Fix GsweTimestamp tests

tests/test-asserts.h

@@ -0,0 +1,27 @@
+#ifndef __SWE_GLIB_TEST_ASSERTS_H__
+#define __SWE_GLIB_TEST_ASSERTS_H__
+
+#include <glib.h>
+
+/* Check equality with fuzzyness. Thanks for ebassi@GNOME and graphene */
+#define gswe_assert_fuzzy_equals(n1,n2,epsilon) \
+  G_STMT_START { \
+    typeof ((n1)) __n1 = (n1); \
+    typeof ((n2)) __n2 = (n2); \
+    typeof ((epsilon)) __epsilon = (epsilon); \
+    if (__n1 > __n2) { \
+      if ((__n1 - __n2) <= __epsilon) ; else { \
+        g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
+                                    #n1 " == " #n2 " (+/- " #epsilon ")", \
+                                    __n1, "==", __n2, 'f'); \
+      } \
+    } else { \
+      if ((__n2 - __n1) <= __epsilon) ; else { \
+        g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
+                                    #n1 " == " #n2 " (+/- " #epsilon ")", \
+                                    __n1, "==", __n2, 'f'); \
+      } \
+    } \
+  } G_STMT_END
+
+#endif /* __SWE_GLIB_TEST_ASSERTS_H__ */