1 files changed, 84 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/test/java/org/spongycastle/asn1/test/CertHashUnitTest.java b/libraries/spongycastle/core/src/test/java/org/spongycastle/asn1/test/CertHashUnitTest.java
new file mode 100644
index 000000000..e94e45074
--- /dev/null
+++ b/libraries/spongycastle/core/src/test/java/org/spongycastle/asn1/test/CertHashUnitTest.java
@@ -0,0 +1,84 @@
+package org.spongycastle.asn1.test;
+
+import org.spongycastle.asn1.ASN1InputStream;
+import org.spongycastle.asn1.ASN1Sequence;
+import org.spongycastle.asn1.DERObjectIdentifier;
+import org.spongycastle.asn1.isismtt.ocsp.CertHash;
+import org.spongycastle.asn1.x509.AlgorithmIdentifier;
+
+import java.io.IOException;
+
+public class CertHashUnitTest
+    extends ASN1UnitTest
+{
+    public String getName()
+    {
+        return "CertHash";
+    }
+
+    public void performTest()
+        throws Exception
+    {
+        AlgorithmIdentifier algId = new AlgorithmIdentifier(new DERObjectIdentifier("1.2.2.3"));
+        byte[]              digest = new byte[20];
+        
+        CertHash certID = new CertHash(algId, digest);
+
+        checkConstruction(certID, algId, digest);
+
+        certID = CertHash.getInstance(null);
+
+        if (certID != null)
+        {
+            fail("null getInstance() failed.");
+        }
+
+        try
+        {
+            CertHash.getInstance(new Object());
+
+            fail("getInstance() failed to detect bad object.");
+        }
+        catch (IllegalArgumentException e)
+        {
+            // expected
+        }
+    }
+
+    private void checkConstruction(
+        CertHash certHash,
+        AlgorithmIdentifier algId,
+        byte[] digest)
+        throws IOException
+    {
+        checkValues(certHash, algId, digest);
+
+        certHash = CertHash.getInstance(certHash);
+
+        checkValues(certHash, algId, digest);
+
+        ASN1InputStream aIn = new ASN1InputStream(certHash.toASN1Object().getEncoded());
+
+        ASN1Sequence seq = (ASN1Sequence)aIn.readObject();
+
+        certHash = CertHash.getInstance(seq);
+
+        checkValues(certHash, algId, digest);
+    }
+
+    private void checkValues(
+        CertHash certHash,
+        AlgorithmIdentifier algId,
+        byte[] digest)
+    {
+        checkMandatoryField("algorithmHash", algId, certHash.getHashAlgorithm());
+
+        checkMandatoryField("certificateHash", digest, certHash.getCertificateHash());
+    }
+
+    public static void main(
+        String[]    args)
+    {
+        runTest(new CertHashUnitTest());
+    }
+}