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Unified Diff: pkg/analyzer/test/services/formatter_test.dart

Issue 1001403002: Remove the old formatter from analyzer. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 5 years, 9 months ago
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Index: pkg/analyzer/test/services/formatter_test.dart
diff --git a/pkg/analyzer/test/services/formatter_test.dart b/pkg/analyzer/test/services/formatter_test.dart
deleted file mode 100644
index b039e0603c7db5e7ef5ca87f4c14c46cbb38ddf8..0000000000000000000000000000000000000000
--- a/pkg/analyzer/test/services/formatter_test.dart
+++ /dev/null
@@ -1,1416 +0,0 @@
-// Copyright (c) 2013, 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.
-
-library formatter_test;
-
-import 'dart:io';
-
-import 'package:path/path.dart';
-import 'package:unittest/unittest.dart';
-
-import 'package:analyzer/src/generated/scanner.dart';
-import 'package:analyzer/src/services/formatter_impl.dart';
-import 'package:analyzer/src/services/writer.dart';
-
-// Test data location ('pkg/analyzer/test/services/data')
-final TEST_DATA_DIR = join(dirname(fromUri(Platform.script)), 'data');
-
-main() {
-
- /// Data-driven statement tests
- group('stmt_tests.data', () {
- // NOTE: statement tests are run with transforms enabled
- runTests('stmt_tests.data', (input, expectedOutput) {
- expect(formatStatement(input,
- options: new FormatterOptions(codeTransforms: true)) +
- '\n', equals(expectedOutput));
- });
- });
-
- /// Data-driven compilation unit tests
- group('cu_tests.data', () {
- runTests('cu_tests.data', (input, expectedOutput) {
- expectCUFormatsTo(input, expectedOutput);
- });
- });
-
- /// Data-driven Style Guide acceptance tests
- group('style_guide_tests.data', () {
- runTests('style_guide_tests.data', (input, expectedOutput) {
- expectCUFormatsTo(input, expectedOutput);
- });
- });
-
- /// Data-driven wrapping tests
- group('wrap_tests.data', () {
- runTests('wrap_tests.data', (input, expectedOutput) {
- expectCUFormatsTo(input, expectedOutput);
- });
- });
-
- /// Formatter tests
- group('formatter', () {
- test('failed parse', () {
- var formatter = new CodeFormatter();
- expect(() => formatter.format(CodeKind.COMPILATION_UNIT, '~'),
- throwsA(new isInstanceOf<FormatterException>()));
- });
-
- test('indent', () {
- var original = 'class A {\n'
- ' var z;\n'
- ' inc(int x) => ++x;\n'
- ' foo(int x) {\n'
- ' if (x == 0) {\n'
- ' return true;\n'
- ' }\n'
- ' }\n'
- '}\n';
- expectCUFormatsTo(original, original);
- expectIndentFormatsTo(3, false, original, 'class A {\n'
- ' var z;\n'
- ' inc(int x) => ++x;\n'
- ' foo(int x) {\n'
- ' if (x == 0) {\n'
- ' return true;\n'
- ' }\n'
- ' }\n'
- '}\n');
- expectIndentFormatsTo(1, true, original, 'class A {\n'
- '\tvar z;\n'
- '\tinc(int x) => ++x;\n'
- '\tfoo(int x) {\n'
- '\t\tif (x == 0) {\n'
- '\t\t\treturn true;\n'
- '\t\t}\n'
- '\t}\n'
- '}\n');
- });
-
- test('CU (1)', () {
- expectCUFormatsTo('class A {\n'
- ' var z;\n'
- ' inc(int x) => ++x;\n'
- '}\n', 'class A {\n'
- ' var z;\n'
- ' inc(int x) => ++x;\n'
- '}\n');
- });
-
- test('CU (2)', () {
- expectCUFormatsTo('class A { \n'
- '}\n', 'class A {\n'
- '}\n');
- });
-
- test('CU (3)', () {
- expectCUFormatsTo('class A {\n'
- ' }', 'class A {\n'
- '}\n');
- });
-
- test('CU (4)', () {
- expectCUFormatsTo(' class A {\n'
- '}\n', 'class A {\n'
- '}\n');
- });
-
- test('CU (5)', () {
- expectCUFormatsTo('class A { int meaningOfLife() => 42; }', 'class A {\n'
- ' int meaningOfLife() => 42;\n'
- '}\n');
- });
-
- test('CU - EOL comments', () {
- expectCUFormatsTo('//comment one\n\n'
- '//comment two\n\n', '//comment one\n\n'
- '//comment two\n\n');
- expectCUFormatsTo('var x; //x\n', 'var x; //x\n');
- expectCUFormatsTo('library foo;\n'
- '\n'
- '//comment one\n'
- '\n'
- 'class C {\n'
- '}\n', 'library foo;\n'
- '\n'
- '//comment one\n'
- '\n'
- 'class C {\n'
- '}\n');
- expectCUFormatsTo('library foo;\n'
- '\n'
- '//comment one\n'
- '\n'
- '//comment two\n'
- '\n'
- 'class C {\n'
- '}\n', 'library foo;\n'
- '\n'
- '//comment one\n'
- '\n'
- '//comment two\n'
- '\n'
- 'class C {\n'
