java/src/test/java/org/whispersystems/libaxolotl/CurveTest.java


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package org.whispersystems.libaxolotl;

import junit.framework.TestCase;

import org.whispersystems.libaxolotl.ecc.Curve;
import org.whispersystems.libaxolotl.ecc.ECKeyPair;

public class CurveTest extends TestCase {

  public void testPureJava() {
    assertFalse(Curve.isNative());
  }

  public void testSignatureOverflow() throws InvalidKeyException {
    ECKeyPair keys    = Curve.generateKeyPair();
    byte[]    message = new byte[4096];

    try {
      byte[] signature = Curve.calculateSignature(keys.getPrivateKey(), message);
      throw new InvalidKeyException("Should have asserted!");
    } catch (IllegalArgumentException e) {
      // Success!
    }
  }

}