From 3d4169aec4612656ee2da36f5e1d868be245a567 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Mon, 14 Dec 2015 13:26:42 +0300
Subject: [PATCH] IDEA-149192 Blinking "Run Tests" gutter icon

---
 .../impl/DaemonRespondToChangesTest.java      | 49 +++++++++++++++++++
 .../lineMarker/RunLineMarkerProvider.java     |  2 +-
 2 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/java/java-tests/testSrc/com/intellij/codeInsight/daemon/impl/DaemonRespondToChangesTest.java b/java/java-tests/testSrc/com/intellij/codeInsight/daemon/impl/DaemonRespondToChangesTest.java
index eafe7f02d095..558828acda8d 100644
--- a/java/java-tests/testSrc/com/intellij/codeInsight/daemon/impl/DaemonRespondToChangesTest.java
+++ b/java/java-tests/testSrc/com/intellij/codeInsight/daemon/impl/DaemonRespondToChangesTest.java
@@ -739,6 +739,55 @@ public class DaemonRespondToChangesTest extends DaemonAnalyzerTestCase {
     assertEquals(lineMarkersAfter.size(), lineMarkers.size());
   }
 
+  public void testLineMarkersDoNotBlinkOnBackSpaceRightBeforeMethodIdentifier() throws Throwable {
+    configureByText(JavaFileType.INSTANCE, "package x; \n" +
+                                           "class  <caret>ToRun{\n" +
+                                           "  public static void main(String[] args) {\n"+
+                                           "  }\n"+
+                                           "}");
+
+    List<HighlightInfo> errors = highlightErrors();
+    assertEmpty(errors);
+
+    List<LineMarkerInfo> lineMarkers = DaemonCodeAnalyzerImpl.getLineMarkers(myEditor.getDocument(), getProject());
+    assertSize(2, lineMarkers);
+
+    backspace();
+
+    final Collection<String> changed = new ArrayList<>();
+    MarkupModelEx modelEx = (MarkupModelEx)DocumentMarkupModel.forDocument(getDocument(getFile()), getProject(), true);
+    modelEx.addMarkupModelListener(getTestRootDisposable(), new MarkupModelListener() {
+      @Override
+      public void afterAdded(@NotNull RangeHighlighterEx highlighter) {
+        changed(highlighter, ExceptionUtil.getThrowableText(new Throwable("after added")));
+      }
+
+      @Override
+      public void beforeRemoved(@NotNull RangeHighlighterEx highlighter) {
+        changed(highlighter, ExceptionUtil.getThrowableText(new Throwable("before removed")));
+      }
+
+      @Override
+      public void attributesChanged(@NotNull RangeHighlighterEx highlighter, boolean renderersChanged) {
+        changed(highlighter, ExceptionUtil.getThrowableText(new Throwable("changed")));
+      }
+
+      private void changed(@NotNull RangeHighlighterEx highlighter, String reason) {
+        if (highlighter.getTargetArea() != HighlighterTargetArea.LINES_IN_RANGE) return; // not line marker
+        List<LineMarkerInfo> lineMarkers = DaemonCodeAnalyzerImpl.getLineMarkers(myEditor.getDocument(), getProject());
+        if (ContainerUtil.find(lineMarkers, lm -> lm.highlighter == highlighter) == null) return; // not line marker
+
+        changed.add(highlighter+": \n"+reason);
+      }
+    });
+
+    assertEmpty(highlightErrors());
+
+    assertSize(2, DaemonCodeAnalyzerImpl.getLineMarkers(myEditor.getDocument(), getProject()));
+
+    assertEmpty(changed);
+  }
+
   public void testLineMarkersClearWhenTypingAtTheEndOfPsiComment() throws Throwable {
     configureByText(JavaFileType.INSTANCE, "class S {\n//ddd<caret>\n}");
     final LineMarkerProvider provider = new LineMarkerProvider() {
diff --git a/platform/lang-impl/src/com/intellij/execution/lineMarker/RunLineMarkerProvider.java b/platform/lang-impl/src/com/intellij/execution/lineMarker/RunLineMarkerProvider.java
index 494e95813845..896c34cebb9e 100644
--- a/platform/lang-impl/src/com/intellij/execution/lineMarker/RunLineMarkerProvider.java
+++ b/platform/lang-impl/src/com/intellij/execution/lineMarker/RunLineMarkerProvider.java
@@ -82,7 +82,7 @@ public class RunLineMarkerProvider extends LineMarkerProviderDescriptor {
         return tooltip.length() == 0 ? null : tooltip.toString();
       }
     };
-    return new LineMarkerInfo<PsiElement>(element, element.getTextOffset(), icon, Pass.UPDATE_ALL,
+    return new LineMarkerInfo<PsiElement>(element, element.getTextRange(), icon, Pass.UPDATE_ALL,
                                           tooltipProvider, null,
                                           GutterIconRenderer.Alignment.CENTER) {
       @Nullable