tests: ptimer: Add tests for "no immediate reload" policy

PTIMER_POLICY_NO_IMMEDIATE_RELOAD makes ptimer to not to re-load
counter on setting counter value to "0" or starting to run with "0".

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Message-id: a7acf805e447cc7f637ecacbd45cca34ea3bf425.1475421224.git.digetx@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 57 insertions, 16 deletions

diff --git a/tests/ptimer-test.c b/tests/ptimer-test.c
index d55cc79dc8..0badfe7899 100644
--- a/tests/ptimer-test.c
+++ b/tests/ptimer-test.c
@@ -190,6 +190,7 @@ static void check_periodic(gconstpointer arg)
     ptimer_state *ptimer = ptimer_init(bh, *policy);
     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
+    bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD);
 
     triggered = false;
 
@@ -219,7 +220,7 @@ static void check_periodic(gconstpointer arg)
 
     qemu_clock_step(2000000);
 
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 9 : 8);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8 + (wrap_policy ? 1 : 0));
     g_assert_false(triggered);
 
     ptimer_set_count(ptimer, 20);
@@ -239,7 +240,7 @@ static void check_periodic(gconstpointer arg)
 
     qemu_clock_step(2000000 * 10);
 
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 9 : 8);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8 + (wrap_policy ? 1 : 0));
     g_assert_true(triggered);
 
     triggered = false;
@@ -256,7 +257,7 @@ static void check_periodic(gconstpointer arg)
 
     qemu_clock_step(2000000 * 4);
 
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 9 : 8);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8 + (wrap_policy ? 1 : 0));
     g_assert_true(triggered);
 
     ptimer_stop(ptimer);
@@ -264,7 +265,7 @@ static void check_periodic(gconstpointer arg)
 
     qemu_clock_step(2000000);
 
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 9 : 8);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8 + (wrap_policy ? 1 : 0));
     g_assert_false(triggered);
 
     ptimer_set_count(ptimer, 3);
@@ -279,11 +280,12 @@ static void check_periodic(gconstpointer arg)
 
     qemu_clock_step(2000000);
 
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 9 : 8);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8 + (wrap_policy ? 1 : 0));
     g_assert_false(triggered);
 
     ptimer_set_count(ptimer, 0);
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==,
+                     no_immediate_reload ? 0 : 10);
 
     if (no_immediate_trigger) {
         g_assert_false(triggered);
@@ -295,12 +297,27 @@ static void check_periodic(gconstpointer arg)
 
     qemu_clock_step(100000);
 
+    if (no_immediate_reload) {
+        g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+        g_assert_false(triggered);
+
+        qemu_clock_step(2000000);
+
+        if (no_immediate_trigger) {
+            g_assert_true(triggered);
+        } else {
+            g_assert_false(triggered);
+        }
+
+        triggered = false;
+    }
+
     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
     g_assert_false(triggered);
 
     qemu_clock_step(2000000 * 12);
 
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 8 : 7);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7 + (wrap_policy ? 1 : 0));
     g_assert_true(triggered);
 
     ptimer_stop(ptimer);
@@ -309,7 +326,7 @@ static void check_periodic(gconstpointer arg)
 
     qemu_clock_step(2000000 * 10);
 
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 8 : 7);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7 + (wrap_policy ? 1 : 0));
     g_assert_false(triggered);
 
     ptimer_run(ptimer, 0);
@@ -317,7 +334,7 @@ static void check_periodic(gconstpointer arg)
 
     qemu_clock_step(2000000 + 100000);
 
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 8 : 7);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7 + (wrap_policy ? 1 : 0));
     g_assert_false(triggered);
 }
 
@@ -450,13 +467,15 @@ static void check_run_with_delta_0(gconstpointer arg)
     ptimer_state *ptimer = ptimer_init(bh, *policy);
     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
+    bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD);
 
     triggered = false;
 
     ptimer_set_period(ptimer, 2000000);
     ptimer_set_limit(ptimer, 99, 0);
     ptimer_run(ptimer, 1);
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==,
+                     no_immediate_reload ? 0 : 99);
 
     if (no_immediate_trigger) {
         g_assert_false(triggered);
@@ -466,11 +485,19 @@ static void check_run_with_delta_0(gconstpointer arg)
 
     triggered = false;
 
-    if (no_immediate_trigger) {
+    if (no_immediate_trigger || no_immediate_reload) {
         qemu_clock_step(2000000 + 100000);
 
-        g_assert_cmpuint(ptimer_get_count(ptimer), ==, 97);
-        g_assert_false(triggered);
+        g_assert_cmpuint(ptimer_get_count(ptimer), ==,
+                         no_immediate_reload ? 0 : 97);
+
+        if (no_immediate_trigger && no_immediate_reload) {
+            g_assert_true(triggered);
+
+            triggered = false;
+        } else {
+            g_assert_false(triggered);
+        }
 
         ptimer_set_count(ptimer, 99);
         ptimer_run(ptimer, 1);
@@ -495,7 +522,8 @@ static void check_run_with_delta_0(gconstpointer arg)
 
     ptimer_set_count(ptimer, 0);
     ptimer_run(ptimer, 0);
-    g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
+    g_assert_cmpuint(ptimer_get_count(ptimer), ==,
+                     no_immediate_reload ? 0 : 99);
 
     if (no_immediate_trigger) {
         g_assert_false(triggered);
@@ -507,8 +535,17 @@ static void check_run_with_delta_0(gconstpointer arg)
 
     qemu_clock_step(100000);
 
+    if (no_immediate_reload) {
+        qemu_clock_step(2000000);
+    }
+
     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 98);
-    g_assert_false(triggered);
+
+    if (no_immediate_reload && no_immediate_trigger) {
+        g_assert_true(triggered);
+    } else {
+        g_assert_false(triggered);
+    }
 
     triggered = false;
 
@@ -639,6 +676,10 @@ static void add_ptimer_tests(uint8_t policy)
         g_strlcat(policy_name, "no_immediate_trigger,", 256);
     }
 
+    if (policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD) {
+        g_strlcat(policy_name, "no_immediate_reload,", 256);
+    }
+
     g_test_add_data_func(
         g_strdup_printf("/ptimer/set_count policy=%s", policy_name),
         ppolicy, check_set_count);
@@ -686,7 +727,7 @@ static void add_ptimer_tests(uint8_t policy)
 
 static void add_all_ptimer_policies_comb_tests(void)
 {
-    int last_policy = PTIMER_POLICY_NO_IMMEDIATE_TRIGGER;
+    int last_policy = PTIMER_POLICY_NO_IMMEDIATE_RELOAD;
     int policy = PTIMER_POLICY_DEFAULT;
 
     for (; policy < (last_policy << 1); policy++) {