Johnni Winther
1fc66812bf
- add 'async_await' folder for testing async/await transformation - add 'codegen' folder for testing of generated code - add 'end_to_end' folder for testing of command-line interaction Change-Id: Ic262db98d6156175bf53fcc53443cc2b273dd404 Reviewed-on: https://dart-review.googlesource.com/30780 Reviewed-by: Sigmund Cherem <sigmund@google.com>
107 lines
2.5 KiB
Dart
107 lines
2.5 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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// Test constant folding on numbers.
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import 'package:async_helper/async_helper.dart';
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import '../compiler_helper.dart';
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const String INT_PLUS_ZERO = """
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int foo(x) => x;
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void main() {
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var x = foo(0);
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return (x & 1) + 0;
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}
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""";
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const String ZERO_PLUS_INT = """
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int foo(x) => x;
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void main() {
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var x = foo(0);
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return 0 + (x & 1);
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}
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""";
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// TODO(johnniwinther): Find out why this doesn't work without the `as num`
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// cast.
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const String NUM_PLUS_ZERO = """
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int foo(x) => x;
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void main() {
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var x = foo(0) as num;
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return x + 0;
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}
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""";
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const String ZERO_PLUS_NUM = """
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int foo(x) => x;
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void main() {
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var x = foo(0);
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return 0 + x;
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}
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""";
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const String INT_TIMES_ONE = """
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int foo(x) => x;
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void main() {
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var x = foo(0);
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return (x & 1) * 1;
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}
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""";
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const String ONE_TIMES_INT = """
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int foo(x) => x;
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void main() {
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var x = foo(0);
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return 1 * (x & 1);
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}
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""";
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const String NUM_TIMES_ONE = """
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int foo(x) => x;
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void main() {
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var x = foo(0);
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return x * 1;
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}
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""";
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const String ONE_TIMES_NUM = """
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int foo(x) => x;
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void main() {
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var x = foo(0);
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return 1 * x;
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}
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""";
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main() {
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var plusZero = new RegExp(r"\+ 0");
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var zeroPlus = new RegExp(r"0 \+");
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var timesOne = new RegExp(r"\* 1");
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var oneTimes = new RegExp(r"1 \*");
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test({bool useKernel}) async {
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await compileAndDoNotMatch(INT_PLUS_ZERO, 'main', plusZero,
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useKernel: useKernel);
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await compileAndDoNotMatch(ZERO_PLUS_INT, 'main', zeroPlus,
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useKernel: useKernel);
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await compileAndMatch(NUM_PLUS_ZERO, 'main', plusZero,
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useKernel: useKernel);
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await compileAndMatch(ZERO_PLUS_NUM, 'main', zeroPlus,
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useKernel: useKernel);
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await compileAndDoNotMatch(INT_TIMES_ONE, 'main', timesOne,
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useKernel: useKernel);
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await compileAndDoNotMatch(ONE_TIMES_INT, 'main', oneTimes,
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useKernel: useKernel);
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await compileAndDoNotMatch(NUM_TIMES_ONE, 'main', timesOne,
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useKernel: useKernel);
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await compileAndDoNotMatch(ONE_TIMES_NUM, 'main', oneTimes,
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useKernel: useKernel);
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}
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asyncTest(() async {
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print('--test from ast---------------------------------------------------');
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await test(useKernel: false);
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print('--test from kernel------------------------------------------------');
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await test(useKernel: true);
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});
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}
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