diff --git a/analysis/analysis-api-fe10/tests-gen/org/jetbrains/kotlin/analysis/api/fe10/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/Fe10IdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java b/analysis/analysis-api-fe10/tests-gen/org/jetbrains/kotlin/analysis/api/fe10/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/Fe10IdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java
index 27fec39478f..aa65d7287fc 100644
--- a/analysis/analysis-api-fe10/tests-gen/org/jetbrains/kotlin/analysis/api/fe10/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/Fe10IdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java
+++ b/analysis/analysis-api-fe10/tests-gen/org/jetbrains/kotlin/analysis/api/fe10/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/Fe10IdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java
@@ -45,9 +45,39 @@ public class Fe10IdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated extends
     KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf"), Pattern.compile("^(.+)\\.kt$"), null, true);
   }
 
+  @Test
+  @TestMetadata("childClass.kt")
+  public void testChildClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.kt");
+  }
+
+  @Test
+  @TestMetadata("grandParentClass.kt")
+  public void testGrandParentClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.kt");
+  }
+
   @Test
   @TestMetadata("localClasses.kt")
   public void testLocalClasses() {
     runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/localClasses.kt");
   }
+
+  @Test
+  @TestMetadata("parentClass.kt")
+  public void testParentClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.kt");
+  }
+
+  @Test
+  @TestMetadata("sameClass.kt")
+  public void testSameClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.kt");
+  }
+
+  @Test
+  @TestMetadata("unrelatedClass.kt")
+  public void testUnrelatedClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.kt");
+  }
 }
diff --git a/analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirIdeDependentAnalysisSourceModuleIsSubclassOfTestGenerated.java b/analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirIdeDependentAnalysisSourceModuleIsSubclassOfTestGenerated.java
index 9c80048fe97..7a3f8335845 100644
--- a/analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirIdeDependentAnalysisSourceModuleIsSubclassOfTestGenerated.java
+++ b/analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirIdeDependentAnalysisSourceModuleIsSubclassOfTestGenerated.java
@@ -45,9 +45,39 @@ public class FirIdeDependentAnalysisSourceModuleIsSubclassOfTestGenerated extend
     KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf"), Pattern.compile("^(.+)\\.kt$"), null, true);
   }
 
+  @Test
+  @TestMetadata("childClass.kt")
+  public void testChildClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.kt");
+  }
+
+  @Test
+  @TestMetadata("grandParentClass.kt")
+  public void testGrandParentClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.kt");
+  }
+
   @Test
   @TestMetadata("localClasses.kt")
   public void testLocalClasses() {
     runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/localClasses.kt");
   }
+
+  @Test
+  @TestMetadata("parentClass.kt")
+  public void testParentClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.kt");
+  }
+
+  @Test
+  @TestMetadata("sameClass.kt")
+  public void testSameClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.kt");
+  }
+
+  @Test
+  @TestMetadata("unrelatedClass.kt")
+  public void testUnrelatedClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.kt");
+  }
 }
diff --git a/analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirIdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java b/analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirIdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java
index 09a69fc5b42..94c1971fbad 100644
--- a/analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirIdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java
+++ b/analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirIdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java
@@ -45,9 +45,39 @@ public class FirIdeNormalAnalysisSourceModuleIsSubclassOfTestGenerated extends A
     KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf"), Pattern.compile("^(.+)\\.kt$"), null, true);
   }
 
+  @Test
+  @TestMetadata("childClass.kt")
+  public void testChildClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.kt");
+  }
+
+  @Test
+  @TestMetadata("grandParentClass.kt")
+  public void testGrandParentClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.kt");
+  }
+
   @Test
   @TestMetadata("localClasses.kt")
   public void testLocalClasses() {
     runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/localClasses.kt");
   }
+
+  @Test
+  @TestMetadata("parentClass.kt")
+  public void testParentClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.kt");
+  }
+
+  @Test
+  @TestMetadata("sameClass.kt")
+  public void testSameClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.kt");
+  }
+
+  @Test
+  @TestMetadata("unrelatedClass.kt")
+  public void testUnrelatedClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.kt");
+  }
 }
diff --git a/analysis/analysis-api-standalone/tests-gen/org/jetbrains/kotlin/analysis/api/standalone/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirStandaloneNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java b/analysis/analysis-api-standalone/tests-gen/org/jetbrains/kotlin/analysis/api/standalone/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirStandaloneNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java
index 52ccd6dbdd1..f4691e9c53d 100644
--- a/analysis/analysis-api-standalone/tests-gen/org/jetbrains/kotlin/analysis/api/standalone/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirStandaloneNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java
+++ b/analysis/analysis-api-standalone/tests-gen/org/jetbrains/kotlin/analysis/api/standalone/fir/test/cases/generated/cases/components/symbolDeclarationOverridesProvider/FirStandaloneNormalAnalysisSourceModuleIsSubclassOfTestGenerated.java
@@ -45,9 +45,39 @@ public class FirStandaloneNormalAnalysisSourceModuleIsSubclassOfTestGenerated ex
     KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf"), Pattern.compile("^(.+)\\.kt$"), null, true);
   }
 
