package com.facebook.thrift.test;
import com.facebook.thrift.protocol.TBinaryProtocol;
import com.facebook.thrift.protocol.TProtocol;
import com.facebook.thrift.transport.TMemoryBuffer;
import thrift.test.Empty;
import thrift.test.StructWithAUnion;
import thrift.test.TestUnion;
import org.junit.*;
public class UnionTest extends junit.framework.TestCase {
@Test
public static void testBasic() throws Exception {
TestUnion union = new TestUnion();
if (union.isSet()) {
throw new RuntimeException("new union with default constructor counts as set!");
}
if (union.getFieldValue() != null) {
throw new RuntimeException("unset union didn't return null for value");
}
union = new TestUnion(TestUnion.I32_FIELD, 25);
if ((Integer)union.getFieldValue() != 25) {
throw new RuntimeException("set i32 field didn't come out as planned");
}
if ((Integer)union.getFieldValue(TestUnion.I32_FIELD) != 25) {
throw new RuntimeException("set i32 field didn't come out of TBase getFieldValue");
}
try {
union.getFieldValue(TestUnion.STRING_FIELD);
throw new RuntimeException("was expecting an exception around wrong set field");
} catch (IllegalArgumentException e) {
// cool!
}
System.out.println(union);
union = new TestUnion();
union.setI32_field(1);
if (union.getI32_field() != 1) {
throw new RuntimeException("didn't get the right value for i32 field!");
}
try {
union.getString_field();
throw new RuntimeException("should have gotten an exception");
} catch (Exception e) {
// sweet
}
}
@Test
public static void testEquality() throws Exception {
TestUnion union = new TestUnion(TestUnion.I32_FIELD, 25);
TestUnion otherUnion = new TestUnion(TestUnion.STRING_FIELD, "blah!!!");
if (union.equals(otherUnion)) {
throw new RuntimeException("shouldn't be equal");
}
otherUnion = new TestUnion(TestUnion.I32_FIELD, 400);
if (union.equals(otherUnion)) {
throw new RuntimeException("shouldn't be equal");
}
otherUnion = new TestUnion(TestUnion.OTHER_I32_FIELD, 25);
if (union.equals(otherUnion)) {
throw new RuntimeException("shouldn't be equal");
}
}
@Test
public static void testSerialization() throws Exception {
TestUnion union = new TestUnion(TestUnion.I32_FIELD, 25);
TMemoryBuffer buf = new TMemoryBuffer(0);
TProtocol proto = new TBinaryProtocol(buf);
union.write(proto);
TestUnion u2 = new TestUnion();
u2.read(proto);
if (!u2.equals(union)) {
throw new RuntimeException("serialization fails!");
}
StructWithAUnion swau = new StructWithAUnion(u2);
buf = new TMemoryBuffer(0);
proto = new TBinaryProtocol(buf);
swau.write(proto);
StructWithAUnion swau2 = new StructWithAUnion();
if (swau2.equals(swau)) {
throw new RuntimeException("objects match before they are supposed to!");
}
swau2.read(proto);
if (!swau2.equals(swau)) {
throw new RuntimeException("objects don't match when they are supposed to!");
}
// this should NOT throw an exception.
buf = new TMemoryBuffer(0);
proto = new TBinaryProtocol(buf);
swau.write(proto);
new Empty().read(proto);
}
}