Add regression coverage - overloaded initializer names

Author: tiennguyen2310

Tests/JExtractSwiftTests/MethodImportTests.swift

@@ -668,6 +668,44 @@ final class MethodImportTests {
     )
   }
 
+  let overloadedInitializers_interfaceFile =
+    """
+    import Swift
+
+    public class OverloadedInitializerClass {
+      public init(throwing: Swift.Bool) throws
+      public init?(doInit: Swift.Bool)
+    }
+    """
+
+  let overloadedFFMInitializers_interfaceFile =
+    """
+    import Swift
+
+    public class OverloadedFFMInitializerClass {
+      public init(throwing: Swift.Bool) throws
+      public init(doInit: Swift.Bool)
+    }
+    """
+
+  @Test("FFM: Overloaded initializers with same Java signature get suffixed Java names")
+  func ffm_overloaded_initializers_suffixed() throws {
+    try assertOutput(
+      input: overloadedFFMInitializers_interfaceFile,
+      .ffm,
+      .java,
+      swiftModuleName: "OverloadModule",
+      expectedChunks: [
+        "public static OverloadedFFMInitializerClass initThrowing(boolean throwing, AllocatingSwiftArena swiftArena)",
+        "public static OverloadedFFMInitializerClass initDoInit(boolean doInit, AllocatingSwiftArena swiftArena)",
+      ],
+      notExpectedChunks: [
+        "public static OverloadedFFMInitializerClass init(boolean throwing, AllocatingSwiftArena swiftArena)",
+        "public static OverloadedFFMInitializerClass init(boolean doInit, AllocatingSwiftArena swiftArena)",
+      ]
+    )
+  }
+
   // ==== -------------------------------------------------------------------
   // MARK: JNI overloaded method disambiguation
 
@@ -776,4 +814,22 @@ final class MethodImportTests {
       ]
     )
   }
+
+  @Test("JNI: Overloaded initializers with same Java signature get suffixed Java names")
+  func jni_overloaded_initializers_suffixed() throws {
+    try assertOutput(
+      input: overloadedInitializers_interfaceFile,
+      .jni,
+      .java,
+      swiftModuleName: "OverloadModule",
+      expectedChunks: [
+        "public static OverloadedInitializerClass initThrowing(boolean throwing, SwiftArena swiftArena) throws Exception",
+        "public static java.util.Optional<OverloadedInitializerClass> initDoInit(boolean doInit, SwiftArena swiftArena)",
+      ],
+      notExpectedChunks: [
+        "public static OverloadedInitializerClass init(boolean throwing, SwiftArena swiftArena)",
+        "public static java.util.Optional<OverloadedInitializerClass> init(boolean doInit, SwiftArena swiftArena)",
+      ]
+    )
+  }
 }