| /* |
| * Copyright 2000-2011 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. |
| * 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.intellij.openapi.editor.impl; |
| |
| import com.intellij.openapi.editor.event.DocumentEvent; |
| import com.intellij.openapi.editor.impl.event.DocumentEventImpl; |
| import com.intellij.openapi.util.Pair; |
| import com.intellij.util.LocalTimeCounter; |
| import com.intellij.util.containers.Stack; |
| import com.intellij.util.text.CharSequenceBackedByArray; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jmock.Expectations; |
| import org.jmock.Mockery; |
| import org.jmock.api.Invocation; |
| import org.jmock.integration.junit4.JUnit4Mockery; |
| import org.jmock.lib.action.CustomAction; |
| import org.jmock.lib.legacy.ClassImposteriser; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TestWatcher; |
| import org.junit.runner.Description; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| import static org.junit.Assert.*; |
| |
| /** |
| * @author Denis Zhdanov |
| * @since 03/01/2011 |
| */ |
| public class CharArrayTest { |
| @Rule |
| public TestWatcher configReader = new TestWatcher() { |
| @Override |
| protected void starting(Description description) { |
| Config config = description.getAnnotation(Config.class); |
| if (config != null) { |
| myConfig = config; |
| } |
| } |
| }; |
| |
| private CharArray myArray; |
| private Config myConfig; |
| private Mockery myMockery; |
| private DocumentImpl myDocument; |
| |
| @Before |
| public void setUp() { |
| myMockery = new JUnit4Mockery() {{ |
| setImposteriser(ClassImposteriser.INSTANCE); |
| }}; |
| myDocument = myMockery.mock(DocumentImpl.class); |
| |
| myMockery.checking(new Expectations() {{ |
| allowing(myDocument).getTextLength(); will(new CustomAction("getTextLength") { |
| @Override |
| public Object invoke(Invocation invocation) throws Throwable { |
| return myArray.length(); |
| } |
| }); |
| }}); |
| |
| init(10); |
| if (myConfig != null) { |
| myArray.insert(myConfig.text(), 0); |
| myArray.setDeferredChangeMode(myConfig.deferred()); |
| } |
| } |
| |
| @After |
| public void checkExpectations() { |
| myMockery.assertIsSatisfied(); |
| } |
| |
| @Config(text = "1234", deferred = true) |
| @Test |
| public void deferredReplace() { |
| replace(1, 3, "abc"); |
| assertTrue(myArray.hasDeferredChanges()); |
| checkText("1abc4"); |
| |
| replace(2, 3, "XY"); |
| checkText("1aXYc4"); |
| |
| replace(3, 6, "ABC"); |
| checkText("1aXABC"); |
| |
| myArray.setDeferredChangeMode(false); |
| checkText("1aXABC"); |
| } |
| |
| @Config(text = "01234567", deferred = true) |
| @Test |
| public void subSequenceWithDeferredChangeBeforeIt() { |
| replace(0, 2, "abc"); |
| CharSequenceBackedByArray subsSequence = (CharSequenceBackedByArray)myArray.subSequence(5, 6); |
| assertArrayEquals("4".toCharArray(), subsSequence.getChars()); |
| } |
| |
| @Config(text = "01234567", deferred = true) |
| @Test |
| public void subSequenceWithDeferredChangeIntersectingFromLeft() { |
| replace(0, 2, "abc"); |
| CharSequenceBackedByArray subsSequence = (CharSequenceBackedByArray)myArray.subSequence(2, 4); |
| assertArrayEquals("c2".toCharArray(), subsSequence.getChars()); |
| } |
| |
| @Config(text = "01234567", deferred = true) |
| @Test |
| public void subSequenceWithDeferredChangeIntersectingFromRight() { |
| replace(4, 6, "abc"); |
| CharSequenceBackedByArray subsSequence = (CharSequenceBackedByArray)myArray.subSequence(3, 5); |
| assertArrayEquals("3a".toCharArray(), subsSequence.getChars()); |
| } |
| |
| @Config(text = "01234567", deferred = true) |
| @Test |
| public void subSequenceWithDeferredChangeAfterIt() { |
| replace(6, 8, "abc"); |
| CharSequenceBackedByArray subsSequence = (CharSequenceBackedByArray)myArray.subSequence(1, 2); |
| assertArrayEquals("1".toCharArray(), subsSequence.getChars()); |
| } |
| |
| private void init(int size) { |
