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Catch ClassCastException when the encountered type doesn't match the

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expected type, and re-throw as FormatException.
This commit is contained in:
akwizgran
2011-07-20 15:07:17 +01:00
parent 30d7a0f916
commit 45b4bef348
4 changed files with 47 additions and 10 deletions
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42
test/net/sf/briar/serial/ReaderImplTest.java
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@@ -8,6 +8,7 @@ import java.util.Map;
import java.util.Map.Entry;
import junit.framework.TestCase;
import net.sf.briar.api.serial.FormatException;
import net.sf.briar.api.serial.ObjectReader;
import net.sf.briar.api.serial.Raw;
import net.sf.briar.api.serial.RawByteArray;
@@ -176,6 +177,17 @@ public class ReaderImplTest extends TestCase {
assertTrue(r.eof());
}
@Test
public void testReadListTypeSafeThrowsFormatException() throws Exception {
setContents("A" + "3" + "01" + "83666F6F" + "03");
// Trying to read a mixed list as a list of bytes should throw a
// FormatException
try {
r.readList(Byte.class);
assertTrue(false);
} catch(FormatException expected) {}
}
@Test
public void testReadShortMap() throws Exception {
setContents("B" + "2" + "83666F6F" + "7B" + "90" + "F0");
@@ -338,7 +350,35 @@ public class ReaderImplTest extends TestCase {
}
});
assertEquals(0, r.readUserDefinedTag());
assertEquals("foo", r.<Foo>readUserDefinedObject(0).s);
assertEquals("foo", r.readUserDefinedObject(0, Foo.class).s);
}
@Test
public void testUnknownTagThrowsFormatException() throws Exception {
setContents("C0" + "83666F6F");
// No object reader has been added for tag 0
assertEquals(0, r.readUserDefinedTag());
try {
r.readUserDefinedObject(0, Foo.class);
assertTrue(false);
} catch(FormatException expected) {}
}
@Test
public void testWrongClassThrowsFormatException() throws Exception {
setContents("C0" + "83666F6F");
// Add an object reader for tag 0, class Foo
r.addObjectReader(0, new ObjectReader<Foo>() {
public Foo readObject(Reader r) throws IOException {
return new Foo(r.readString());
}
});
assertEquals(0, r.readUserDefinedTag());
// Trying to read the object as class Bar should throw a FormatException
try {
r.readUserDefinedObject(0, Bar.class);
assertTrue(false);
} catch(FormatException expected) {}
}
@Test