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Migrate corelib tests starting with "j" to "q" to NNBD.
Change-Id: I1783f624c7ce7d3b962c301c27ac0f4422d7c28f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/126824 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
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// Copyright (c) 2011, 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. | ||
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library json_map_test; | ||
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import "package:expect/expect.dart"; | ||
import 'dart:convert' show json; | ||
import 'dart:collection' show LinkedHashMap, HashMap; | ||
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bool useReviver = false; | ||
Map<String, dynamic> jsonify(Map map) { | ||
String encoded = json.encode(map); | ||
return useReviver | ||
? json.decode(encoded, reviver: (key, value) => value) | ||
: json.decode(encoded); | ||
} | ||
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List listEach(Map map) { | ||
var result = []; | ||
map.forEach((key, value) { | ||
result.add(key); | ||
result.add(value); | ||
}); | ||
return result; | ||
} | ||
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void main() { | ||
test(false); | ||
test(true); | ||
} | ||
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void test(bool revive) { | ||
useReviver = revive; | ||
testEmpty(jsonify({})); | ||
testAtoB(jsonify({'a': 'b'})); | ||
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// You can write 'Map<String, dynamic>' here (or 'var' which infers the | ||
// same), but if you write just 'Map' as the type, then the type of the | ||
// constant argument in the addAll below is not inferred correctly. | ||
var map = jsonify({}); | ||
map['a'] = 'b'; | ||
testAtoB(map); | ||
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map = jsonify({}); | ||
Expect.equals('b', map.putIfAbsent('a', () => 'b')); | ||
testAtoB(map); | ||
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map = jsonify({}); | ||
map.addAll({'a': 'b'}); | ||
testAtoB(map); | ||
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testOrder(['a', 'b', 'c', 'd', 'e', 'f']); | ||
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testProto(); | ||
testToString(); | ||
testConcurrentModifications(); | ||
testType(); | ||
testClear(); | ||
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testListEntry(); | ||
testMutation(); | ||
} | ||
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void testEmpty(Map map) { | ||
for (int i = 0; i < 2; i++) { | ||
Expect.equals(0, map.length); | ||
Expect.isTrue(map.isEmpty); | ||
Expect.isFalse(map.isNotEmpty); | ||
Expect.listEquals([], map.keys.toList()); | ||
Expect.listEquals([], map.values.toList()); | ||
Expect.isNull(map['a']); | ||
Expect.listEquals([], listEach(map)); | ||
Expect.isFalse(map.containsKey('a')); | ||
Expect.isFalse(map.containsValue('a')); | ||
Expect.isNull(map.remove('a')); | ||
testLookupNonExistingKeys(map); | ||
testLookupNonExistingValues(map); | ||
map.clear(); | ||
} | ||
} | ||
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void testAtoB(Map map) { | ||
Expect.equals(1, map.length); | ||
Expect.isFalse(map.isEmpty); | ||
Expect.isTrue(map.isNotEmpty); | ||
Expect.listEquals(['a'], map.keys.toList()); | ||
Expect.listEquals(['b'], map.values.toList()); | ||
Expect.equals('b', map['a']); | ||
Expect.listEquals(['a', 'b'], listEach(map)); | ||
Expect.isTrue(map.containsKey('a')); | ||
Expect.isFalse(map.containsKey('b')); | ||
Expect.isTrue(map.containsValue('b')); | ||
Expect.isFalse(map.containsValue('a')); | ||
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testLookupNonExistingKeys(map); | ||
testLookupNonExistingValues(map); | ||
Expect.equals('b', map.remove('a')); | ||
Expect.isNull(map.remove('b')); | ||
testLookupNonExistingKeys(map); | ||
testLookupNonExistingValues(map); | ||
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map.clear(); | ||
testEmpty(map); | ||
} | ||
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void testLookupNonExistingKeys(Map map) { | ||
for (var key in ['__proto__', 'null', null]) { | ||
Expect.isNull(map[key]); | ||
Expect.isFalse(map.containsKey(key)); | ||
} | ||
} | ||
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void testLookupNonExistingValues(Map map) { | ||
for (var value in ['__proto__', 'null', null]) { | ||
Expect.isFalse(map.containsValue(value)); | ||
} | ||
} | ||
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void testOrder(List list) { | ||
if (list.isEmpty) | ||
return; | ||
else | ||
testOrder(list.skip(1).toList()); | ||
