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56 lines
2.0 KiB
Java
56 lines
2.0 KiB
Java
/*
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* Copyright 2000-2009 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.intellij.uiDesigner;
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import junit.framework.TestCase;
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import com.intellij.uiDesigner.designSurface.GuiEditor;
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public final class TextDifferTest extends TestCase{
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public void test1() {
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test("","",-1,-1,null);
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test("abcd","abcd",-1,-1,null);
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test("abcd","aBCd",1,3,"BC");
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test("abcd","a12345d",1,3,"12345");
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test("abcd","ad",1,3,"");
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test("ad","a12345d",1,1,"12345");
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test("abcd","adf",1,4,"df");
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test("abcd","123bcd",0,1,"123");
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test("abcd","1234abcd",0,0,"1234");
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test("abcd","1234",0,4,"1234");
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test("","1234",0,0,"1234");
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test("1234","",0,4,"");
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test("1234","123",3,4,"");
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test("1234","234",0,1,"");
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test("ababa","aba",3,5,"");
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test("abbba","abba",3,4,"");
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test("abba","abbba",3,3,"b");
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test("abba","ab1ba",2,2,"1");
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}
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private static void test(final String oldText, final String newText, final int startOffset, final int endOffset, final String replacement) {
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final GuiEditor.ReplaceInfo replaceInfo = GuiEditor.findFragmentToChange(oldText, newText);
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assertEquals(startOffset, replaceInfo.getStartOffset());
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assertEquals(endOffset, replaceInfo.getEndOffset());
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assertEquals(replacement, replaceInfo.getReplacement());
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if (startOffset != -1 || endOffset != -1){
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assertEquals(newText, oldText.substring(0, startOffset) + replacement + oldText.substring(endOffset));
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}
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}
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}
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