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Unified Diff: packages/polymer_expressions/test/tokenizer_test.dart

Issue 2312183003: Removed Polymer from Observatory deps (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: packages/polymer_expressions/test/tokenizer_test.dart
diff --git a/packages/polymer_expressions/test/tokenizer_test.dart b/packages/polymer_expressions/test/tokenizer_test.dart
deleted file mode 100644
index 9689b869ba104b604fcb59fd0d702b268c4d6c26..0000000000000000000000000000000000000000
--- a/packages/polymer_expressions/test/tokenizer_test.dart
+++ /dev/null
@@ -1,218 +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 tokenizer_test;
-
-import 'package:polymer_expressions/tokenizer.dart';
-import 'package:unittest/unittest.dart';
-
-main() {
-
- group('tokenizer', () {
-
- test('should tokenize an empty expression', () {
- expectTokens('', []);
- });
-
- test('should tokenize an identifier', () {
- expectTokens('abc', [t(IDENTIFIER_TOKEN, 'abc')]);
- });
-
- test('should tokenize a double quoted String', () {
- expectTokens('"abc"', [t(STRING_TOKEN, 'abc')]);
- });
-
- test('should tokenize a single quoted String', () {
- expectTokens("'abc'", [t(STRING_TOKEN, 'abc')]);
- });
-
- test('should tokenize a String with escaping', () {
- expectTokens('"a\\b\\\\c\\\'\\""', [t(STRING_TOKEN, 'ab\\c\'"')]);
- });
-
- test('should tokenize a dot operator', () {
- expectTokens('a.b', [
- t(IDENTIFIER_TOKEN, 'a'),
- t(DOT_TOKEN, '.'),
- t(IDENTIFIER_TOKEN, 'b')]);
- });
-
- test('should tokenize a unary plus operator', () {
- expectTokens('+a', [
- t(OPERATOR_TOKEN, '+'),
- t(IDENTIFIER_TOKEN, 'a')]);
- });
-
- test('should tokenize a binary plus operator', () {
- expectTokens('a + b', [
- t(IDENTIFIER_TOKEN, 'a'),
- t(OPERATOR_TOKEN, '+'),
- t(IDENTIFIER_TOKEN, 'b')]);
- });
-
- test('should tokenize a logical and operator', () {
- expectTokens('a && b', [
- t(IDENTIFIER_TOKEN, 'a'),
- t(OPERATOR_TOKEN, '&&'),
- t(IDENTIFIER_TOKEN, 'b')]);
- });
-
- test('should tokenize a ternary operator', () {
- expectTokens('a ? b : c', [
- t(IDENTIFIER_TOKEN, 'a'),
- t(OPERATOR_TOKEN, '?'),
- t(IDENTIFIER_TOKEN, 'b'),
- t(COLON_TOKEN, ':'),
- t(IDENTIFIER_TOKEN, 'c')]);
- });
-
- test('should tokenize "in" expressions', () {
- expectTokens('item in items', [
- t(IDENTIFIER_TOKEN, 'item'),
- t(KEYWORD_TOKEN, 'in'),
- t(IDENTIFIER_TOKEN, 'items')]);
- });
-
- test('should takenize an "as" expression', () {
- expectTokens('a as b', [
- t(IDENTIFIER_TOKEN, 'a'),
- t(KEYWORD_TOKEN, 'as'),
- t(IDENTIFIER_TOKEN, 'b')]);
- });
-
- test('should tokenize keywords', () {
- expectTokens('in', [t(KEYWORD_TOKEN, 'in')]);
- expectTokens('as', [t(KEYWORD_TOKEN, 'as')]);
- expectTokens('this', [t(KEYWORD_TOKEN, 'this')]);
- });
-
- test('should tokenize groups', () {
- expectTokens('a(b)[]{}', [
- t(IDENTIFIER_TOKEN, 'a'),
- t(GROUPER_TOKEN, '('),
- t(IDENTIFIER_TOKEN, 'b'),
- t(GROUPER_TOKEN, ')'),
- t(GROUPER_TOKEN, '['),
- t(GROUPER_TOKEN, ']'),
- t(GROUPER_TOKEN, '{'),
- t(GROUPER_TOKEN, '}')]);
- });
-
- test('should tokenize argument lists', () {
- expectTokens('(a, b)', [
