X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/mLib/blobdiff_plain/bca75e8d0ad7ce51192de3ef053ec63d0c79cfaa..31d0247cc58abc0b0720aa7e9972011c5a66995c:/test/t/tvec-test.c?ds=sidebyside

diff --git a/test/t/tvec-test.c b/test/t/tvec-test.c
index a9ef269..ac316b6 100644
--- a/test/t/tvec-test.c
+++ b/test/t/tvec-test.c
@@ -27,8 +27,12 @@
 
 /*----- Header files ------------------------------------------------------*/
 
+#include "tv.h"
 #include "tvec.h"
 
+#include <sys/select.h>
+#include <sys/time.h>
+
 /*----- Register definitions ----------------------------------------------*/
 
 static const struct tvec_iassoc ienum_assocs[] = {
@@ -173,8 +177,7 @@ static void common_setup(struct tvec_state *tv,
   tctx->f = 0;
 }
 
-static int common_set(struct tvec_state *tv, const char *name,
-		      const struct tvec_env *env, void *ctx)
+static int common_set(struct tvec_state *tv, const char *name, void *ctx)
 {
   struct test_context *tctx = ctx;
   union tvec_regval rv;
@@ -442,7 +445,8 @@ static const struct tvec_env multi_serialize_testenv = {
 
 /*----- Crash test --------------------------------------------------------*/
 
-static void test_crash(const struct tvec_reg *in, struct tvec_reg *out, void *ctx)
+static void test_crash(const struct tvec_reg *in, struct tvec_reg *out,
+		       void *ctx)
 {
   out[RVOUT].v.u = in[RV].v.u;
   if (in[RSAB].v.i) abort();
@@ -458,6 +462,38 @@ static const struct tvec_regdef crash_regs[] = {
   TVEC_ENDREGS
 };
 
+/*----- Sleep test --------------------------------------------------------*/
+
+static void test_sleep(const struct tvec_reg *in, struct tvec_reg *out,
+		       void *ctx)
+{
+  struct timeval now, when, tv;
+  int rc;
+
+  rc = gettimeofday(&now, 0); assert(!rc);
+  tv.tv_sec = in[RV].v.f; tv.tv_usec = 1e6*(in[RV].v.f - tv.tv_sec);
+
+  TV_ADD(&when, &now, &tv);
+  for (;;) {
+    rc = select(0, 0, 0, 0, &tv); assert(!rc);
+    rc = gettimeofday(&now, 0); assert(!rc);
+    if (TV_CMP(&now, >=, &when)) break;
+    TV_SUB(&tv, &when, &now);
+  }
+  out[RVOUT].v.f = in[RV].v.f;
+}
+
+static const struct tvec_timeoutenv sleep_subenv =
+  { TVEC_TIMEOUTINIT(ITIMER_REAL, 0.25) };
+static const struct tvec_remotefork sleep_testenv =
+  { TVEC_REMOTEFORK(&sleep_subenv._env, 0) };
+
+static const struct tvec_regdef sleep_regs[] = {
+  { "time",	RV,	&tvty_float,	0,		{ &tvflt_nonneg } },
+  { "z",	RVOUT,	&tvty_float,	0,		{ &tvflt_nonneg } },
+  TVEC_ENDREGS
+};
+
 /*----- Front end ---------------------------------------------------------*/
 
 static const struct tvec_test tests[] = {
@@ -473,7 +509,8 @@ static const struct tvec_test tests[] = {
   TYPEREGS(DEFSINGLE)
 #undef DEFSINGLE
 
-  { "crash",	crash_regs,	&crash_testenv._env, test_crash } ,
+  { "crash",	crash_regs,	&crash_testenv._env, test_crash },
+  { "sleep",	sleep_regs,	&sleep_testenv._env, test_sleep },
 
   TVEC_ENDTESTS
 };