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IDEA-144655 Smart PSI pointers should retain old offsets after inserting text after them

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peter
2015-09-18 09:47:09 +02:00
parent 9870ff4223
commit 5f4c51477e
4 changed files with 63 additions and 19 deletions
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java/java-tests/testSrc/com/intellij/psi/impl/smartPointers/SmartPsiElementPointersTest.java
+19
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@@ -24,6 +24,7 @@ import com.intellij.lang.FileASTNode;
import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.EditorFactory;
import com.intellij.openapi.editor.EditorModificationUtil;
import com.intellij.openapi.editor.event.DocumentEvent;
import com.intellij.openapi.editor.event.DocumentListener;
import com.intellij.openapi.editor.event.EditorEventMulticaster;
@@ -754,6 +755,24 @@ public class SmartPsiElementPointersTest extends CodeInsightTestCase {
PsiDocumentManager.getInstance(myProject).commitAllDocuments();
assertEquals(TextRange.create(2, 3), pointer.getRange());
}
public void testUpdateAfterInsertingIdenticalText() {
PsiJavaFile file = (PsiJavaFile)configureByText(StdFileTypes.JAVA, "class Foo {\n" +
" void m() {\n" +
" }\n" +
"<caret>}\n");
PsiMethod method = file.getClasses()[0].getMethods()[0];
TextRange originalRange = method.getTextRange();
SmartPsiElementPointer pointer = SmartPointerManager.getInstance(myProject).createSmartPsiElementPointer(method);
EditorModificationUtil.insertStringAtCaret(myEditor, " void m() {\n" +
" }\n");
PsiDocumentManager.getInstance(myProject).commitDocument(myEditor.getDocument());
PsiElement element = pointer.getElement();
assertNotNull(element);
TextRange newRange = element.getTextRange();
assertEquals(originalRange, newRange);
}
public void testAnchorInfoSurvivesPsiChange() {
PsiJavaFile file = (PsiJavaFile)configureByText(JavaFileType.INSTANCE, "class C1{}\nclass C2 {}");