- t(GROUPER_TOKEN, '('),
- t(IDENTIFIER_TOKEN, 'a'),
- t(COMMA_TOKEN, ','),
- t(IDENTIFIER_TOKEN, 'b'),
- t(GROUPER_TOKEN, ')')]);
- });
-
- test('should tokenize maps', () {
- expectTokens("{'a': b}", [
- t(GROUPER_TOKEN, '{'),
- t(STRING_TOKEN, 'a'),
- t(COLON_TOKEN, ':'),
- t(IDENTIFIER_TOKEN, 'b'),
- t(GROUPER_TOKEN, '}')]);
- });
-
- test('should tokenize lists', () {
- expectTokens("[1, 'a', b]", [
- t(GROUPER_TOKEN, '['),
- t(INTEGER_TOKEN, '1'),
- t(COMMA_TOKEN, ','),
- t(STRING_TOKEN, 'a'),
- t(COMMA_TOKEN, ','),
- t(IDENTIFIER_TOKEN, 'b'),
- t(GROUPER_TOKEN, ']')]);
- });
-
- test('should tokenize integers', () {
- expectTokens('123', [t(INTEGER_TOKEN, '123')]);
- expectTokens('+123', [t(OPERATOR_TOKEN, '+'), t(INTEGER_TOKEN, '123')]);
- expectTokens('-123', [t(OPERATOR_TOKEN, '-'), t(INTEGER_TOKEN, '123')]);
- });
-
- test('should tokenize decimals', () {
- expectTokens('1.23', [t(DECIMAL_TOKEN, '1.23')]);
- expectTokens('+1.23', [t(OPERATOR_TOKEN, '+'), t(DECIMAL_TOKEN, '1.23')]);
- expectTokens('-1.23', [t(OPERATOR_TOKEN, '-'), t(DECIMAL_TOKEN, '1.23')]);
- });
-
- test('should tokenize booleans as identifiers', () {
- expectTokens('true', [t(IDENTIFIER_TOKEN, 'true')]);
- expectTokens('false', [t(IDENTIFIER_TOKEN, 'false')]);
- });
-
- });
-}
-
-TokenMatcher isToken(int index, String text) => new TokenMatcher(index, text);
-
-class TokenMatcher extends Matcher {
- final int kind;
- final String value;
-
- TokenMatcher(this.kind, this.value);
-
- bool matches(Token t, Map m) => t.kind == kind && t.value == value;
-
- Description describe(Description d) => d.add('isToken($kind, $value) ');
-}
-
-expectTokens(String s, List<Token> expected) {
- var tokens = new Tokenizer(s).tokenize();
- var matchers = expected.map((t) => isToken(t.kind, t.value)).toList();
- expect(tokens, matchList(matchers), reason: s);
-}
-
-Token t(int kind, String value) => new Token(kind, value);
-
-MatcherList matchList(List matchers) => new MatcherList(matchers);
-
-class MatcherList extends Matcher {
- final List<Matcher> matchers;
-
- MatcherList(this.matchers);
-
- bool matches(List o, Map matchState) {
- if (o.length != matchers.length) return false;
- for (int i = 0; i < o.length; i++) {
- var state = new Map();
- if (!matchers[i].matches(o[i], state)) {
- matchState.addAll({
- 'index': i,
- 'value': o[i],
- 'state': state,
- });
- return false;
- }
- }
- return true;
- }
-
- Description describe(Description d) {
- d.add('matches all: ');
- matchers.forEach((m) => m.describe(d));
- }
-
- Description describeMismatch(item, Description mismatchDescription,
- Map matchState, bool verbose) {
- if (matchState != null) {
- var index = matchState['index'];
- var value = matchState['value'];
- var state = matchState['state'];
- var matcher = matchers[index];
- mismatchDescription.add("Mismatch at index $index: ");
- matcher.describeMismatch(value, mismatchDescription, state, verbose);
- } else {
- if (item.length != matchers.length) {
- mismatchDescription.add('wrong lengths');
- } else {
- mismatchDescription.add('was ').addDescriptionOf(item);
- }
- }
- }
-
-}
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