Move tests to new package

1 files changed, 60 insertions, 0 deletions

diff --git a/src/test/java/bjc/TestUtils.java b/src/test/java/bjc/TestUtils.java
new file mode 100644
index 0000000..3c2efa7
--- /dev/null
+++ b/src/test/java/bjc/TestUtils.java
@@ -0,0 +1,60 @@
+package bjc;
+
+import java.util.Iterator;
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+public class TestUtils {
+	/**
+	 * Assert an iterator provides a particular sequence of values.
+	 * 
+	 * @param src
+	 *                The iterator to pull values from.
+	 * @param vals
+	 *                The values to expect from the iterator.
+	 */
+	@SafeVarargs
+	public static <T> void assertIteratorEquals(Iterator<T> src, T... vals) {
+		for (T val : vals) {
+			assertEquals(val, src.next());
+		}
+	}
+
+	/**
+	 * Assert an iterator provides a particular sequence of values.
+	 * 
+	 * @param src
+	 *                The iterator to pull values from.
+	 * @param hasMore
+	 *                The expected value of hasNext for the iterator.
+	 * @param vals
+	 *                The values to expect from the iterator.
+	 */
+	@SafeVarargs
+	public static <T> void assertIteratorEquals(boolean hasMore, Iterator<T> src, T... vals) {
+		/*
+		 * @NOTE
+		 * 
+		 * Even though it's awkward, the boolean has to come first.
+		 * Otherwise, there are cases where the compiler will get
+		 * confused as to what the right value for T is, and be unable
+		 * to pick an overload.
+		 */
+		assertIteratorEquals(src, vals);
+
+		assertEquals("iterator not exhausted", hasMore, src.hasNext());
+	}
+
+	@SafeVarargs
+	public static <T> void assertListEquals(List<T> src, T... exps) {
+		assertEquals(exps.length, src.size());
+
+		int i = 0;
+		for (T act : src) {
+			T exp = exps[i++];
+
+			assertEquals(exp, act);
+		}
+	}
+}