1 files changed, 23 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/euclid/test/BigIntEuclideanTest.java b/libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/euclid/test/BigIntEuclideanTest.java
new file mode 100644
index 000000000..5078090a0
--- /dev/null
+++ b/libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/euclid/test/BigIntEuclideanTest.java
@@ -0,0 +1,23 @@
+package org.spongycastle.pqc.math.ntru.euclid.test;
+
+import java.math.BigInteger;
+
+import junit.framework.TestCase;
+import org.spongycastle.pqc.math.ntru.euclid.BigIntEuclidean;
+
+public class BigIntEuclideanTest
+    extends TestCase
+{
+    public void testCalculate()
+    {
+        BigIntEuclidean r = BigIntEuclidean.calculate(BigInteger.valueOf(120), BigInteger.valueOf(23));
+        assertEquals(BigInteger.valueOf(-9), r.x);
+        assertEquals(BigInteger.valueOf(47), r.y);
+        assertEquals(BigInteger.valueOf(1), r.gcd);
+
+        r = BigIntEuclidean.calculate(BigInteger.valueOf(126), BigInteger.valueOf(231));
+        assertEquals(BigInteger.valueOf(2), r.x);
+        assertEquals(BigInteger.valueOf(-1), r.y);
+        assertEquals(BigInteger.valueOf(21), r.gcd);
+    }
+}
+\ No newline at end of file