Split source_mapping_test pr. test file.

tests/compiler/dart2js/sourcemaps/source_mapping_test.dart

-// Copyright (c) 2015, 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.
-
-import 'dart:async';
-import 'package:async_helper/async_helper.dart';
-import 'package:expect/expect.dart';
-import 'sourcemap_helper.dart';
-
-main(List<String> arguments) {
-  Set<String> configurations = new Set<String>();
-  Set<String> files = new Set<String>();
-  for (String argument in arguments) {
-    if (!parseArgument(argument, configurations, files)) {
-      return;
-    }
-  }
-
-  if (configurations.isEmpty) {
-    configurations.addAll(TEST_CONFIGURATIONS.keys);
-    configurations.remove('old');
-  }
-  if (files.isEmpty) {
-    files.addAll(TEST_FILES.keys);
-  }
-
-  asyncTest(() async {
-    bool missingCodePointsFound = false;
-    for (String config in configurations) {
-      List<String> options = TEST_CONFIGURATIONS[config];
-      for (String file in files) {
-        String filename = TEST_FILES[file];
-        TestResult result = await runTests(config, filename, options);
-        if (result.failureMap.isNotEmpty) {
-          result.failureMap.forEach((info, missingCodePoints) {
-            print("Missing code points for ${info.element} in '$filename' "
-                  "in config '$config':");
-            for (CodePoint codePoint in missingCodePoints) {
-              print("  $codePoint");
-            }
-          });
-          missingCodePointsFound = true;
-        }
-      }
-    }
-    Expect.isFalse(missingCodePointsFound,
-        "Missing code points found. "
-        "Run the test with a URI option, "
-        "`source_mapping_test_viewer [--out=<uri>] [configs] [tests]`, to "
-        "create a html visualization of the missing code points.");
-  });
-}
-
-/// Parse [argument] for a valid configuration or test-file option.
-///
-/// On success, the configuration name is added to [configurations] or the
-/// test-file name is added to [files], and `true` is returned.
-/// On failure, a message is printed and `false` is returned.
-///
-bool parseArgument(String argument,
-                   Set<String> configurations,
-                   Set<String> files) {
-  if (TEST_CONFIGURATIONS.containsKey(argument)) {
-    configurations.add(argument);
-  } else if (TEST_FILES.containsKey(argument)) {
-    files.add(argument);
-  } else {
-    print("Unknown configuration or file '$argument'. "
-          "Must be one of '${TEST_CONFIGURATIONS.keys.join("', '")}' or "
-          "'${TEST_FILES.keys.join("', '")}'.");
-    return false;
-  }
-  return true;
-}
-
-const Map<String, List<String>> TEST_CONFIGURATIONS = const {
-  'ssa': const ['--use-new-source-info', ],
-  'cps': const ['--use-new-source-info', '--use-cps-ir'],
-  'old': const [],
-};
-
-const Map<String, String> TEST_FILES = const <String, String>{
-  'invokes': 'tests/compiler/dart2js/sourcemaps/invokes_test_file.dart',
-  'operators': 'tests/compiler/dart2js/sourcemaps/operators_test_file.dart',
-};
-
-Future<TestResult> runTests(
-    String config,
-    String filename,
-    List<String> options,
-    {bool verbose: true}) async {
-  SourceMapProcessor processor = new SourceMapProcessor(filename);
-  List<SourceMapInfo> infoList = await processor.process(
-      ['--csp', '--disable-inlining']
-      ..addAll(options),
-      verbose: verbose);
-  TestResult result = new TestResult(config, filename, processor);
-  for (SourceMapInfo info in infoList) {
-    if (info.element.library.isPlatformLibrary) continue;
-    result.userInfoList.add(info);
-    Iterable<CodePoint> missingCodePoints =
-        info.codePoints.where((c) => c.isMissing);
-    if (missingCodePoints.isNotEmpty) {
-      result.failureMap[info] = missingCodePoints;
-    }
-  }
-  return result;
-}
-
-class TestResult {
-  final String config;
-  final String file;
-  final SourceMapProcessor processor;
-  List<SourceMapInfo> userInfoList = <SourceMapInfo>[];
-  Map<SourceMapInfo, Iterable<CodePoint>> failureMap =
-      <SourceMapInfo, Iterable<CodePoint>>{};
-
-  TestResult(this.config, this.file, this.processor);
-}