- '}\n');
- expectCUFormatsTo('main() {\n'
- '// print(1);\n'
- '// print(2);\n'
- ' print(3);\n'
- '}\n', 'main() {\n'
- '// print(1);\n'
- '// print(2);\n'
- ' print(3);\n'
- '}\n');
- expectCUFormatsTo('class A {\n'
- '// int a;\n'
- '// int b;\n'
- ' int c;\n'
- '}\n', 'class A {\n'
- '// int a;\n'
- '// int b;\n'
- ' int c;\n'
- '}\n');
- });
-
- test('CU - nested functions', () {
- expectCUFormatsTo('x() {\n'
- ' y() {\n'
- ' }\n'
- '}\n', 'x() {\n'
- ' y() {\n'
- ' }\n'
- '}\n');
- });
-
- test('CU - top level', () {
- expectCUFormatsTo('\n\n'
- 'foo() {\n'
- '}\n'
- 'bar() {\n'
- '}\n', '\n\n'
- 'foo() {\n'
- '}\n'
- 'bar() {\n'
- '}\n');
- expectCUFormatsTo('const A = 42;\n'
- 'final foo = 32;\n', 'const A = 42;\n'
- 'final foo = 32;\n');
- });
-
- test('CU - imports', () {
- expectCUFormatsTo('import "dart:io";\n\n'
- 'import "package:unittest/unittest.dart";\n'
- 'foo() {\n'
- '}\n', 'import "dart:io";\n\n'
- 'import "package:unittest/unittest.dart";\n'
- 'foo() {\n'
- '}\n');
- expectCUFormatsTo('library a; class B { }', 'library a;\n'
- 'class B {}\n');
- });
-
- test('CU - method invocations', () {
- expectCUFormatsTo('class A {\n'
- ' foo() {\n'
- ' bar();\n'
- ' for (int i = 0; i < 42; i++) {\n'
- ' baz();\n'
- ' }\n'
- ' }\n'
- '}\n', 'class A {\n'
- ' foo() {\n'
- ' bar();\n'
- ' for (int i = 0; i < 42; i++) {\n'
- ' baz();\n'
- ' }\n'
- ' }\n'
- '}\n');
- });
-
- test('CU w/class decl comment', () {
- expectCUFormatsTo('import "foo";\n\n'
- '//Killer class\n'
- 'class A {\n'
- '}', 'import "foo";\n\n'
- '//Killer class\n'
- 'class A {\n'
- '}\n');
- });
-
- test('CU (method body)', () {
- expectCUFormatsTo('class A {\n'
- ' foo(path) {\n'
- ' var buffer = new StringBuffer();\n'
- ' var file = new File(path);\n'
- ' return file;\n'
- ' }\n'
- '}\n', 'class A {\n'
- ' foo(path) {\n'
- ' var buffer = new StringBuffer();\n'
- ' var file = new File(path);\n'
- ' return file;\n'
- ' }\n'
- '}\n');
- expectCUFormatsTo('class A {\n'
- ' foo(files) {\n'
- ' for (var file in files) {\n'
- ' print(file);\n'
- ' }\n'
- ' }\n'
- '}\n', 'class A {\n'
- ' foo(files) {\n'
- ' for (var file in files) {\n'
- ' print(file);\n'
- ' }\n'
- ' }\n'
- '}\n');
- });
-
- test('CU (method indent)', () {
- expectCUFormatsTo('class A {\n'
- 'void x(){\n'
- '}\n'
- '}\n', 'class A {\n'
- ' void x() {\n'
- ' }\n'
- '}\n');
- });
-
- test('CU (method indent - 2)', () {
- expectCUFormatsTo('class A {\n'
- ' static bool x(){\n'
- 'return true; }\n'
- ' }\n', 'class A {\n'
- ' static bool x() {\n'
- ' return true;\n'
- ' }\n'
- '}\n');
- });
-
- test('CU (method indent - 3)', () {
- expectCUFormatsTo('class A {\n'
- ' int x() => 42 + 3 ; \n'
- ' }\n', 'class A {\n'
- ' int x() => 42 + 3;\n'
- '}\n');
- });
-
- test('CU (method indent - 4)', () {
- expectCUFormatsTo('class A {\n'
- ' int x() { \n'
- 'if (true) {\n'
- 'return 42;\n'
- '} else {\n'
- 'return 13;\n }\n'
- ' }'
- '}\n', 'class A {\n'
- ' int x() {\n'
- ' if (true) {\n'
- ' return 42;\n'
- ' } else {\n'
- ' return 13;\n'
- ' }\n'
- ' }\n'
- '}\n');
- });
-
- test('CU (multiple members)', () {
- expectCUFormatsTo('class A {\n'
- '}\n'
- 'class B {\n'
- '}\n', 'class A {\n'
- '}\n'
- 'class B {\n'
- '}\n');
- });
-
- test('CU (multiple members w/blanks)', () {
- expectCUFormatsTo('class A {\n'
- '}\n\n'
- 'class B {\n\n\n'
- ' int b() => 42;\n\n'
- ' int c() => b();\n\n'
- '}\n', 'class A {\n'
- '}\n\n'
- 'class B {\n\n\n'
- ' int b() => 42;\n\n'
- ' int c() => b();\n\n'
- '}\n');
- });
-
- test('CU - Block comments', () {
- expectCUFormatsTo('/** Old school class comment */\n'
- 'class C {\n'
- ' /** Foo! */ int foo() => 42;\n'
- '}\n', '/** Old school class comment */\n'
- 'class C {\n'
- ' /** Foo! */\n'
- ' int foo() => 42;\n'
- '}\n');
- expectCUFormatsTo('library foo;\n'
- 'class C /* is cool */ {\n'
- ' /* int */ foo() => 42;\n'
- '}\n', 'library foo;\n'
- 'class C /* is cool */ {\n'
- ' /* int */ foo() => 42;\n'
- '}\n');
- expectCUFormatsTo('library foo;\n'
- '/* A long\n'
- ' * Comment\n'
- '*/\n'
- 'class C /* is cool */ {\n'
- ' /* int */ foo() => 42;\n'
- '}\n', 'library foo;\n'
- '/* A long\n'
- ' * Comment\n'