| myArray = new CharArray(size, new char[0], 0) { |
| @NotNull |
| @Override |
| protected DocumentEvent beforeChangedUpdate(int offset, CharSequence oldString, CharSequence newString, |
| boolean wholeTextReplaced) { |
| return new DocumentEventImpl(myDocument, offset, oldString, newString, LocalTimeCounter.currentTime(), wholeTextReplaced); |
| } |
| |
| @Override |
| protected void afterChangedUpdate(@NotNull DocumentEvent event, long newModificationStamp) { |
| } |
| |
| @Override |
| protected void assertWriteAccess() { |
| } |
| |
| @Override |
| protected void assertReadAccess() { |
| } |
| }; |
| } |
| |
| private void checkText(@NonNls @NotNull String expected) { |
| // Test as a whole. |
| assertEquals(expected, myArray.toString()); |
| assertEquals(expected.length(), myArray.length()); |
| |
| // Test 'charAt()'. |
| for (int i = 0; i < expected.length(); i++) { |
| if (expected.charAt(i) != myArray.charAt(i)) { |
| fail(String.format( |
| "Detected incorrect 'charAt()' processing for deferred changes. Text: '%1$s'. Expected to get symbol '%2$c' " |
| + "(numeric value %2$d) at index %3$d but actual symbol is '%4$c' (numeric value %4$d)", |
| expected, (int)expected.charAt(i), i, (int)myArray.charAt(i))); |
| } |
| assertEquals(expected.charAt(i), myArray.charAt(i)); |
| } |
| |
| // Test 'substring()'. |
| for (int start = 0; start < myArray.length() - 1; start++) { |
| for (int end = start; end < myArray.length(); end++) { |
| if (!expected.substring(start, end).equals(myArray.substring(start, end).toString())) { |
| fail(String.format( |
| "Detected incorrect 'substring()' processing for deferred changes. Text: '%s', expected to get substring '%s' for " |
| + "interval [%d; %d) but got '%s'", expected, expected.substring(start, end), start, end, myArray.substring(start, end) |
| )); |
| } |
| } |
| } |
| |
| // Test subSequence(). |
| checkSubSequence(expected, myArray, new Stack<Pair<Integer, Integer>>()); |
| } |
| |
| private void checkSubSequence(@NotNull String expected, @NotNull CharSequence actual, |
| @NotNull Stack<Pair<Integer, Integer>> history) { |
| assertEquals(expected.length(), actual.length()); |
| for (int i = 0; i < expected.length(); i++) { |
| char expectedChar = expected.charAt(i); |
| char actualChar = actual.charAt(i); |
| if (expectedChar != actualChar) { |
| fail(String.format( |
| "Detected incorrect charAt() processing for result of subSequence() with deferred changes. Original text: '%s', " |
| + "actual subSequence text: '%s', index: %d, expected symbol: '%c', actual symbol: '%c', subSequence history: %s", |
| myArray.toString(), expected, i, expectedChar, actualChar, history |
| )); |
| } |
| } |
| if (!expected.equals(actual.toString())) { |
| fail(String.format( |
| "Detected incorrect toString() processing for result of subSequence() with deferred changes. Original text: '%s', " |
| + "expected subSequence text: '%s', actual subSequence text: '%s', subSequence history: %s", |
| myArray.toString(), expected, actual.toString(), history |
| )); |
| } |
| assertEquals(expected, actual.toString()); |
| for (int start = 0; start < expected.length(); start++) { |
| for (int end = start; end < expected.length(); end++) { |
| history.push(new Pair<Integer, Integer>(start, end)); |
| checkSubSequence(expected.substring(start, end), actual.subSequence(start, end), history); |
| history.pop(); |
| } |
| } |
| } |
| |
| private void replace(int startOffset, int endOffset, @NonNls String newText) { |
| myArray.replace( |
| startOffset, endOffset, myArray.substring(startOffset, endOffset), newText, LocalTimeCounter.currentTime(), |
| startOffset == 0 && endOffset == myArray.length() |
| ); |
| } |
| |
| @Target(ElementType.METHOD) |
| @Retention(RetentionPolicy.RUNTIME) |
| private @interface Config { |
| String text() default ""; |
| boolean deferred() default false; |
| } |
| } |