Fix nested pattern matching

1 files changed, 40 insertions, 0 deletions

diff --git a/src/test/kotlin/com/replaymod/gradle/remap/pattern/TestFieldReference.kt b/src/test/kotlin/com/replaymod/gradle/remap/pattern/TestFieldReference.kt
new file mode 100644
index 0000000..a3a6efc
--- /dev/null
+++ b/src/test/kotlin/com/replaymod/gradle/remap/pattern/TestFieldReference.kt
@@ -0,0 +1,40 @@
+package com.replaymod.gradle.remap.pattern
+
+import com.replaymod.gradle.remap.util.TestData
+import io.kotest.matchers.shouldBe
+import org.junit.jupiter.api.Test
+
+class TestFieldReference {
+    @Test
+    fun `should match field on left side of assignment when replaced by field`() {
+        TestData.remap("test/Test.java", """
+            class Test {
+                Test field;
+                private void test() {
+                    field = field;
+                    this.field = this.field;
+                    this.field.field = this.field.field;
+                }
+            }
+        """.trimIndent(), """
+            @remap.Pattern
+            private test.Test pattern(test.Test obj) {
+                return obj.field;
+            }
+        """.trimIndent(), """
+            @remap.Pattern
+            private test.Test pattern(test.Test obj) {
+                return obj.matched;
+            }
+        """.trimIndent()) shouldBe """
+            class Test {
+                Test field;
+                private void test() {
+                    field = field;
+                    this.matched = this.matched;
+                    this.matched.matched = this.matched.matched;
+                }
+            }
+        """.trimIndent()
+    }
+}
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