- '*/\n'
- 'class C /* is cool */ {\n'
- ' /* int */ foo() => 42;\n'
- '}\n');
- expectCUFormatsTo('library foo;\n'
- '/* A long\n'
- ' * Comment\n'
- '*/\n'
- '\n'
- '/* And\n'
- ' * another...\n'
- '*/\n'
- '\n'
- '// Mixing it up\n'
- '\n'
- 'class C /* is cool */ {\n'
- ' /* int */ foo() => 42;\n'
- '}\n', 'library foo;\n'
- '/* A long\n'
- ' * Comment\n'
- '*/\n'
- '\n'
- '/* And\n'
- ' * another...\n'
- '*/\n'
- '\n'
- '// Mixing it up\n'
- '\n'
- 'class C /* is cool */ {\n'
- ' /* int */ foo() => 42;\n'
- '}\n');
- expectCUFormatsTo('/// Copyright info\n'
- '\n'
- 'library foo;\n'
- '/// Class comment\n'
- '//TODO: implement\n'
- 'class C {\n'
- '}\n', '/// Copyright info\n'
- '\n'
- 'library foo;\n'
- '/// Class comment\n'
- '//TODO: implement\n'
- 'class C {\n'
- '}\n');
- });
-
- test('CU - mixed comments', () {
- expectCUFormatsTo('library foo;\n'
- '\n'
- '\n'
- '/* Comment 1 */\n'
- '\n'
- '// Comment 2\n'
- '\n'
- '/* Comment 3 */', 'library foo;\n'
- '\n'
- '\n'
- '/* Comment 1 */\n'
- '\n'
- '// Comment 2\n'
- '\n'
- '/* Comment 3 */\n');
- });
-
- test('CU - comments (EOF)', () {
- expectCUFormatsTo('library foo; //zamm',
- 'library foo; //zamm\n' //<-- note extra NEWLINE
- );
- });
-
- test('CU - comments (0)', () {
- expectCUFormatsTo('library foo; //zamm\n'
- '\n'
- 'class A {\n'
- '}\n', 'library foo; //zamm\n'
- '\n'
- 'class A {\n'
- '}\n');
- });
-
- test('CU - comments (1)', () {
- expectCUFormatsTo('/* foo */ /* bar */\n', '/* foo */ /* bar */\n');
- });
-
- test('CU - comments (2)', () {
- expectCUFormatsTo('/** foo */ /** bar */\n', '/** foo */\n'
- '/** bar */\n');
- });
-
- test('CU - comments (3)', () {
- expectCUFormatsTo('var x; //x\n', 'var x; //x\n');
- });
-
- test('CU - comments (4)', () {
- expectCUFormatsTo('class X { //X!\n'
- '}', 'class X { //X!\n'
- '}\n');
- });
-
- test('CU - comments (5)', () {
- expectCUFormatsTo('//comment one\n\n'
- '//comment two\n\n', '//comment one\n\n'
- '//comment two\n\n');
- });
-
- test('CU - comments (6)', () {
- expectCUFormatsTo('var x; //x\n', 'var x; //x\n');
- });
-
- test('CU - comments (6)', () {
- expectCUFormatsTo('var /* int */ x; //x\n', 'var /* int */ x; //x\n');
- });
-
- test('CU - comments (7)', () {
- expectCUFormatsTo('library foo;\n'
- '\n'
- '/// Docs\n'
- '/// spanning\n'
- '/// lines.\n'
- 'class A {\n'
- '}\n'
- '\n'
- '/// ... and\n'
- '\n'
- '/// Dangling ones too\n'
- 'int x;\n', 'library foo;\n'
- '\n'
- '/// Docs\n'
- '/// spanning\n'
- '/// lines.\n'
- 'class A {\n'
- '}\n'
- '\n'
- '/// ... and\n'
- '\n'
- '/// Dangling ones too\n'
- 'int x;\n');
- });
-
- test('CU - comments (8)', () {
- expectCUFormatsTo('var x /* X */, y;\n', 'var x /* X */, y;\n');
- });
-
- test('CU - comments (9)', () {
- expectCUFormatsTo('main() {\n'
- ' foo(1 /* bang */, 2);\n'
- '}\n'
- 'foo(x, y) => null;\n', 'main() {\n'
- ' foo(1 /* bang */, 2);\n'
- '}\n'
- 'foo(x, y) => null;\n');
- });
-
- test('CU - comments (10)', () {
- expectCUFormatsTo(
- 'var l = [1 /* bang */, 2];\n', 'var l = [1 /* bang */, 2];\n');
- });
-
- test('CU - comments (11)', () {
- expectCUFormatsTo('var m = {1: 2 /* bang */, 3: 4};\n', 'var m = {\n'
- ' 1: 2 /* bang */,\n'
- ' 3: 4\n'
- '};\n');
- });
-
- test('CU - EOF nl', () {
- expectCUFormatsTo('var x = 1;', 'var x = 1;\n');
- });
-
- test('CU - constructor', () {
- expectCUFormatsTo('class A {\n'
- ' const _a;\n'
- ' A();\n'
- ' int a() => _a;\n'
- '}\n', 'class A {\n'
- ' const _a;\n'
- ' A();\n'
- ' int a() => _a;\n'
- '}\n');
- });
-
- test('CU - method decl w/ named params', () {
- expectCUFormatsTo('class A {\n'
- ' int a(var x, {optional: null}) => null;\n'
- '}\n', 'class A {\n'
- ' int a(var x, {optional: null}) => null;\n'
- '}\n');
- });
-
- test('CU - method decl w/ optional params', () {
- expectCUFormatsTo('class A {\n'
- ' int a(var x, [optional = null]) => null;\n'
- '}\n', 'class A {\n'
- ' int a(var x, [optional = null]) => null;\n'
- '}\n');
- });
-
- test('CU - factory constructor redirects', () {
- expectCUFormatsTo('class A {\n'
- ' const factory A() = B;\n'
- '}\n', 'class A {\n'
- ' const factory A() = B;\n'
- '}\n');
