Joshua Litt
20faaa5d94
Change-Id: Ib18f554c1076f27a3f7c0df5a36410da41a1f467 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/148784 Reviewed-by: Paul Berry <paulberry@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
97 lines
2.2 KiB
Dart
97 lines
2.2 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.7
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import 'package:expect/expect.dart';
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import 'package:compiler/src/helpers/helpers.dart';
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class CollectingOutput implements StatsOutput {
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final StringBuffer sb = new StringBuffer();
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@override
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void println(String text) {
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sb.write('$text\n');
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}
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@override
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String toString() => sb.toString();
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}
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void main() {
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testRecordElement();
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testRecordFrequency();
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testRecordCounter();
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}
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void testRecordElement() {
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test((Stats stats) {
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stats.recordElement('foo', 'a', data: 'first-a-data');
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stats.recordElement('foo', 'a', data: 'second-a-data');
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stats.recordElement('foo', 'b');
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stats.recordElement('bar', 'a', data: 'third-a-data');
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stats.recordElement('bar', 'c');
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}, r'''
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foo: 2
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value=a data=second-a-data
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b
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bar: 2
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value=a data=third-a-data
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c
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''');
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}
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void testRecordFrequency() {
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test((Stats stats) {
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stats.recordFrequency('foo', 'a', 'first-a-data');
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stats.recordFrequency('foo', 'a', 'second-a-data');
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stats.recordFrequency('bar', 'b', 'first-b-data');
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stats.recordFrequency('foo', 'c');
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stats.recordFrequency('bar', 'b');
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}, r'''
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foo:
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a: 2
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first-a-data
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second-a-data
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c: 1
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bar:
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b: 2
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first-b-data
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''');
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}
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void testRecordCounter() {
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test((Stats stats) {
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stats.recordCounter('foo', 'a');
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stats.recordCounter('foo', 'a');
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stats.recordCounter('foo', 'b');
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stats.recordCounter('bar', 'c', 'first-c-data');
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stats.recordCounter('bar', 'c', 'second-c-data');
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stats.recordCounter('bar', 'd');
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stats.recordCounter('bar', 'd');
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stats.recordCounter('baz');
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stats.recordCounter('baz');
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}, r'''
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foo: 3
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count=2 example=a
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count=1 example=b
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bar: 4
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count=2 examples=2
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c:
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first-c-data
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second-c-data
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d
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baz: 2
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''');
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}
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void test(f(Stats stats), expectedDump) {
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CollectingOutput output = new CollectingOutput();
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Stats stats = new ActiveStats(new ConsolePrinter(output: output));
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f(stats);
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stats.dumpStats();
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print(output.toString());
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Expect.equals(expectedDump, output.toString());
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}
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