blob: fb40ffa4a30470640eb41a128e8d004821cdfbb9 [file] [log] [blame]
// Copyright (c) 2014, 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.
library inbound_references_test;
import 'package:observatory_2/service_io.dart';
import 'package:test/test.dart';
import 'test_helper.dart';
// Make sure these variables are not removed by the tree shaker.
@pragma("vm:entry-point")
var cleanBlock;
@pragma("vm:entry-point")
var copyingBlock;
@pragma("vm:entry-point")
var fullBlock;
@pragma("vm:entry-point")
var fullBlockWithChain;
Function genCleanBlock() {
block(x) => x;
return block;
}
Function genCopyingBlock() {
final x = 'I could be copied into the block';
block() => x;
return block;
}
Function genFullBlock() {
var x = 42; // I must captured in a context.
block() => x;
x++;
return block;
}
Function genFullBlockWithChain() {
var x = 420; // I must captured in a context.
outerBlock() {
var y = 4200;
innerBlock() => x + y;
y++;
return innerBlock;
}
x++;
return outerBlock();
}
void script() {
cleanBlock = genCleanBlock();
copyingBlock = genCopyingBlock();
fullBlock = genFullBlock();
fullBlockWithChain = genFullBlockWithChain();
}
var tests = <IsolateTest>[
(Isolate isolate) async {
Library lib = await isolate.rootLibrary.load();
Field field = lib.variables.singleWhere((v) => v.name == 'cleanBlock');
await field.load();
Instance block = await field.staticValue.load();
expect(block.isClosure, isTrue);
expect(block.closureContext, isNull);
},
(Isolate isolate) async {
Library lib = await isolate.rootLibrary.load();
Field field = lib.variables.singleWhere((v) => v.name == 'copyingBlock');
await field.load();
Instance block = await field.staticValue.load();
expect(block.isClosure, isTrue);
expect(block.closureContext.isContext, isTrue);
expect(block.closureContext.length, equals(1));
Context ctxt = await block.closureContext.load();
expect(ctxt.variables.single.value.asValue.isString, isTrue);
expect(ctxt.variables.single.value.asValue.valueAsString,
equals('I could be copied into the block'));
expect(ctxt.parentContext, isNull);
},
(Isolate isolate) async {
Library lib = await isolate.rootLibrary.load();
Field field = lib.variables.singleWhere((v) => v.name == 'fullBlock');
await field.load();
Instance block = await field.staticValue.load();
expect(block.isClosure, isTrue);
expect(block.closureContext.isContext, isTrue);
expect(block.closureContext.length, equals(1));
Context ctxt = await block.closureContext.load();
expect(ctxt.variables.single.value.asValue.isInt, isTrue);
expect(ctxt.variables.single.value.asValue.valueAsString, equals('43'));
expect(ctxt.parentContext, isNull);
},
(Isolate isolate) async {
Library lib = await isolate.rootLibrary.load();
Field field =
lib.variables.singleWhere((v) => v.name == 'fullBlockWithChain');
await field.load();
Instance block = await field.staticValue.load();
expect(block.isClosure, isTrue);
expect(block.closureContext.isContext, isTrue);
expect(block.closureContext.length, equals(1));
Context ctxt = await block.closureContext.load();
expect(ctxt.variables.single.value.asValue.isInt, isTrue);
expect(ctxt.variables.single.value.asValue.valueAsString, equals('4201'));
expect(ctxt.parentContext.isContext, isTrue);
expect(ctxt.parentContext.length, equals(1));
Context outerCtxt = await ctxt.parentContext.load();
expect(outerCtxt.variables.single.value.asValue.isInt, isTrue);
expect(
outerCtxt.variables.single.value.asValue.valueAsString, equals('421'));
expect(outerCtxt.parentContext, isNull);
},
];
main(args) => runIsolateTests(args, tests, testeeBefore: script);