Add a test for ParseException

The test simply creates an exception and verifies that it has the
required fields.

Test: atest FrameworksNetTests
Change-Id: I76ded2ac3f93ff3910bba3f1e4f1c17092e35372

tests/net/common/java/ParseExceptionTest.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import android.net.ParseException
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import junit.framework.Assert.assertEquals
+import junit.framework.Assert.assertNull
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class ParseExceptionTest {
+    @Test
+    fun testConstructor_WithCause() {
+        val testMessage = "Test message"
+        val base = Exception("Test")
+        val exception = ParseException(testMessage, base)
+
+        assertEquals(testMessage, exception.response)
+        assertEquals(base, exception.cause)
+    }
+
+    @Test
+    fun testConstructor_NoCause() {
+        val testMessage = "Test message"
+        val exception = ParseException(testMessage)
+
+        assertEquals(testMessage, exception.response)
+        assertNull(exception.cause)
+    }
+}