1 files changed, 110 insertions, 0 deletions
diff --git a/libraries/spongycastle/prov/src/test/java/org/spongycastle/jce/provider/test/AlgorithmParametersTest.java b/libraries/spongycastle/prov/src/test/java/org/spongycastle/jce/provider/test/AlgorithmParametersTest.java
new file mode 100644
index 000000000..eae5375f8
--- /dev/null
+++ b/libraries/spongycastle/prov/src/test/java/org/spongycastle/jce/provider/test/AlgorithmParametersTest.java
@@ -0,0 +1,110 @@
+package org.spongycastle.jce.provider.test;
+
+import org.spongycastle.jce.provider.BouncyCastleProvider;
+import org.spongycastle.util.encoders.Base64;
+import org.spongycastle.util.test.SimpleTest;
+
+import java.io.IOException;
+import java.security.AlgorithmParameters;
+import java.security.Security;
+import java.security.spec.AlgorithmParameterSpec;
+import java.security.spec.DSAParameterSpec;
+import java.security.spec.InvalidParameterSpecException;
+
+public class AlgorithmParametersTest
+    extends SimpleTest
+{
+    private byte[] dsaParams = Base64.decode(
+        "MIGcAkEAjfKklEkidqo9JXWbsGhpy+rA2Dr7jQz3y7gyTw14guXQdi/FtyEOr8Lprawyq3qsSWk9+/g3J"
+      + "MLsBzbuMcgCkQIVAMdzIYxzfsjumTtPLe0w9I7azpFfAkBP3Z9K7oNeZMXEXYpqvrMUgVdFjq4lnWJoV8"
+      + "Rwe+TERStHTkqSO7sp0lq7EEggVMcuXtarKNsxaJ+qyYv/n1t6");
+
+    private void basicTest(String algorithm, Class algorithmParameterSpec, byte[] asn1Encoded)
+        throws Exception
+    {
+        AlgorithmParameters alg = AlgorithmParameters.getInstance(algorithm, "SC");
+
+        alg.init(asn1Encoded);
+
+        try
+        {
+            alg.init(asn1Encoded);
+            fail("encoded re-initialization not detected");
+        }
+        catch (IOException e)
+        {
+            // expected already initialized
+        }
+
+        AlgorithmParameterSpec spec = alg.getParameterSpec(algorithmParameterSpec);
+
+        try
+        {
+            alg.init(spec);
+            fail("spec re-initialization not detected");
+        }
+        catch (InvalidParameterSpecException e)
+        {
+            // expected already initialized
+        }
+
+        try
+        {
+            spec = alg.getParameterSpec(AlgorithmParameterSpec.class);
+            fail("wrong spec not detected");
+        }
+        catch (InvalidParameterSpecException e)
+        {
+            // expected unknown object
+        }
+
+        try
+        {
+            spec = alg.getParameterSpec(null);
+            fail("null spec not detected");
+        }
+        catch (NullPointerException e)
+        {
+            // expected unknown object
+        }
+
+        alg = AlgorithmParameters.getInstance(algorithm, "SC");
+
+        alg.init(asn1Encoded, "ASN.1");
+
+        alg = AlgorithmParameters.getInstance(algorithm, "SC");
+
+        alg.init(asn1Encoded, null);
+
+        alg = AlgorithmParameters.getInstance(algorithm, "SC");
+
+        try
+        {
+            alg.init(asn1Encoded, "FRED");
+            fail("unknown spec not detected");
+        }
+        catch (IOException e)
+        {
+            // expected already initialized
+        }
+    }
+
+    public void performTest()
+        throws Exception
+    {
+        basicTest("DSA", DSAParameterSpec.class, dsaParams);
+    }
+
+    public String getName()
+    {
+        return "AlgorithmParameters";
+    }
+
+    public static void main(
+        String[]    args)
+    {
+        Security.addProvider(new BouncyCastleProvider());
+
+        runTest(new AlgorithmParametersTest());
+    }
+}