must be in bounds [1..8]: saw 13');
}
expect(caughtException, isTrue);
},
(Isolate isolate) async {
// We are at our breakpoint with global=100.
Instance result = await isolate.rootLibrary.evaluate('global');
print('global is $result');
expect(result.type, equals('Instance'));
expect(result.valueAsString, equals('100'));
// Rewind the top stack frame.
var result2 = await isolate.rewind(1);
expect(result2['type'], equals('Success'));
},
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_B),
(Isolate isolate) async {
var result = await isolate.resume();
expect(result['type'], equals('Success'));
},
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_A),
(Isolate isolate) async {
// global still is equal to 100. We did not execute "global++".
Instance result = await isolate.rootLibrary.evaluate('global');
print('global is $result');
expect(result.type, equals('Instance'));
expect(result.valueAsString, equals('100'));
// Rewind up to 'test'/
var result2 = await isolate.rewind(3);
expect(result2['type'], equals('Success'));
},
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_D),
(Isolate isolate) async {
// Reset global to 0 and start again.
Instance result = await isolate.rootLibrary.evaluate('global=0');
print('set global to $result');
expect(result.type, equals('Instance'));
expect(result.valueAsString, equals('0'));
var result2 = await isolate.resume();
expect(result2['type'], equals('Success'));
},
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_A),
(Isolate isolate) async {
// We are at our breakpoint with global=100.
Instance result = await isolate.rootLibrary.evaluate('global');
print('global is $result');
expect(result.type, equals('Instance'));
expect(result.valueAsString, equals('100'));
// Rewind the top 2 stack frames.
var result2 = await isolate.rewind(2);
expect(result2['type'], equals('Success'));
},
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_C),
];
main(args) => runIsolateTests(args, tests, testeeConcurrent: test, extraArgs: [
'--trace-rewind',
'--no-prune-dead-locals',
'--no-background-compilation',
'--optimization-counter-threshold=10'
]);