- });
-
- test('CU - constructor auto field inits', () {
- expectCUFormatsTo('class A {\n'
- ' int _a;\n'
- ' A(this._a);\n'
- '}\n', 'class A {\n'
- ' int _a;\n'
- ' A(this._a);\n'
- '}\n');
- });
-
- test('CU - parts', () {
- expectCUFormatsTo('part of foo;', 'part of foo;\n');
- });
-
- test('CU (cons inits)', () {
- expectCUFormatsTo('class X {\n'
- ' var x, y;\n'
- ' X() : x = 1, y = 2;\n'
- '}\n', 'class X {\n'
- ' var x, y;\n'
- ' X()\n'
- ' : x = 1,\n'
- ' y = 2;\n'
- '}\n');
- });
-
- test('CU (empty cons bodies)', () {
- expectCUFormatsTo('class A {\n'
- ' A() {\n'
- ' }\n'
- '}\n', 'class A {\n'
- ' A();\n'
- '}\n', transforms: true);
- expectCUFormatsTo('class A {\n'
- ' A() {\n'
- ' }\n'
- '}\n', 'class A {\n'
- ' A() {\n'
- ' }\n'
- '}\n', transforms: false);
- });
-
- test('stmt', () {
- expectStmtFormatsTo('if (true){\n'
- 'if (true){\n'
- 'if (true){\n'
- 'return true;\n'
- '} else{\n'
- 'return false;\n'
- '}\n'
- '}\n'
- '}else{\n'
- 'return false;\n'
- '}', 'if (true) {\n'
- ' if (true) {\n'
- ' if (true) {\n'
- ' return true;\n'
- ' } else {\n'
- ' return false;\n'
- ' }\n'
- ' }\n'
- '} else {\n'
- ' return false;\n'
- '}');
- });
-
- test('stmt (switch)', () {
- expectStmtFormatsTo('switch (fruit) {\n'
- 'case "apple":\n'
- 'print("delish");\n'
- 'break;\n'
- 'case "fig":\n'
- 'print("bleh");\n'
- 'break;\n'
- '}', 'switch (fruit) {\n'
- ' case "apple":\n'
- ' print("delish");\n'
- ' break;\n'
- ' case "fig":\n'
- ' print("bleh");\n'
- ' break;\n'
- '}');
- });
-
- test('stmt (empty while body)', () {
- expectStmtFormatsTo('while (true);', 'while (true);');
- });
-
- test('stmt (empty for body)', () {
- expectStmtFormatsTo('for ( ; ; );', 'for ( ; ; );');
- });
-
- test('stmt (cascades)', () {
- expectStmtFormatsTo('"foo"\n'
- '..toString()\n'
- '..toString();', '"foo"\n'
- ' ..toString()\n'
- ' ..toString();');
- });
-
- test('stmt (generics)', () {
- expectStmtFormatsTo('var numbers = <int>[1, 2, (3 + 4)];',
- 'var numbers = <int>[1, 2, (3 + 4)];');
- });
-
- test('stmt (lists)', () {
- expectStmtFormatsTo('var l = [1,2,3,4];', 'var l = [1, 2, 3, 4];');
- expectStmtFormatsTo('var l = [\n'
- '1,\n'
- '2,\n'
- '];', 'var l = [1, 2,];');
- //Dangling ','
- expectStmtFormatsTo('var l = [1,];', 'var l = [1,];');
- });
-
- test('stmt (maps)', () {
- expectStmtFormatsTo('var map = const {"foo": "bar", "fuz": null};',
- 'var map = const {\n'
- ' "foo": "bar",\n'
- ' "fuz": null\n'
- '};');
-
- expectStmtFormatsTo('var map = {\n'
- '"foo": "bar",\n'
- '"bar": "baz"\n'
- '};', 'var map = {\n'
- ' "foo": "bar",\n'
- ' "bar": "baz"\n'
- '};');
-
- //Dangling ','
- expectStmtFormatsTo('var map = {"foo": "bar",};', 'var map = {\n'
- ' "foo": "bar",\n'
- '};');
- });
-
- test('stmt (try/catch)', () {
- expectStmtFormatsTo('try {\n'
- 'doSomething();\n'
- '} catch (e) {\n'
- 'print(e);\n'
- '}', 'try {\n'
- ' doSomething();\n'
- '} catch (e) {\n'
- ' print(e);\n'
- '}');
- expectStmtFormatsTo('try{\n'
- 'doSomething();\n'
- '}on Exception catch (e){\n'
- 'print(e);\n'
- '}', 'try {\n'
- ' doSomething();\n'
- '} on Exception catch (e) {\n'
- ' print(e);\n'
- '}');
- });
-
- test('stmt (binary/ternary ops)', () {
- expectStmtFormatsTo(
- 'var a = 1 + 2 / (3 * -b);', 'var a = 1 + 2 / (3 * -b);');
- expectStmtFormatsTo(
- 'var c = !condition == a > b;', 'var c = !condition == a > b;');
- expectStmtFormatsTo('var d = condition ? b : object.method(a, b, c);',
- 'var d = condition ? b : object.method(a, b, c);');
- expectStmtFormatsTo(
- 'var d = obj is! SomeType;', 'var d = obj is! SomeType;');
- });
-
- test('stmt (for in)', () {
- expectStmtFormatsTo('for (Foo foo in bar.foos) {\n'
- ' print(foo);\n'
- '}', 'for (Foo foo in bar.foos) {\n'
- ' print(foo);\n'
- '}');
- expectStmtFormatsTo('for (final Foo foo in bar.foos) {\n'
- ' print(foo);\n'
- '}', 'for (final Foo foo in bar.foos) {\n'
- ' print(foo);\n'
- '}');
- expectStmtFormatsTo('for (final foo in bar.foos) {\n'
- ' print(foo);\n'
- '}', 'for (final foo in bar.foos) {\n'
- ' print(foo);\n'
- '}');
- });
-
- test('Statement (if)', () {
- expectStmtFormatsTo(
- 'if (true) print("true!");', 'if (true) print("true!");');
