| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.tools.idea.lang.proguard.grammar; |
| |
| import com.intellij.psi.tree.IElementType; |
| import junit.framework.TestCase; |
| |
| import static com.android.tools.idea.lang.proguard.psi.ProguardTypes.*; |
| import static com.intellij.psi.TokenType.BAD_CHARACTER; |
| import static com.intellij.psi.TokenType.WHITE_SPACE; |
| |
| public class ProguardLexerTest extends TestCase { |
| public void testSingleFlag() { |
| validateLexer("-testFlag", |
| FLAG_NAME); |
| } |
| |
| public void testMultipleFlags() { |
| validateLexer("-testFlag1 testArg1\n" + |
| "-testFlag2 testArg2", |
| FLAG_NAME, WHITE_SPACE, FLAG_ARG, CRLF, |
| FLAG_NAME, WHITE_SPACE, FLAG_ARG); |
| } |
| |
| public void testComments() { |
| validateLexer("# Test Comment\n" + |
| "-testFlag#comment", |
| LINE_CMT, CRLF, |
| FLAG_NAME, LINE_CMT); |
| } |
| |
| public void testJavaSpec() { |
| validateLexer("-keepclassmembers class {\n" + |
| " public *; #comment\n" + |
| "}", |
| FLAG_NAME, WHITE_SPACE, FLAG_ARG, WHITE_SPACE, OPEN_BRACE, CRLF, |
| JAVA_DECL, WHITE_SPACE, LINE_CMT, CRLF, |
| CLOSE_BRACE); |
| } |
| |
| public void testSingleLineJavaSpec() { |
| validateLexer("-keep class { int a; }", |
| FLAG_NAME, WHITE_SPACE, FLAG_ARG, WHITE_SPACE, |
| OPEN_BRACE, JAVA_DECL, WHITE_SPACE, CLOSE_BRACE); |
| } |
| |
| public void testBadChar() { |
| // A proguard line should be either a comment, whitespace or a flag. |
| validateLexer("b", BAD_CHARACTER); |
| } |
| |
| private static void validateLexer(String input, IElementType... tokens) { |
| ProguardLexer lexer = new ProguardLexer(); |
| |
| int i = 0; |
| for (lexer.start(input); lexer.getTokenType() != null; lexer.advance(), i++) { |
| assertTrue(String.format("More tokens than expected (%1$d)", tokens.length), i < tokens.length); |
| assertEquals("Mismatch at '" + lexer.getTokenText() + "'", tokens[i], lexer.getTokenType()); |
| } |
| assertEquals("Expected more tokens than parsed", tokens.length, i); |
| } |
| } |