Support for gettime and sleep functions

Provide `gettime` and `sleep` functions with at least 1 millisecond
resolution.

1 files changed, 13 insertions, 0 deletions

diff --git a/spec/time_spec.lua b/spec/time_spec.lua
new file mode 100644
index 0000000..8bee5f7
--- /dev/null
+++ b/spec/time_spec.lua
@@ -0,0 +1,13 @@
+local system = require 'system.core'
+
+describe('Test time functions', function()
+  it('gettime returns current time', function()
+    assert.is_near(os.time(), system.gettime(), 1.0)
+  end)
+
+  it('sleep will wait for specified amount of time', function()
+    local starttime = system.gettime()
+    system.sleep(0.5)
+    assert.is_near(0.5, system.gettime() - starttime, 0.1)
+  end)
+end)