From a28790b91d89002edb27dd1bc3997b1d03a94d7e Mon Sep 17 00:00:00 2001
From: Johannes Stoelp <johannes.stoelp@gmail.com>
Date: Wed, 2 Aug 2023 00:19:41 +0200
Subject: timer: add assertions to test

---
 test/timer.cc | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'test')

diff --git a/test/timer.cc b/test/timer.cc
index 5ac169c..3b5b5ac 100644
--- a/test/timer.cc
+++ b/test/timer.cc
@@ -1,5 +1,6 @@
 #include <timer.h>
 #include <unistd.h>
+#include <cassert>
 #include <cstdio>
 
 int main() {
@@ -15,6 +16,9 @@ int main() {
     const timer::scoped_timer kS{t};
     usleep(100 * 1000);
   }
+  assert(100000 < t.as_usec() && t.as_usec() < 101000);
+  assert(100 < t.as_msec() && t.as_msec() < 101);
+  assert(0.100 < t.as_sec() && t.as_sec() < 0.101);
   kShowTime();
 
   {
@@ -22,6 +26,20 @@ int main() {
     const timer::scoped_timer kS{t};
     usleep(500 * 1000);
   }
+  assert(600000 < t.as_usec() && t.as_usec() < 601000);
+  assert(600 < t.as_msec() && t.as_msec() < 601);
+  assert(0.600 < t.as_sec() && t.as_sec() < 0.601);
+  kShowTime();
+
+  t.reset();
+  {
+    puts("Sleep 200ms");
+    timer::scoped_timer s{t};
+    usleep(200 * 1000);
+  }
+  assert(200000 < t.as_usec() && t.as_usec() < 201000);
+  assert(200 < t.as_msec() && t.as_msec() < 201);
+  assert(0.200 < t.as_sec() && t.as_sec() < 0.201);
   kShowTime();
 
   return 0;
-- 
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