- expectStmtFormatsTo('if (true) { print("true!"); }', 'if (true) {\n'
- ' print("true!");\n'
- '}');
- expectStmtFormatsTo('if (true) print("true!"); else print("false!");',
- 'if (true) {\n'
- ' print("true!");\n'
- '} else {\n'
- ' print("false!");\n'
- '}');
- expectStmtFormatsTo('if (true) print("true!"); else print("false!");',
- 'if (true) print("true!"); else print("false!");', transforms: false);
- });
-
- test('String - multiline - short - same line', () {
- expectCUFormatsTo('main() {\n'
- ' print("""01234567890123456789012345678901234567890123456789""");\n'
- '}\n', 'main() {\n'
- ' print("""01234567890123456789012345678901234567890123456789""");\n'
- '}\n');
- });
-
- test('String - multiline - short - next line', () {
- expectCUFormatsTo('main() {\n'
- ' print("""\n'
- '01234567890123456789012345678901234567890123456789\n'
- '""");\n'
- '}\n', 'main() {\n'
- ' print("""\n'
- '01234567890123456789012345678901234567890123456789\n'
- '""");\n'
- '}\n');
- });
-
- test('String - multiline - long', () {
- expectCUFormatsTo('main() {\n'
- ' print("""\n'
- '01234567890123456789012345678901234567890123456789\n'
- '01234567890123456789012345678901234567890123456789\n'
- '01234567890123456789012345678901234567890123456789\n'
- '""");\n'
- '}\n', 'main() {\n'
- ' print("""\n'
- '01234567890123456789012345678901234567890123456789\n'
- '01234567890123456789012345678901234567890123456789\n'
- '01234567890123456789012345678901234567890123456789\n'
- '""");\n'
- '}\n');
- });
-
- // smoketest to ensure we're enforcing the 'no gratuitous linebreaks'
- // opinion
- test('CU (eat newlines)', () {
- expectCUFormatsTo('abstract\n'
- 'class\n'
- 'A{}', 'abstract class A {}\n');
- });
-
-// test('line continuations - 1', () {
-// expectStmtFormatsTo(
-// 'if (x &&\n'
-// ' y) {\n'
-// ' print("yes!");\n'
-// '}',
-// 'if (x &&\n'
-// ' y) {\n'
-// ' print("yes!");\n'
-// '}'
-// );
-// expectStmtFormatsTo(
-// 'var x =\n'
-// ' 1234567890;',
-// 'var x =\n'
-// ' 1234567890;'
-// );
-// expectStmtFormatsTo(
-// 'foo() {\n'
-// ' var x = 0;\n'
-// ' x =\n'
-// ' 1234567890;\n'
-// '}',
-// 'foo() {\n'
-// ' var x = 0;\n'
-// ' x =\n'
-// ' 1234567890;\n'
-// '}'
-// );
-// expectStmtFormatsTo(
-// 'foo() {\n'
-// ' while (true &&\n'
-// ' true) {\n'
-// ' print("!");\n'
-// ' }\n'
-// '}',
-// 'foo() {\n'
-// ' while (true &&\n'
-// ' true) {\n'
-// ' print("!");\n'
-// ' }\n'
-// '}'
-// );
-// expectStmtFormatsTo(
-// 'foo() {\n'
-// ' do {\n'
-// ' print("!");\n'
-// ' } while (true &&\n'
-// ' true);\n'
-// '}',
-// 'foo() {\n'
-// ' do {\n'
-// ' print("!");\n'
-// ' } while (true &&\n'
-// ' true);\n'
-// '}'
-// );
-// expectStmtFormatsTo(
-// 'int foo() {\n'
-// ' return\n'
-// ' foo();\n'
-// '}',
-// 'int foo() {\n'
-// ' return\n'
-// ' foo();\n'
-// '}'
-// );
-// expectStmtFormatsTo(
-// 'int foo() {\n'
-// ' return\n'
-// ' 13;\n'
-// '}',
-// 'int foo() {\n'
-// ' return\n'
-// ' 13;\n'
-// '}'
-// );
-// expectStmtFormatsTo(
-// 'foo(fn()) {\n'
-// ' return foo(() {\n'
-// ' return 1;\n'
-// '});\n'
-// '}',
-// 'foo(fn()) {\n'
-// ' return foo(() {\n'
-// ' return 1;\n'
-// '});\n'
-// '}'
-// );
-// expectStmtFormatsTo(
-// 'true ? foo() :\n'
-// ' bar();',
-// 'true ? foo() :\n'
-// ' bar();'
-// );
-// expectCUFormatsTo(
-// 'import "dart:core" as\n'
-// ' core;\n',
-// 'import "dart:core" as\n'
-// ' core;\n'
-// );
-// expectCUFormatsTo(
-// 'export "package:foo/foo.dart" show\n'
-// ' Foo;\n',
-// 'export "package:foo/foo.dart" show\n'
-// ' Foo;\n'
-// );
-// expectCUFormatsTo(
-// 'class Foo extends Bar implements\n'
-// ' Baz {\n'
-// '}\n',
-// 'class Foo extends Bar implements\n'
-// ' Baz {\n'
-// '}\n'
-// );
-// });
-
- test('initialIndent', () {
- var formatter =
- new CodeFormatter(new FormatterOptions(initialIndentationLevel: 2));
- var formattedSource =
- formatter.format(CodeKind.STATEMENT, 'var x;').source;
- expect(formattedSource, startsWith(' '));
- });
-
- test('selections', () {
- expectSelectedPostFormat('class X {}', '}');
- expectSelectedPostFormat('class X{}', '{');
- expectSelectedPostFormat('class X{int y;}', ';');