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Map original = {}; | ||
for (int i = 0; i < list.length; i++) { | ||
original[list[i]] = i; | ||
} | ||
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Map map = jsonify(original); | ||
Expect.equals(list.length, map.length); | ||
Expect.listEquals(list, map.keys.toList()); | ||
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for (int i = 0; i < 10; i++) { | ||
map["$i"] = i; | ||
Expect.equals(list.length + i + 1, map.length); | ||
Expect.listEquals(list, map.keys.take(list.length).toList()); | ||
} | ||
} | ||
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void testProto() { | ||
Map map = jsonify({'__proto__': 0}); | ||
Expect.equals(1, map.length); | ||
Expect.isTrue(map.containsKey('__proto__')); | ||
Expect.listEquals(['__proto__'], map.keys.toList()); | ||
Expect.equals(0, map['__proto__']); | ||
Expect.equals(0, map.remove('__proto__')); | ||
testEmpty(map); | ||
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map = jsonify({'__proto__': null}); | ||
Expect.equals(1, map.length); | ||
Expect.isTrue(map.containsKey('__proto__')); | ||
Expect.listEquals(['__proto__'], map.keys.toList()); | ||
Expect.isNull(map['__proto__']); | ||
Expect.isNull(map.remove('__proto__')); | ||
testEmpty(map); | ||
} | ||
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void testToString() { | ||
Expect.equals("{}", jsonify({}).toString()); | ||
Expect.equals("{a: 0}", jsonify({'a': 0}).toString()); | ||
} | ||
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void testConcurrentModifications() { | ||
void testIterate(Map map, Iterable iterable, Function f) { | ||
Iterator iterator = iterable.iterator; | ||
f(map); | ||
iterator.moveNext(); | ||
} | ||
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void testKeys(Map map, Function f) => testIterate(map, map.keys, f); | ||
void testValues(Map map, Function f) => testIterate(map, map.values, f); | ||
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void testForEach(Map map, Function f) { | ||
map.forEach((key, value) { | ||
f(map); | ||
}); | ||
} | ||
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bool throwsCME(Function f) { | ||
try { | ||
f(); | ||
} on ConcurrentModificationError catch (e) { | ||
return true; | ||
} catch (e) { | ||
return false; | ||
} | ||
return false; | ||
} | ||
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Map map = {}; | ||
Expect.isTrue(throwsCME(() => testKeys(jsonify(map), (map) => map['a'] = 0))); | ||
Expect | ||
.isTrue(throwsCME(() => testValues(jsonify(map), (map) => map['a'] = 0))); | ||
Expect.isFalse( | ||
throwsCME(() => testForEach(jsonify(map), (map) => map['a'] = 0))); | ||
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Expect.isFalse(throwsCME(() => testKeys(jsonify(map), (map) => map.clear()))); | ||
Expect | ||
.isFalse(throwsCME(() => testValues(jsonify(map), (map) => map.clear()))); | ||
Expect.isFalse( | ||
throwsCME(() => testForEach(jsonify(map), (map) => map.clear()))); | ||
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Expect.isFalse( | ||
throwsCME(() => testKeys(jsonify(map), (map) => map.remove('a')))); | ||
Expect.isFalse( | ||
throwsCME(() => testValues(jsonify(map), (map) => map.remove('a')))); | ||
Expect.isFalse( | ||
throwsCME(() => testForEach(jsonify(map), (map) => map.remove('a')))); | ||
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Expect.isTrue(throwsCME( | ||
() => testKeys(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | ||
Expect.isTrue(throwsCME( | ||
() => testValues(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | ||
Expect.isFalse(throwsCME( | ||
() => testForEach(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | ||
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Expect.isFalse( | ||
throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({})))); | ||
Expect.isFalse( | ||
throwsCME(() => testValues(jsonify(map), (map) => map.addAll({})))); | ||
Expect.isFalse( | ||
throwsCME(() => testForEach(jsonify(map), (map) => map.addAll({})))); | ||
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Expect.isTrue( | ||
throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({'a': 0})))); | ||
Expect.isTrue( | ||
throwsCME(() => testValues(jsonify(map), (map) => map.addAll({'a': 0})))); | ||
Expect.isFalse(throwsCME( | ||
() => testForEach(jsonify(map), (map) => map.addAll({'a': 0})))); | ||
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map = {'a': 1}; | ||
Expect | ||
.isFalse(throwsCME(() => testKeys(jsonify(map), (map) => map['a'] = 0))); | ||
Expect.isFalse( | ||
throwsCME(() => testValues(jsonify(map), (map) => map['a'] = 0))); | ||
