Add NumberUtilsTests

Add some tests for stuff in math.NumberUtils

1 files changed, 41 insertions, 0 deletions

diff --git a/base/src/test/java/bjc/utils/test/math/NumberUtilsTest.java b/base/src/test/java/bjc/utils/test/math/NumberUtilsTest.java
new file mode 100644
index 0000000..6176a41
--- /dev/null
+++ b/base/src/test/java/bjc/utils/test/math/NumberUtilsTest.java
@@ -0,0 +1,41 @@
+package bjc.utils.test.math;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+import bjc.utils.math.NumberUtils;
+
+public class NumberUtilsTest {
+
+	@Test
+	public void testRomanNumerals() {
+		assertRomanEquals("N", 0);
+		
+		assertRomanEquals("I", 1);
+		assertRomanEquals("IV", 4);
+		
+		assertRomanEquals("VI", 6);
+		
+		assertRomanEquals("CCCXLIX", 349);
+		assertRomanEquals("CCCLX", 360);
+		
+		assertRomanEquals("CDXC", 490);
+		
+		assertRomanEquals("DIX", 509);
+		
+		assertRomanEquals("CMX", 910);
+		assertRomanEquals("MIV", 1004);
+		
+		assertRomanEquals("-IIII", -4, true);
+		assertRomanEquals("IIII", 4, true);
+	}
+	
+	private static void assertRomanEquals(String exp, long res) {
+		assertRomanEquals(exp, res, false);
+	}
+	
+	private static void assertRomanEquals(String exp, long res, boolean classic) {
+		assertEquals(exp, NumberUtils.toRoman(res, classic));
+	}
+}