- expectSelectedPostFormat('class X{int y;}', '}');
- expectSelectedPostFormat('class X {}', ' {');
- });
- });
-
- /// Token streams
- group('token streams', () {
- test('string tokens', () {
- expectTokenizedEqual('class A{}', 'class A{ }');
- expectTokenizedEqual('class A{}', 'class A{\n }\n');
- expectTokenizedEqual('class A {}', 'class A{ }');
- expectTokenizedEqual(' class A {}', 'class A{ }');
- });
-
- test('string tokens - w/ comments', () {
- expectTokenizedEqual('//foo\nint bar;', '//foo\nint bar;');
- expectTokenizedNotEqual('int bar;', '//foo\nint bar;');
- expectTokenizedNotEqual('//foo\nint bar;', 'int bar;');
- });
-
- test('INDEX', () {
- /// '[' ']' => '[]'
- var t1 = openSqBracket()..setNext(closeSqBracket()..setNext(eof()));
- var t2 = index()..setNext(eof());
- expectStreamsEqual(t1, t2);
- });
-
- test('GT_GT', () {
- /// '>' '>' => '>>'
- var t1 = gt()..setNext(gt()..setNext(eof()));
- var t2 = gt_gt()..setNext(eof());
- expectStreamsEqual(t1, t2);
- });
-
- test('t1 < t2', () {
- var t1 = string('foo')..setNext(eof());
- var t2 = string('foo')..setNext(string('bar')..setNext(eof()));
- expectStreamsNotEqual(t1, t2);
- });
-
- test('t1 > t2', () {
- var t1 = string('foo')..setNext(string('bar')..setNext(eof()));
- var t2 = string('foo')..setNext(eof());
- expectStreamsNotEqual(t1, t2);
- });
- });
-
- /// Line tests
- group('line', () {
- test('space', () {
- var line = new Line(indentLevel: 0);
- line.addSpaces(2);
- expect(line.toString(), equals(' '));
- });
-
- test('initial indent', () {
- var line = new Line(indentLevel: 2);
- expect(line.toString(), equals(' '));
- });
-
- test('initial indent (tabbed)', () {
- var line = new Line(indentLevel: 1, useTabs: true);
- expect(line.toString(), equals('\t'));
- });
-
- test('addToken', () {
- var line = new Line();
- line.addToken(new LineToken('foo'));
- expect(line.toString(), equals('foo'));
- });
-
- test('addToken (2)', () {
- var line = new Line(indentLevel: 1);
- line.addToken(new LineToken('foo'));
- expect(line.toString(), equals(' foo'));
- });
-
- test('isWhitespace', () {
- var line = new Line(indentLevel: 1);
- expect(line.isWhitespace(), isTrue);
- });
- });
-
- /// Writer tests
- group('writer', () {
- test('basic print', () {
- var writer = new SourceWriter();
- writer.write('foo');
- writer.write(' ');
- writer.write('bar');
- expect(writer.toString(), equals('foo bar'));
- });
-
- test('newline', () {
- var writer = new SourceWriter();
- writer.write('foo');
- writer.newline();
- expect(writer.toString(), equals('foo\n'));
- });
-
- test('newline trims whitespace', () {
- var writer = new SourceWriter(indentCount: 2);
- writer.newline();
- expect(writer.toString(), equals('\n'));
- });
-
- test('basic print (with indents)', () {
- var writer = new SourceWriter();
- writer.write('foo');
- writer.indent();
- writer.newline();
- writer.write('bar');
- writer.unindent();
- writer.newline();
- writer.write('baz');
- expect(writer.toString(), equals('foo\n bar\nbaz'));
- });
-
- test('write - multiline', () {
- var writer = new SourceWriter();
- writer.indent();
- writer.newline();
- writer.write('aaa\nbbb\nccc');
- expect(writer.toString(), equals('\n aaa\nbbb\nccc'));
- expect(writer.currentLine.toString(), equals('ccc'));
- });
- });
-
- /// Line breaker tests
- group('linebreaker', () {
- List<Chunk> breakLine(Line line, int maxLength) =>
- new SimpleLineBreaker(maxLength).breakLine(line);
-
- String printLine(Line line, int maxLength) =>
- new SimpleLineBreaker(maxLength, (n) => new List.filled(n, ' ').join())
- .printLine(line);
-
- Line line(List tokens) {
- var line = new Line();
- tokens
- .forEach((t) => line.addToken(t is LineToken ? t : new LineToken(t)));
- return line;
- }
-
- expectTextsEqual(List<Chunk> chunks, List<String> texts) {
- expect(chunks.map((chunk) => chunk.toString()), orderedEquals(texts));
- }
-
- expectTokensEqual(List<LineToken> tokens, List<String> texts) {
- expect(tokens.map((token) => token.toString()), orderedEquals(texts));
- }
-
- final SP_1 = new SpaceToken(1, breakWeight: DEFAULT_SPACE_WEIGHT);
- final SP_w1 = new SpaceToken(1, breakWeight: 1);
