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Use LexerTestCase instead of custom lexer test

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This commit is contained in:
Bas Leijdekkers
2014-11-03 10:33:08 +01:00
parent ddddd1aa8f
commit 10774f6e05
2 changed files with 31 additions and 18 deletions
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RegExpSupport/test/org/intellij/lang/regexp/RegExpLexerTest.java
+24 -16
View File
@@ -16,40 +16,48 @@
package org.intellij.lang.regexp;
import com.intellij.lexer.Lexer;
import junit.framework.TestCase;
import com.intellij.testFramework.LexerTestCase;
import java.util.EnumSet;
/**
* @author Bas Leijdekkers
*/
public class RegExpLexerTest extends TestCase {
public class RegExpLexerTest extends LexerTestCase {
public void testAmpersand() {
final RegExpLexer lexer = new RegExpLexer(EnumSet.noneOf(RegExpCapability.class));
doTest("[a&&]", lexer, "CLASS_BEGIN([) CHARACTER(a) CHARACTER(&) CHARACTER(&) CLASS_END(])");
doTest("[a&&]", "CLASS_BEGIN ('[')\n" +
"CHARACTER ('a')\n" +
"CHARACTER ('&')\n" +
"CHARACTER ('&')\n" +
"CLASS_END (']')", lexer);
}
public void testIntersection() {
final RegExpLexer lexer = new RegExpLexer(EnumSet.of(RegExpCapability.NESTED_CHARACTER_CLASSES));
doTest("[a&&]", lexer, "CLASS_BEGIN([) CHARACTER(a) ANDAND(&&) CLASS_END(])");
doTest("[a&&]", "CLASS_BEGIN ('[')\n" +
"CHARACTER ('a')\n" +
"ANDAND ('&&')\n" +
"CLASS_END (']')", lexer);
}
public void testPosixBracketExpression() {
final RegExpLexer lexer = new RegExpLexer(EnumSet.of(RegExpCapability.POSIX_BRACKET_EXPRESSIONS));
doTest("[[:xdigit:]]", lexer, "CLASS_BEGIN([) BRACKET_EXPRESSION_BEGIN([:) NAME(xdigit) BRACKET_EXPRESSION_END(:]) CLASS_END(])");
doTest("[[:xdigit:]]", "CLASS_BEGIN ('[')\n" +
"BRACKET_EXPRESSION_BEGIN ('[:')\n" +
"NAME ('xdigit')\n" +
"BRACKET_EXPRESSION_END (':]')\n" +
"CLASS_END (']')", lexer);
}
public static void doTest(String text, Lexer lexer, String expectedTokens) {
lexer.start(text);
final StringBuilder actualTokens = new StringBuilder();
boolean first = true;
while (lexer.getTokenType() != null) {
if (first) first = false;
else actualTokens.append(" ");
actualTokens.append(lexer.getTokenType()).append('(').append(lexer.getTokenText()).append(')');
lexer.advance();
}
assertEquals(expectedTokens, actualTokens.toString());
@Override
protected Lexer createLexer() {
return null;
}
@Override
protected String getDirPath() {
return "";
}
}
platform/testFramework/src/com/intellij/testFramework/LexerTestCase.java
+7 -2
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2000-2009 JetBrains s.r.o.
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.tree.IElementType;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.File;
@@ -37,7 +38,11 @@ public abstract class LexerTestCase extends UsefulTestCase {
}
protected void doTest(@NonNls String text, @Nullable String expected) {
String result = printTokens(text, 0);
doTest(text, expected, createLexer());
}
protected void doTest(@NonNls String text, @Nullable String expected, @NotNull Lexer lexer) {
String result = printTokens(text, 0, lexer);
if (expected != null) {
assertSameLines(expected, result);