Expect.isFalse( | ||
throwsCME(() => testForEach(jsonify(map), (map) => map['a'] = 0))); | ||
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Expect.isTrue(throwsCME(() => testKeys(jsonify(map), (map) => map['b'] = 0))); | ||
Expect | ||
.isTrue(throwsCME(() => testValues(jsonify(map), (map) => map['b'] = 0))); | ||
Expect.isTrue( | ||
throwsCME(() => testForEach(jsonify(map), (map) => map['b'] = 0))); | ||
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Expect.isTrue(throwsCME(() => testKeys(jsonify(map), (map) => map.clear()))); | ||
Expect | ||
.isTrue(throwsCME(() => testValues(jsonify(map), (map) => map.clear()))); | ||
Expect | ||
.isTrue(throwsCME(() => testForEach(jsonify(map), (map) => map.clear()))); | ||
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Expect.isTrue( | ||
throwsCME(() => testKeys(jsonify(map), (map) => map.remove('a')))); | ||
Expect.isTrue( | ||
throwsCME(() => testValues(jsonify(map), (map) => map.remove('a')))); | ||
Expect.isTrue( | ||
throwsCME(() => testForEach(jsonify(map), (map) => map.remove('a')))); | ||
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Expect.isFalse( | ||
throwsCME(() => testKeys(jsonify(map), (map) => map.remove('b')))); | ||
Expect.isFalse( | ||
throwsCME(() => testValues(jsonify(map), (map) => map.remove('b')))); | ||
Expect.isFalse( | ||
throwsCME(() => testForEach(jsonify(map), (map) => map.remove('b')))); | ||
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Expect.isFalse(throwsCME( | ||
() => testKeys(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | ||
Expect.isFalse(throwsCME( | ||
() => testValues(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | ||
Expect.isFalse(throwsCME( | ||
() => testForEach(jsonify(map), (map) => map.putIfAbsent('a', () => 0)))); | ||
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Expect.isTrue(throwsCME( | ||
() => testKeys(jsonify(map), (map) => map.putIfAbsent('b', () => 0)))); | ||
Expect.isTrue(throwsCME( | ||
() => testValues(jsonify(map), (map) => map.putIfAbsent('b', () => 0)))); | ||
Expect.isTrue(throwsCME( | ||
() => testForEach(jsonify(map), (map) => map.putIfAbsent('b', () => 0)))); | ||
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Expect.isFalse( | ||
throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({})))); | ||
Expect.isFalse( | ||
throwsCME(() => testValues(jsonify(map), (map) => map.addAll({})))); | ||
Expect.isFalse( | ||
throwsCME(() => testForEach(jsonify(map), (map) => map.addAll({})))); | ||
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Expect.isFalse( | ||
throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({'a': 0})))); | ||
Expect.isFalse( | ||
throwsCME(() => testValues(jsonify(map), (map) => map.addAll({'a': 0})))); | ||
Expect.isFalse(throwsCME( | ||
() => testForEach(jsonify(map), (map) => map.addAll({'a': 0})))); | ||
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Expect.isTrue( | ||
throwsCME(() => testKeys(jsonify(map), (map) => map.addAll({'b': 0})))); | ||
Expect.isTrue( | ||
throwsCME(() => testValues(jsonify(map), (map) => map.addAll({'b': 0})))); | ||
Expect.isTrue(throwsCME( | ||
() => testForEach(jsonify(map), (map) => map.addAll({'b': 0})))); | ||
} | ||
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void testType() { | ||
var map = jsonify({}); | ||
var type = "${map.runtimeType}"; | ||
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// The documentation of json.decode doesn't actually specify that it returns | ||
// a map (it's marked dynamic), but it's a reasonable expectation if you | ||
// don't provide a reviver function. | ||
Expect.isTrue(map is Map, type); | ||
Expect.isTrue(map is Map<String, dynamic>, type); | ||
Expect.isFalse(map is Map<int, dynamic>, type); | ||
} | ||
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void testClear() { | ||
Map map = jsonify({'a': 0}); | ||
map.clear(); | ||
Expect.equals(0, map.length); | ||
} | ||
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void testListEntry() { | ||
Map map = jsonify({ | ||
'a': [ | ||
7, | ||
8, | ||
{'b': 9} | ||
] | ||
}); | ||
List list = map['a']; | ||
Expect.equals(3, list.length); | ||
Expect.equals(7, list[0]); | ||
Expect.equals(8, list[1]); | ||
Expect.equals(9, list[2]['b']); | ||
} | ||
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void testMutation() { | ||
Map map = jsonify({'a': 0}); | ||
Expect.listEquals(['a', 0], listEach(map)); | ||
map['a'] = 1; | ||
Expect.listEquals(['a', 1], listEach(map)); | ||
map['a']++; | ||
Expect.listEquals(['a', 2], listEach(map)); | ||
} |
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