From 52ba5a3e1068c74e5e8a9bd991eb4e920df9e149 Mon Sep 17 00:00:00 2001
From: Tagir Valeev <Tagir.Valeev@jetbrains.com>
Date: Thu, 23 Jan 2020 10:56:08 +0700
Subject: [PATCH] Test for extract method containing pattern variable
 (IDEA-229901)

GitOrigin-RevId: 34ca9d82a66a7c3c71420b94ca9cbcd2fff7be68
---
 .../refactoring/extractMethod/PatternVariable.java    |  7 +++++++
 .../extractMethod/PatternVariable_after.java          | 11 +++++++++++
 .../intellij/java/refactoring/ExtractMethodTest.java  |  4 ++++
 3 files changed, 22 insertions(+)
 create mode 100644 java/java-tests/testData/refactoring/extractMethod/PatternVariable.java
 create mode 100644 java/java-tests/testData/refactoring/extractMethod/PatternVariable_after.java

diff --git a/java/java-tests/testData/refactoring/extractMethod/PatternVariable.java b/java/java-tests/testData/refactoring/extractMethod/PatternVariable.java
new file mode 100644
index 000000000000..2ceef69bc6c8
--- /dev/null
+++ b/java/java-tests/testData/refactoring/extractMethod/PatternVariable.java
@@ -0,0 +1,7 @@
+class X {
+    void test(Object obj) {
+        if (obj instanceof String a) {
+            System.out.println(<selection>a.length()</selection>);
+        }
+    }
+}
\ No newline at end of file
diff --git a/java/java-tests/testData/refactoring/extractMethod/PatternVariable_after.java b/java/java-tests/testData/refactoring/extractMethod/PatternVariable_after.java
new file mode 100644
index 000000000000..fb2ef49b8387
--- /dev/null
+++ b/java/java-tests/testData/refactoring/extractMethod/PatternVariable_after.java
@@ -0,0 +1,11 @@
+class X {
+    void test(Object obj) {
+        if (obj instanceof String a) {
+            System.out.println(newMethod(a));
+        }
+    }
+
+    private int newMethod(String a) {
+        return a.length();
+    }
+}
\ No newline at end of file
diff --git a/java/java-tests/testSrc/com/intellij/java/refactoring/ExtractMethodTest.java b/java/java-tests/testSrc/com/intellij/java/refactoring/ExtractMethodTest.java
index d808694eb03b..c07b3ab52412 100644
--- a/java/java-tests/testSrc/com/intellij/java/refactoring/ExtractMethodTest.java
+++ b/java/java-tests/testSrc/com/intellij/java/refactoring/ExtractMethodTest.java
@@ -940,6 +940,10 @@ public class ExtractMethodTest extends LightJavaCodeInsightTestCase {
   public void testParametrizedDuplicateExpression() throws Exception {
     doDuplicatesTest();
   }
+  
+  public void testPatternVariable() throws Exception {
+    doTestWithLanguageLevel(LanguageLevel.JDK_14_PREVIEW);
+  }
 
   public void testSuggestChangeSignatureWithChangedParameterName() throws Exception {
     configureByFile(BASE_PATH + getTestName(false) + ".java");