From 7f910289b51191deeb2a0aadc5e20a96cc12b725 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Sat, 21 Dec 2024 22:49:40 -0500
Subject: [PATCH] Add test for Expression Optimization Issue

---
 .../java/decompiler/SingleClassesTest.java    |  2 +
 testData/results/pkg/TestLVTReassignment.dec  | 50 +++++++++++++++++++
 .../src/java8/pkg/TestLVTReassignment.java    | 17 +++++++
 3 files changed, 69 insertions(+)
 create mode 100644 testData/results/pkg/TestLVTReassignment.dec
 create mode 100644 testData/src/java8/pkg/TestLVTReassignment.java

diff --git a/test/org/jetbrains/java/decompiler/SingleClassesTest.java b/test/org/jetbrains/java/decompiler/SingleClassesTest.java
index 2efcad46b..75b0ca697 100644
--- a/test/org/jetbrains/java/decompiler/SingleClassesTest.java
+++ b/test/org/jetbrains/java/decompiler/SingleClassesTest.java
@@ -711,6 +711,8 @@ private void registerDefault() {
     // TODO: broken stack processing, deleted ternary!
     register(JAVA_17, "TestPatternMatchingLoops");
     register(JAVA_8, "TestBoxingSuperclass");
+    // TODO: shouldBeOne is completely deleted
+    register(JAVA_8, "TestLVTReassignment");
   }
 
   private void registerEntireClassPath() {
diff --git a/testData/results/pkg/TestLVTReassignment.dec b/testData/results/pkg/TestLVTReassignment.dec
new file mode 100644
index 000000000..5682c6642
--- /dev/null
+++ b/testData/results/pkg/TestLVTReassignment.dec
@@ -0,0 +1,50 @@
+package pkg;
+
+public class TestLVTReassignment {
+   public void test() {
+      double one = 1.0;// 5
+      one = 0.0;// 7
+      if (one > 1.0) {// 8
+      }
+
+      this.blackhole(one);// 6 11
+   }// 12
+
+   void blackhole(double value) {
+   }// 16
+}
+
+class 'pkg/TestLVTReassignment' {
+   method 'test ()V' {
+      0      4
+      1      4
+      2      9
+      4      5
+      5      5
+      6      6
+      7      6
+      8      6
+      9      6
+      a      6
+      b      6
+      c      9
+      d      9
+      e      9
+      f      9
+      10      9
+      11      10
+   }
+
+   method 'blackhole (D)V' {
+      0      13
+   }
+}
+
+Lines mapping:
+5 <-> 5
+6 <-> 10
+7 <-> 6
+8 <-> 7
+11 <-> 10
+12 <-> 11
+16 <-> 14
diff --git a/testData/src/java8/pkg/TestLVTReassignment.java b/testData/src/java8/pkg/TestLVTReassignment.java
new file mode 100644
index 000000000..9623b090d
--- /dev/null
+++ b/testData/src/java8/pkg/TestLVTReassignment.java
@@ -0,0 +1,17 @@
+package pkg;
+
+public class TestLVTReassignment {
+  public void test() {
+    double one = 1;
+    double shouldBeOne = one;
+    one = 0;
+    if (one > 1) {
+    }
+
+    blackhole(shouldBeOne);
+  }
+
+  void blackhole(double value) {
+
+  }
+}