1 files changed, 96 insertions, 0 deletions
diff --git a/src/clojure/contrib/math/tests.clj b/src/clojure/contrib/math/tests.clj
new file mode 100644
index 00000000..19304924
--- /dev/null
+++ b/src/clojure/contrib/math/tests.clj
@@ -0,0 +1,96 @@
+(ns clojure.contrib.math.tests
+  (:use clojure.contrib.test-is
+	clojure.contrib.math))
+
+(deftest test-expt
+  (are (= _1 _2)
+      (expt 2 3) 8
+      (expt (expt 2 32) 2) (expt 2 64)
+      (expt 4/3 2) 16/9
+      (expt 2 -10) 1/1024
+      (expt 0.5M 2) 0.25M
+      (expt 5 4.2) (Math/pow 5 4.2)
+      (expt 5.3 4) (Math/pow 5.3 4)))
+
+(deftest test-abs
+  (are (= _1 _2)  
+      (abs -2) 2
+      (abs 0) 0
+      (abs 5) 5
+      (abs 123456789123456789) 123456789123456789
+      (abs -123456789123456789) 123456789123456789
+      (abs 5/3) 5/3
+      (abs -4/3) 4/3
+      (abs 4.3M) 4.3M
+      (abs -4.3M) 4.3M
+      (abs 2.8) 2.8
+      (abs -2.8) 2.8))
+
+(deftest test-gcd
+  (are (= _1 _2)
+      (gcd 4 3) 1
+      (gcd 24 12) 12
+      (gcd 24 27) 3))
+
+(deftest test-floor
+  (are (= _1 _2)
+      (floor 6) 6
+      (floor -6) -6
+      (floor 123456789123456789) 123456789123456789
+      (floor -123456789123456789) -123456789123456789
+      (floor 4/3) 1
+      (floor -4/3) -2
+      (floor 4.3M) 4
+      (floor -4.3M) -5
+      (floor 4.3) 4.0
+      (floor -4.3) -5.0))
+
+(deftest test-ceil
+  (are (= _1 _2)
+      (ceil 6) 6
+      (ceil -6) -6
+      (ceil 123456789123456789) 123456789123456789
+      (ceil -123456789123456789) -123456789123456789
+      (ceil 4/3) 2
+      (ceil -4/3) -1
+      (ceil 4.3M) 5
+      (ceil -4.3M) -4
+      (ceil 4.3) 5.0
+      (ceil -4.3) -4.0))
+
+(deftest test-round
+  (are (= _1 _2)
+      (round 6) 6
+      (round -6) -6
+      (round 123456789123456789) 123456789123456789
+      (round -123456789123456789) -123456789123456789
+      (round 4/3) 1
+      (round 5/3) 2
+      (round 5/2) 3
+      (round -4/3) -1
+      (round -5/3) -2
+      (round -5/2) -2
+      (round 4.3M) 4
+      (round 4.7M) 5
+      (round -4.3M) -4
+      (round -4.7M) -5
+      (round 4.5M) 5
+      (round -4.5M) -4
+      (round 4.3) 4
+      (round 4.7) 5
+      (round -4.3) -4
+      (round -4.7) -5
+      (round 4.5) 5
+      (round -4.5) -4))
+
+(deftest test-sqrt
+  (are (= _1 _2)
+      (sqrt 9) 3
+      (sqrt 16/9) 4/3
+      (sqrt 0.25M) 0.5M
+      (sqrt 2) (Math/sqrt 2)))
+
+(deftest test-exact-integer-sqrt
+  (are (= _1 _2)
+   (exact-integer-sqrt 15) [3 6]
+   (exact-integer-sqrt (inc (expt 2 64))) [(expt 2 32) 1]))