order tests

1 files changed, 42 insertions, 1 deletions

diff --git a/gen/test/order_test.erl b/gen/test/order_test.erl
index bd30c4d..6559bd8 100644
--- a/gen/test/order_test.erl
+++ b/gen/test/order_test.erl
@@ -1,6 +1,47 @@
 -module(order_test).
 -compile(no_auto_import).
 
--export([]).
+-export([reverse_test/0, to_int_test/0, compare_test/0, max_test/0, min_test/0]).
 
+reverse_test() ->
+    expect:equal(order:reverse(lt), gt),
+    expect:equal(order:reverse(eq), eq),
+    expect:equal(order:reverse(gt), lt).
 
+to_int_test() ->
+    expect:equal(order:to_int(lt), -1),
+    expect:equal(order:to_int(eq), 0),
+    expect:equal(order:to_int(gt), 1).
+
+compare_test() ->
+    expect:equal(order:compare(lt, lt), eq),
+    expect:equal(order:compare(lt, eq), lt),
+    expect:equal(order:compare(lt, gt), lt),
+    expect:equal(order:compare(eq, lt), gt),
+    expect:equal(order:compare(eq, eq), eq),
+    expect:equal(order:compare(eq, gt), lt),
+    expect:equal(order:compare(gt, lt), gt),
+    expect:equal(order:compare(gt, eq), gt),
+    expect:equal(order:compare(gt, gt), eq).
+
+max_test() ->
+    expect:equal(order:max(lt, lt), lt),
+    expect:equal(order:max(lt, eq), eq),
+    expect:equal(order:max(lt, gt), gt),
+    expect:equal(order:max(eq, lt), eq),
+    expect:equal(order:max(eq, eq), eq),
+    expect:equal(order:max(eq, gt), gt),
+    expect:equal(order:max(gt, lt), gt),
+    expect:equal(order:max(gt, eq), gt),
+    expect:equal(order:max(gt, gt), gt).
+
+min_test() ->
+    expect:equal(order:min(lt, lt), lt),
+    expect:equal(order:min(lt, eq), lt),
+    expect:equal(order:min(lt, gt), lt),
+    expect:equal(order:min(eq, lt), lt),
+    expect:equal(order:min(eq, eq), eq),
+    expect:equal(order:min(eq, gt), eq),
+    expect:equal(order:min(gt, lt), lt),
+    expect:equal(order:min(gt, eq), eq),
+    expect:equal(order:min(gt, gt), gt).