// 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.

/// Unittest test of the CPS ir generated by the analyzer2dart compiler.

import 'mock_sdk.dart';
import 'package:analyzer/file_system/memory_file_system.dart';
import 'package:analyzer/src/generated/element.dart';
import 'package:analyzer/src/generated/sdk.dart';
import 'package:analyzer/src/generated/source.dart';
import 'package:compiler/src/cps_ir/cps_ir_nodes_sexpr.dart';
import 'package:unittest/unittest.dart';

import '../lib/src/closed_world.dart';
import '../lib/src/driver.dart';
import '../lib/src/converted_world.dart';
import 'output_helper.dart';
import 'test_helper.dart';
import 'sexpr_data.dart';

main() {
  performTests(TEST_DATA, unittester, checkResult);
}

checkResult(TestSpec result) {
  String input = result.input.trim();
  String expectedOutput = result.output.trim();
  CollectingOutputProvider outputProvider = new CollectingOutputProvider();
  MemoryResourceProvider provider = new MemoryResourceProvider();
  DartSdk sdk = new MockSdk();
  Driver driver = new Driver(provider, sdk, outputProvider);
  String rootFile = '/root.dart';
  provider.newFile(rootFile, input);
  Source rootSource = driver.setRoot(rootFile);
  FunctionElement entryPoint = driver.resolveEntryPoint(rootSource);
  ClosedWorld world = driver.computeWorld(entryPoint);
  ConvertedWorld convertedWorld = convertWorld(world);
  String output = convertedWorld.getIr(convertedWorld.mainFunction)
      .accept(new SExpressionStringifier());
  expect(output, equals(expectedOutput),
      reason: 'Input:\n$input\n'
              'Expected:\n$expectedOutput\n'
              'Actual:\n$output');
}