Dmitry Stefantsov
7e430f6ff7
Change-Id: I2dc014cebcab0da911757e49d1feb59f52444c1a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/93982 Reviewed-by: Johnni Winther <johnniwinther@google.com>
107 lines
3.9 KiB
Dart
107 lines
3.9 KiB
Dart
// Copyright (c) 2018, 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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library kernel.text_serializer_test;
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import 'package:kernel/ast.dart';
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import 'package:kernel/text/serializer_combinators.dart';
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import 'package:kernel/text/text_reader.dart';
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import 'package:kernel/text/text_serializer.dart';
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void main() {
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initializeSerializers();
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test();
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}
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// Wrappers for testing.
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Expression readExpression(String input) {
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TextIterator stream = new TextIterator(input, 0);
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stream.moveNext();
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Expression result = expressionSerializer.readFrom(
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stream, new DeserializationState(null, new CanonicalName.root()));
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if (stream.moveNext()) {
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throw StateError("extra cruft in basic literal");
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}
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return result;
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}
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String writeExpression(Expression expression) {
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StringBuffer buffer = new StringBuffer();
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expressionSerializer.writeTo(
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buffer, expression, new SerializationState(null));
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return buffer.toString();
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}
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void test() {
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List<String> failures = [];
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List<String> tests = [
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'(get-prop (int 0) (public "hashCode"))',
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'(get-super (public "hashCode"))',
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'(invoke-method (int 0) (public "foo") () ((int 1) (int 2)) ())',
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'(invoke-method (int 0) (public "foo") ((dynamic) (void)) '
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'((int 1) (int 2)) ("others" (list (dynamic) ((int 3) (int 4)))))',
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'(let (var "x^0" (dynamic) (int 0) ()) (null))',
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'(let (var "x^0" (dynamic) _ ()) (null))',
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'(let (const "x^0" (dynamic) (int 0) ()) (null))',
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'(let (const "x^0" (dynamic) _ ()) (null))',
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'(let (final "x^0" (dynamic) (int 0) ()) (null))',
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'(let (final "x^0" (dynamic) _ ()) (null))',
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r'''(string "Hello, 'string'!")''',
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r'''(string "Hello, \"string\"!")''',
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r'''(string "Yeah nah yeah, here is\nthis really long string haiku\n'''
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r'''blowing in the wind\n")''',
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'(int 42)',
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'(int 0)',
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'(int -1001)',
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'(double 3.14159)',
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'(bool true)',
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'(bool false)',
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'(null)',
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r'''(invalid "You can't touch this")''',
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'(not (bool true))',
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'(&& (bool true) (bool false))',
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'(|| (&& (bool true) (not (bool true))) (bool true))',
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'(concat ((string "The opposite of ") (int 3) '
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'(string " is ") (int 7)))',
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'(symbol "unquote-splicing")',
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'(this)',
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'(rethrow)',
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'(throw (string "error"))',
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'(await (null))',
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'(cond (bool true) (dynamic) (int 0) (int 1))',
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'(is (bool true) (invalid))',
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'(as (bool true) (void))',
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'(type (bottom))',
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'(list (dynamic) ((null) (null) (null)))',
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'(const-list (dynamic) ((int 0) (int 1) (int 2)))',
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'(set (dynamic) ((bool true) (bool false) (int 0)))',
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'(const-set (dynamic) ((int 0) (int 1) (int 2)))',
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'(map (dynamic) (void) ((int 0) (null) (int 1) (null) (int 2) (null)))',
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'(const-map (dynamic) (void) ((int 0) (null) (int 1) (null) '
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'(int 2) (null)))',
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'(type (-> () () () ((dynamic)) () () (dynamic)))',
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'(type (-> () () () () ((dynamic)) () (dynamic)))',
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'(type (-> () () () ((dynamic) (dynamic)) () () (dynamic)))',
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'(type (-> () () () () () () (dynamic)))',
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'(type (-> () () () ((-> () () () ((dynamic)) () () (dynamic))) () () '
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'(dynamic)))',
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'(type (-> ("T^0") ((dynamic)) ((dynamic)) () () () (dynamic)))',
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'(type (-> ("T^0") ((dynamic)) ((dynamic)) ((par "T^0" _)) () () '
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'(par "T^0" _)))',
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'(type (-> ("T^0" "S^1") ((par "S^1" _) (par "T^0" _)) ((dynamic) '
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'(dynamic)) () () () (dynamic)))',
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];
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for (var test in tests) {
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var literal = readExpression(test);
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var output = writeExpression(literal);
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if (output != test) {
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failures.add('* input "${test}" gave output "${output}"');
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}
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}
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if (failures.isNotEmpty) {
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print('Round trip failures:');
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failures.forEach(print);
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throw StateError('Round trip failures');
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}
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}
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