1 files changed, 22 insertions, 0 deletions
diff --git a/go/leap/leap_test.go b/go/leap/leap_test.go
new file mode 100644
index 0000000..eabd1f2
--- /dev/null
+++ b/go/leap/leap_test.go
@@ -0,0 +1,22 @@
+package leap
+
+import "testing"
+
+func TestLeapYears(t *testing.T) {
+	for _, test := range testCases {
+		observed := IsLeapYear(test.year)
+		if observed != test.expected {
+			t.Fatalf("IsLeapYear(%d) = %t, want %t (%s)",
+				test.year, observed, test.expected, test.description)
+		}
+	}
+}
+
+// Benchmark 400 year interval to get fair weighting of different years.
+func Benchmark400(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		for y := 1600; y < 2000; y++ {
+			IsLeapYear(y)
+		}
+	}
+}