- final SP_w2 = new SpaceToken(1, breakWeight: 2);
- final SP_i = new SpaceToken(1, breakWeight: SINGLE_SPACE_WEIGHT);
-
- // 'foo|1|bar|1|baz|1|foo|1|bar|1|baz'
- final LINE_1 = line([
- 'foo',
- SP_1,
- 'bar',
- SP_1,
- 'baz',
- SP_1,
- 'foo',
- SP_1,
- 'bar',
- SP_1,
- 'baz'
- ]);
-
- // ' foo|1|bar|1|baz|1|foo|1|bar|1|baz'
- final LINE_2 = line([
- ' foo',
- SP_1,
- 'bar',
- SP_1,
- 'baz',
- SP_1,
- 'foo',
- SP_1,
- 'bar',
- SP_1,
- 'baz'
- ]);
-
- test('breakLine - 0', () {
- var chunks = breakLine(line([' foo']), 8);
- expectTextsEqual(chunks, [' foo']);
- });
-
- test('breakLine - 1', () {
- var chunks = breakLine(LINE_1, 1);
- expectTextsEqual(chunks, ['foo', 'bar', 'baz', 'foo', 'bar', 'baz']);
- });
-
- test('breakLine - 2', () {
- var chunks = breakLine(LINE_1, 4);
- expectTextsEqual(chunks, ['foo', 'bar', 'baz', 'foo', 'bar', 'baz']);
- });
-
- test('breakLine - 3', () {
- var chunks = breakLine(LINE_1, 8);
- expectTextsEqual(chunks, ['foo bar', 'baz foo', 'bar baz']);
- });
-
- test('breakLine - 4', () {
- var chunks = breakLine(LINE_1, 12);
- expectTextsEqual(chunks, ['foo bar baz', 'foo bar baz']);
- });
-
- test('breakLine - 5', () {
- var chunks = breakLine(LINE_2, 16);
- expectTextsEqual(chunks, [' foo bar baz', 'foo bar baz']);
- });
-
- test('breakLine - use weights - 1', () {
- var source = line([
- '111',
- SP_w2,
- '222',
- SP_w1,
- '333',
- SP_w2,
- '444',
- SP_w1,
- '555',
- SP_w2,
- '666'
- ]);
- var chunks = breakLine(source, 12);
- expectTextsEqual(chunks, ['111 222', '333 444', '555 666']);
- });
-
- test('printLine - 1', () {
- var line = printLine(LINE_1, 1);
- expect(line, 'foo\n bar\n baz\n foo\n bar\n baz');
- });
-
- test('printLine - 2', () {
- var line = printLine(LINE_1, 4);
- expect(line, 'foo\n bar\n baz\n foo\n bar\n baz');
- });
-
- test('printLine - 3', () {
- var line = printLine(LINE_1, 8);
- expect(line, 'foo bar\n baz foo\n bar baz');
- });
-
- test('printLine - 4', () {
- var line = printLine(LINE_1, 12);
- expect(line, 'foo bar baz\n foo bar baz');
- });
-
- test('printLine - use weight - 1', () {
- var source = line([
- '111111',
- SP_w2,
- '222222',
- SP_w1,
- '333333',
- SP_w2,
- '444444',
- SP_w1,
- '555555',
- SP_w2,
- '666666'
- ]);
- var result = printLine(source, 20);
- expect(result, '111111 222222\n 333333 444444\n 555555 666666');
- });
-
- test('printLine - use weight - initializer - success', () {
- var source = line(['111111', SP_i, '2222', SP_w1, '3333', SP_w1, '4444']);
- var result = printLine(source, 20);
- expect(result, '111111\n 2222 3333 4444');
- });
-
- test('printLine - use weight - initializer - rest too long', () {
- var source = line([
- '111',
- SP_i,
- '222',
- SP_w1,
- '333',
- SP_w1,
- '444',
- SP_w1,
- '555',
- SP_w1,
- '666'
- ]);
- var result = printLine(source, 15);
- expect(result, '111 222\n 333\n 444\n 555\n 666');
- });
-
- test('printLine - use weight - initializer - decl/rest too long', () {
- var source = line([
- '111',
- SP_i,
- '2222222222222',
- SP_w1,
- '333',
- SP_w1,
- '444',
- SP_w1,
- '555',
- SP_w1,
- '666'
- ]);
- var result = printLine(source, 15);
- expect(result, '111\n 2222222222222\n'
- ' 333\n 444\n 555\n 666');
- });
-
- test('isWhitespace', () {
- expect(isWhitespace('foo'), false);
- expect(isWhitespace(' foo'), false);
- expect(isWhitespace('foo '), false);
- expect(isWhitespace(' foo '), false);
- expect(isWhitespace(' '), true);
- expect(isWhitespace(' '), true);
- expect(isWhitespace('\t'), true);
- expect(isWhitespace('\t\t'), true);
- expect(isWhitespace('\n'), true);
- expect(isWhitespace('\r'), true);
- });
-
- test('preprocess - 1', () {
- var tokens = line(['f', 'o', 'o', SP_1, 'b', 'a', 'r']).tokens;
- var processed = SimpleLineBreaker.preprocess(tokens);
- expectTokensEqual(processed, ['foo', ' ', 'bar']);
- });
-
- test('preprocess - 2', () {
- var tokens = line(['f', 'o', 'o', SP_1, SP_1, 'b', 'a', 'r']).tokens;
- var processed = SimpleLineBreaker.preprocess(tokens);
- expectTokensEqual(processed, ['foo', ' ', ' ', 'bar']);
- });
-
- test('preprocess - 3', () {
- var tokens = line(['f', 'o', 'o', SP_1, 'b', 'a', 'r', SP_1]).tokens;
