def test_non_existent(self):
"Non-existent classes/methods/fields return None from Find/Get APIs"
# A class that doesn't exist
UnknownClass = java.FindClass("java/XXX")
self.assertIsNone(UnknownClass.value)
# A class that does exist, that we can then search for non-existent methods
Example = java.FindClass("org/pybee/rubicon/test/Example")
self.assertIsNotNone(Example.value)
# Fields and Methods (static and non-static)
self.assertIsNone(java.GetMethodID(Example, "xxx", "()V").value)
self.assertIsNone(java.GetStaticMethodID(Example, "xxx", "()V").value)
self.assertIsNone(java.GetFieldID(Example, "xxx", "I").value)
self.assertIsNone(java.GetStaticFieldID(Example, "xxx", "I").value)
# Bad descriptors for existing fields/methods also fail.
self.assertIsNone(
java.GetMethodID(Example, "get_int_field", "()D").value)
self.assertIsNone(
java.GetStaticMethodID(Example, "get_static_int_field",
"()D").value)
self.assertIsNone(java.GetFieldID(Example, "int_field", "D").value)
self.assertIsNone(
java.GetStaticFieldID(Example, "static_int_field", "D").value)
def test_static(self):
"Static methods and fields can be invoked"
# Get a reference to the org.beeware.test.Example class
Example = java.FindClass("org/beeware/rubicon/test/Example")
self.assertIsNotNone(Example.value)
# Find the BaseExample.set_static_base_int_field() method on Example
Example__set_static_base_int_field = java.GetStaticMethodID(Example, "set_static_base_int_field", "(I)V")
self.assertIsNotNone(Example__set_static_base_int_field.value)
# Find the Example.get_static_base_int_field() method on Example
Example__get_static_base_int_field = java.GetStaticMethodID(Example, "get_static_base_int_field", "()I")
self.assertIsNotNone(Example__get_static_base_int_field.value)
# Find the Example.set_static_int_field() method
Example__set_static_int_field = java.GetStaticMethodID(Example, "set_static_int_field", "(I)V")
self.assertIsNotNone(Example__set_static_int_field.value)
# Find the Example.get_static_int_field() method
Example__get_static_int_field = java.GetStaticMethodID(Example, "get_static_int_field", "()I")
self.assertIsNotNone(Example__get_static_int_field.value)
# Find Example.static_int_field
Example__static_int_field = java.GetStaticFieldID(Example, "static_int_field", "I")
self.assertIsNotNone(Example__static_int_field.value)
# Find Example.static_base_int_field
Example__static_base_int_field = java.GetStaticFieldID(Example, "static_base_int_field", "I")
self.assertIsNotNone(Example__static_base_int_field.value)
# Use the get_static_int_field and get_static_base_int_field methods
self.assertEqual(java.CallStaticIntMethod(Example, Example__get_static_base_int_field), 1)
self.assertEqual(java.CallStaticIntMethod(Example, Example__get_static_int_field), 11)
self.assertEqual(java.GetStaticIntField(Example, Example__static_base_int_field), 1)
self.assertEqual(java.GetStaticIntField(Example, Example__static_int_field), 11)
# Use the set_static_int_field and set_static_base_int_field methods
java.CallVoidMethod(Example, Example__set_static_base_int_field, 1137)
java.CallVoidMethod(Example, Example__set_static_int_field, 1142)
# Confirm that the values have changed
self.assertEqual(java.CallStaticIntMethod(Example, Example__get_static_base_int_field), 1137)
self.assertEqual(java.CallStaticIntMethod(Example, Example__get_static_int_field), 1142)
self.assertEqual(java.GetStaticIntField(Example, Example__static_base_int_field), 1137)
self.assertEqual(java.GetStaticIntField(Example, Example__static_int_field), 1142)
def test_jlong(self):
""""A jlong can be created, and the content returned, even for large/small values
that push the boundaries of signed 64-bit integers"""
# Get the getter and setter
Example = java.FindClass(b"org/beeware/rubicon/test/Example")
getter = java.GetStaticMethodID(Example, b"get_static_long_field",
b"()J")
self.assertIsNotNone(getter.value)
setter = java.GetStaticMethodID(Example, b"set_static_long_field",
b"(J)V")
self.assertIsNotNone(setter.value)
for num in (0, -1, 1 << 31, 1 << 32, -1 * 1 << 32, (1 << 63 - 1),
-1 * (1 << 63 - 1)):
# Validate rubicon.types.jlong.
self.assertEqual(jlong(num).value, num)
# Validate round trips through Java.
java.CallStaticVoidMethod(Example, setter, jlong(num))
self.assertEqual(java.CallStaticLongMethod(Example, getter), num)