+  @Test
+  @TestMetadata("childClass.kt")
+  public void testChildClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.kt");
+  }
+
+  @Test
+  @TestMetadata("grandParentClass.kt")
+  public void testGrandParentClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.kt");
+  }
+
   @Test
   @TestMetadata("localClasses.kt")
   public void testLocalClasses() {
     runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/localClasses.kt");
   }
+
+  @Test
+  @TestMetadata("parentClass.kt")
+  public void testParentClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.kt");
+  }
+
+  @Test
+  @TestMetadata("sameClass.kt")
+  public void testSameClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.kt");
+  }
+
+  @Test
+  @TestMetadata("unrelatedClass.kt")
+  public void testUnrelatedClass() {
+    runTest("analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.kt");
+  }
 }
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.kt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.kt
new file mode 100644
index 00000000000..b17d8cb77ca
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.kt
@@ -0,0 +1,5 @@
+package test
+
+open class <caret_sub>MyClass
+
+class <caret_super>ChildClass : MyClass()
\ No newline at end of file
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.txt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.txt
new file mode 100644
index 00000000000..02f9d941b4a
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/childClass.txt
@@ -0,0 +1,2 @@
+IS_SUBCLASS: false
+IS_DIRECT_SUBCLASS: false
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.kt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.kt
new file mode 100644
index 00000000000..2d676abc196
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.kt
@@ -0,0 +1,7 @@
+package test
+
+open class <caret_super>GrandParent()
+
+open class Parent : GrandParent()
+
+class <caret_sub>MyClass : Parent()
\ No newline at end of file
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.txt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.txt
new file mode 100644
index 00000000000..f47502b604e
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/grandParentClass.txt
@@ -0,0 +1,2 @@
+IS_SUBCLASS: true
+IS_DIRECT_SUBCLASS: false
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.kt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.kt
new file mode 100644
index 00000000000..f64169e563a
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.kt
@@ -0,0 +1,5 @@
+package test
+
+open class <caret_super>Parent
+
+class <caret_sub>MyClass : Parent()
\ No newline at end of file
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.txt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.txt
new file mode 100644
index 00000000000..d624aa1c04d
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/parentClass.txt
@@ -0,0 +1,2 @@
+IS_SUBCLASS: true
+IS_DIRECT_SUBCLASS: true
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.descriptors.txt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.descriptors.txt
new file mode 100644
index 00000000000..f47502b604e
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.descriptors.txt
@@ -0,0 +1,2 @@
+IS_SUBCLASS: true
+IS_DIRECT_SUBCLASS: false
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.kt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.kt
new file mode 100644
index 00000000000..7d0ae007427
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.kt
@@ -0,0 +1,4 @@
+package test
+
+class <caret_sub><caret_super>A
+
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.txt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.txt
new file mode 100644
index 00000000000..02f9d941b4a
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/sameClass.txt
@@ -0,0 +1,2 @@
+IS_SUBCLASS: false
+IS_DIRECT_SUBCLASS: false
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.kt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.kt
new file mode 100644
index 00000000000..cfcd1df87a6
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.kt
@@ -0,0 +1,5 @@
+package test
+
+class <caret_sub>First
+
+class <caret_super>Second
\ No newline at end of file
diff --git a/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.txt b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.txt
new file mode 100644
index 00000000000..02f9d941b4a
--- /dev/null
+++ b/analysis/analysis-api/testData/components/symbolDeclarationOverridesProvider/isSubclassOf/unrelatedClass.txt
@@ -0,0 +1,2 @@
+IS_SUBCLASS: false
+IS_DIRECT_SUBCLASS: false