Adding disambiguating tests for jint and jdouble.

This is potentially causing issues for Windows builds.

See #198 for context.

PiperOrigin-RevId: 568324793

javatests/com/jnibind/test/MethodTest.java

@@ -224,4 +224,15 @@ public void overloadTests() {
     verify(rJniTestHelper).foo(123.f);
     verify(rJniTestHelper).foo(123.f, 456.f);
   }
+
+  /** Overload Tests: int double disambiguation */
+  native void jniCallFooOverload4(MethodTestHelper mockMethodTestHelper);
+
+  @Test
+  public void intAndDoubleDifferentiateOnOverload() {
+    jniCallFooOverload4(rJniTestHelper);
+
+    verify(rJniTestHelper).intDouble(123, 456.);
+    verify(rJniTestHelper).intDouble(456., 123);
+  }
 }

javatests/com/jnibind/test/MethodTestHelper.java

@@ -113,4 +113,8 @@ public int foo(float f1) {
   public int foo(float f1, float f2) {
     return -1;
   }
+
+  public void intDouble(int v1, double v2) {}
+
+  public void intDouble(double v1, int v2) {}
 }

javatests/com/jnibind/test/method_test_jni.cc

@@ -68,6 +68,12 @@ constexpr Class kMethodTestHelper {
       Overload { Return<int>{}, Params<jfloat>{}},
       Overload { Return<int>{}, Params<jfloat,jfloat>{}}
     },
+
+    // Overloaded double/int Tests.
+    Method{"intDouble",
+      Overload { Return<void>{}, Params<jint, jdouble>{}},
+      Overload { Return<void>{}, Params<jdouble, jint>{}}
+    },
 };
 // clang-format on
 
@@ -251,4 +257,12 @@ JNIEXPORT int JNICALL Java_com_jnibind_test_MethodTest_jniCallFooOverload3(
   return gtest_helper("foo", 123.f, 456.f);
 }
 
+/** Overload int/double disambiguation. */
+JNIEXPORT void JNICALL Java_com_jnibind_test_MethodTest_jniCallFooOverload4(
+    JNIEnv* env, jclass, jobject object) {
+  LocalObject<kMethodTestHelper> gtest_helper{object};
+  gtest_helper("intDouble", 123, 456.);
+  gtest_helper("intDouble", 456., 123);
+}
+
 }  // extern "C"