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[eclipse/xtext-core#1666] added testcase for special ML_COMMENT

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Signed-off-by: Christian Dietrich <christian.dietrich@itemis.de>
This commit is contained in:
Christian Dietrich 2021-01-25 10:24:26 +01:00
parent 6fb07583b8
commit 5aba2e29ed
1 changed files with 24 additions and 4 deletions
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28
org.eclipse.xtext.tests/src/org/eclipse/xtext/xtext/generator/GrammarAccessExtensions2Test.java
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@ -1,5 +1,5 @@
/**
* Copyright (c) 2020 itemis AG (http://www.itemis.eu) and others.
* Copyright (c) 2020, 2021 itemis AG (http://www.itemis.eu) and others.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0.
@ -77,9 +77,23 @@ public class GrammarAccessExtensions2Test {
"// | '=>'" + NL +
"// | '>' (=> ('>' '>') | '>') | '<' (=> ('<' '<') | '<' | '=>') | '<>'" + NL +
"// | '?:';";
firstRuleIsConvertedTo(
grammar,
expected);
firstRuleIsConvertedTo(grammar, expected);
}
@Test
public void testGrammarFragmentToString2() throws Exception {
String NL = System.lineSeparator();
String grammar =
"grammar org.xtext.example.mydsl.MyDsl hidden (ML_COMMENT)\n" +
"import 'http://www.eclipse.org/emf/2002/Ecore' as ecore\n" +
"generate myDsl 'http://www.xtext.org/example/mydsl/MyDsl'\n" +
"Model: name=ID;\n" +
"terminal ML_COMMENT: '/*'(!'*')->'*/';\n" +
"terminal ID: '^'?('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;";
String expected =
"//terminal ML_COMMENT:" + NL
+ "// '/*' !'*'->'*/';";
secondRuleIsConvertedTo(grammar, expected);
}
private void firstRuleIsConvertedTo(CharSequence text, CharSequence expected) throws Exception {
@ -87,4 +101,10 @@ public class GrammarAccessExtensions2Test {
.grammarFragmentToString(Iterables.getFirst(parseHelper.parse(text).getRules(), null), "//");
Assert.assertEquals(expected.toString().trim(), actual);
}
private void secondRuleIsConvertedTo(CharSequence text, CharSequence expected) throws Exception {
String actual = grammarAccessExtensions
.grammarFragmentToString(Iterables.get(parseHelper.parse(text).getRules(), 1), "//");
Assert.assertEquals(expected.toString().trim(), actual);
}
}