1 files changed, 36 insertions, 0 deletions
diff --git a/mrbgems/mruby-sleep/test/sleep_test.rb b/mrbgems/mruby-sleep/test/sleep_test.rb
new file mode 100644
index 000000000..e5ea5f69e
--- /dev/null
+++ b/mrbgems/mruby-sleep/test/sleep_test.rb
@@ -0,0 +1,36 @@
+def run_with_catching_error &b
+  e = nil
+  begin
+    b.call
+  rescue => _e
+    e = _e
+  end
+
+  return e
+end
+
+assert("sleep works") do
+  e = run_with_catching_error { sleep 1 }
+
+  assert_nil e
+end
+
+assert("sleep would not accept negative value") do
+  e = run_with_catching_error { sleep -1 }
+
+  assert_not_equal e, nil
+  assert_equal e.class, ArgumentError
+end
+
+assert("usleep works") do
+  e = run_with_catching_error { usleep 100 }
+
+  assert_nil e
+end
+
+assert("usleep would not accept negative value") do
+  e = run_with_catching_error { usleep -100 }
+
+  assert_not_equal e, nil
+  assert_equal e.class, ArgumentError
+end