- var processed = SimpleLineBreaker.preprocess(tokens);
- expectTokensEqual(processed, ['foo', ' ', 'bar', ' ']);
- });
- });
-
- /// Helper method tests
- group('helpers', () {
- test('indentString', () {
- expect(getIndentString(0), '');
- expect(getIndentString(1), ' ');
- expect(getIndentString(4), ' ');
- });
-
- test('indentString (tabbed)', () {
- expect(getIndentString(0, useTabs: true), '');
- expect(getIndentString(1, useTabs: true), '\t');
- expect(getIndentString(3, useTabs: true), '\t\t\t');
- });
-
- test('repeat', () {
- expect(repeat('x', 0), '');
- expect(repeat('x', 1), 'x');
- expect(repeat('x', 4), 'xxxx');
- });
- });
-}
-
-Token closeSqBracket() => new Token(TokenType.CLOSE_SQUARE_BRACKET, 0);
-
-Token eof() => new Token(TokenType.EOF, 0);
-
-Token gt() => new Token(TokenType.GT, 0);
-
-Token gt_gt() => new Token(TokenType.GT_GT, 0);
-
-Token index() => new Token(TokenType.INDEX, 0);
-
-Token openSqBracket() => new BeginToken(TokenType.OPEN_SQUARE_BRACKET, 0);
-
-Token string(String lexeme) => new StringToken(TokenType.STRING, lexeme, 0);
-
-Token classKeyword(int offset) => new KeywordToken(Keyword.CLASS, offset);
-
-Token identifier(String value, int offset) =>
- new StringToken(TokenType.IDENTIFIER, value, offset);
-
-Token openParen(int offset) =>
- new StringToken(TokenType.OPEN_PAREN, '{', offset);
-
-Token closeParen(int offset) =>
- new StringToken(TokenType.CLOSE_PAREN, '}', offset);
-
-Token chain(List<Token> tokens) {
- for (var i = 0; i < tokens.length - 1; ++i) {
- tokens[i].setNext(tokens[i + 1]);
- }
- return tokens[0];
-}
-
-FormattedSource formatCU(src, {options: const FormatterOptions(), selection}) =>
- new CodeFormatter(options).format(CodeKind.COMPILATION_UNIT, src,
- selection: selection);
-
-String formatStatement(src, {options: const FormatterOptions()}) =>
- new CodeFormatter(options).format(CodeKind.STATEMENT, src).source;
-
-Token tokenize(String str) {
- var reader = new CharSequenceReader(str);
- return new Scanner(null, reader, null).tokenize();
-}
-
-expectSelectedPostFormat(src, token) {
- var preOffset = src.indexOf(token);
- var length = token.length;
- var formatted = formatCU(src, selection: new Selection(preOffset, length));
- var postOffset = formatted.selection.offset;
- expect(formatted.source.substring(postOffset, postOffset + length),
- equals(src.substring(preOffset, preOffset + length)));
-}
-
-expectTokenizedEqual(String s1, String s2) =>
- expectStreamsEqual(tokenize(s1), tokenize(s2));
-
-expectTokenizedNotEqual(String s1, String s2) => expect(
- () => expectStreamsEqual(tokenize(s1), tokenize(s2)),
- throwsA(new isInstanceOf<FormatterException>()));
-
-expectStreamsEqual(Token t1, Token t2) =>
- new TokenStreamComparator(null, t1, t2).verifyEquals();
-
-expectStreamsNotEqual(Token t1, Token t2) => expect(
- () => new TokenStreamComparator(null, t1, t2).verifyEquals(),
- throwsA(new isInstanceOf<FormatterException>()));
-
-expectCUFormatsTo(src, expected, {transforms: true}) => expect(formatCU(src,
- options: new FormatterOptions(codeTransforms: transforms)).source,
- equals(expected));
-
-expectIndentFormatsTo(spacesPerIndent, tabsForIndent, src, expected) => expect(
- formatCU(src,
- options: new FormatterOptions(
- spacesPerIndent: spacesPerIndent,
- tabsForIndent: tabsForIndent)).source, equals(expected));
-
-expectStmtFormatsTo(src, expected, {transforms: true}) => expect(
- formatStatement(src,
- options: new FormatterOptions(codeTransforms: transforms)),
- equals(expected));
-
-runTests(testFileName, expectClause(String input, String output)) {
- var testIndex = 1;
- var testFile = new File(join(TEST_DATA_DIR, testFileName));
- var lines = testFile.readAsLinesSync();
- for (var i = 1; i < lines.length; ++i) {
- var input = '',
- expectedOutput = '';
- while (!lines[i].startsWith('<<<')) {
- input += lines[i++] + '\n';
- }
- while (++i < lines.length && !lines[i].startsWith('>>>')) {
- expectedOutput += lines[i] + '\n';
- }
- test('test - (${testIndex++})', () {
- expectClause(input, expectedOutput);
- });
- }
-}

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