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test that freemarker lexer is restartable at every directive

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peter
2015-08-26 19:23:29 +02:00
parent 68ca4a5dba
commit 9f0fc00bef
1 changed files with 17 additions and 0 deletions
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platform/testFramework/src/com/intellij/testFramework/LexerTestCase.java
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@@ -21,6 +21,7 @@ import com.intellij.openapi.application.PathManager;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.tree.TokenSet;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
@@ -52,6 +53,22 @@ public abstract class LexerTestCase extends UsefulTestCase {
}
}
protected void checkZeroState(String text, TokenSet tokenTypes) {
Lexer lexer = createLexer();
lexer.start(text);
while (true) {
IElementType type = lexer.getTokenType();
if (type == null) {
break;
}
if (tokenTypes.contains(type) && lexer.getState() != 0) {
fail("Non-zero lexer state on token \"" + lexer.getTokenText() + "\" (" + type + ") at " + lexer.getTokenStart());
}
lexer.advance();
}
}
protected void checkCorrectRestart(String text) {
Lexer mainLexer = createLexer();
String allTokens = printTokens(text, 0, mainLexer);