tests/compiler/dart2js/incremental/hello_test.dart

// 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.

// Test a sequence of modifications to hello-world which used to cause problems
// on Try Dart.

import 'dart:io' show Platform;

import 'dart:async' show Future;

import 'package:dart2js_incremental/dart2js_incremental.dart'
    show IncrementalCompiler;

import 'package:compiler/compiler.dart' show Diagnostic;

import 'package:compiler/src/null_compiler_output.dart' show NullCompilerOutput;

import 'package:compiler/src/old_to_new_api.dart'
    show LegacyCompilerDiagnostics;

import 'package:async_helper/async_helper.dart' show asyncTest;

import 'package:expect/expect.dart' show Expect;

import '../memory_source_file_helper.dart' show MemorySourceFileProvider;

var tests = {
  '/test1.dart': '''
var greeting = "Hello, World!";

void main() {
  print(greeting);
}
''',
  '/test2.dart': '''
va greeting = "Hello, World!";

void main() {
  print(greeting);
}
''',
  '/test3.dart': '''
 greeting = "Hello, World!";

void main() {
  print(greeting);
}
''',
  '/test4.dart': '''
in greeting = "Hello, World!";

void main() {
  print(greeting);
}
''',
  '/test5.dart': '''
int greeting = "Hello, World!";

void main() {
  print(greeting);
}
''',
};

var testResults = {
  '/test1.dart': true,
  '/test2.dart': true,
  '/test3.dart': false,
  '/test4.dart': false,
  '/test5.dart': true,
};

main() {
  Uri libraryRoot = Uri.base.resolve('sdk/');
  Uri packageConfig = Uri.base.resolve('.packages');
  MemorySourceFileProvider provider = new MemorySourceFileProvider(tests);
  asyncTest(() => runTests(libraryRoot, packageConfig, provider));
}

Future runTests(
    Uri libraryRoot, Uri packageConfig, MemorySourceFileProvider provider) {
  IncrementalCompiler compiler = new IncrementalCompiler(
      diagnosticHandler: new LegacyCompilerDiagnostics(handler),
      inputProvider: provider,
      outputProvider: const NullCompilerOutput(),
      options: ['--analyze-main'],
      libraryRoot: libraryRoot,
      packageConfig: packageConfig);

  return Future.forEach(tests.keys, (String testName) {
    Uri testUri = Uri.parse('memory:$testName');
    return compiler.compile(testUri).then((bool success) {
      Expect.equals(testResults[testName], success,
          'Compilation unexpectedly ${success ? "succeed" : "failed"}.');
    });
  });
}

void handler(Uri uri, int begin, int end, String message, Diagnostic kind) {
  if (kind != Diagnostic.VERBOSE_INFO) {
    print('$uri:$begin:$end:$message:$kind');
  }
}