1 files changed, 36 insertions, 0 deletions
diff --git a/test/functional/eval/reltime_spec.lua b/test/functional/eval/reltime_spec.lua
new file mode 100644
index 0000000000..da55a3fac3
--- /dev/null
+++ b/test/functional/eval/reltime_spec.lua
@@ -0,0 +1,36 @@
+local helpers = require('test.functional.helpers')
+local clear, eq, ok = helpers.clear,  helpers.eq, helpers.ok
+local neq, execute, funcs  = helpers.neq, helpers.execute, helpers.funcs
+local reltime, reltimestr, reltimefloat = funcs.reltime, funcs.reltimestr, funcs.reltimefloat
+
+describe('reltimestr(), reltimefloat()', function()
+  before_each(clear)
+
+  it('Checks', function()
+    local now = reltime()
+    execute('sleep 10m')
+    local later = reltime()
+    local elapsed = reltime(now)
+
+    neq(reltimestr(elapsed), '0.0')
+    ok(reltimefloat(elapsed) > 0.0)
+    -- original vim test for < 0.1, but easily fails on travis
+    ok(nil ~= string.match(reltimestr(elapsed), "0%."))
+    ok(reltimefloat(elapsed) < 1.0)
+
+    local same = reltime(now, now)
+    local samestr = string.gsub(reltimestr(same), ' ', '')
+    samestr = string.sub(samestr, 1, 5)
+
+    eq('0.000', samestr)
+    eq(0.0, reltimefloat(same))
+
+    local differs = reltime(now, later)
+    neq(reltimestr(differs), '0.0')
+    ok(reltimefloat(differs) > 0.0)
+    -- original vim test for < 0.1, but easily fails on travis
+    ok(nil ~= string.match(reltimestr(differs), "0%."))
+    ok(reltimefloat(differs) < 1.0)
+
+  end)
+end)