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Fix 64-bit integers being truncated to 32-bit in JNI

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This commit is contained in:
Serhii Snitsaruk
2025-10-30 11:32:17 +01:00
parent 07f4c06601
commit b0cb297cde
3 changed files with 17 additions and 5 deletions
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8
platform/android/java/app/src/instrumented/assets/test/javaclasswrapper/java_class_wrapper_tests.gd
View File

@@ -16,6 +16,8 @@ func run_tests():
__exec_test(test_variant_conversion_safe_from_stack_overflow)
__exec_test(test_big_integers)
print("JavaClassWrapper tests finished.")
print("Tests started: " + str(_test_started))
print("Tests completed: " + str(_test_completed))
@@ -134,3 +136,9 @@ func test_variant_conversion_safe_from_stack_overflow():
arr.append(dict)
# The following line will crash with stack overflow if not handled property:
TestClass.testDictionary(dict)
func test_big_integers():
var TestClass: JavaClass = JavaClassWrapper.wrap('com.godot.game.test.javaclasswrapper.TestClass')
assert_equal(TestClass.testArgLong(4242424242), "4242424242")
assert_equal(TestClass.testArgLong(-4242424242), "-4242424242")
assert_equal(TestClass.testDictionary({a = 4242424242, b = -4242424242}), "{a=4242424242, b=-4242424242}")

5
platform/android/java/app/src/instrumented/java/com/godot/game/test/javaclasswrapper/TestClass.kt
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@@ -103,6 +103,11 @@ class TestClass {
return i
}
@JvmStatic
fun testArgLong(a: Long): String {
return "${a}"
}
@JvmStatic
fun testArgBoolArray(a: BooleanArray): String {
return a.contentToString();

9
platform/android/jni_utils.cpp
View File

@@ -116,16 +116,15 @@ jvalue _variant_to_jvalue(JNIEnv *env, Variant::Type p_type, const Variant *p_ar
} break;
case Variant::INT: {
if (force_jobject) {
jclass bclass = jni_find_class(env, "java/lang/Integer");
jmethodID ctor = env->GetMethodID(bclass, "<init>", "(I)V");
jclass bclass = jni_find_class(env, "java/lang/Long");
jmethodID ctor = env->GetMethodID(bclass, "<init>", "(J)V");
jvalue val;
val.i = (int)(*p_arg);
val.j = (jlong)(*p_arg);
jobject obj = env->NewObjectA(bclass, ctor, &val);
value.l = obj;
env->DeleteLocalRef(bclass);
} else {
value.i = *p_arg;
value.j = (jlong)(*p_arg);
}
} break;
case Variant::FLOAT: {