From 4324174d0308c9c81ce246a8e82d2faaefb6d973 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Sat, 4 Oct 2014 11:29:51 -0600
Subject: test: dm: Add additional GPIO tests

Add tests for gpio_requestf() and for memory leaks.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
 test/dm/gpio.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'test/dm')

diff --git a/test/dm/gpio.c b/test/dm/gpio.c
index 5174ced..94bd0d9 100644
--- a/test/dm/gpio.c
+++ b/test/dm/gpio.c
@@ -7,11 +7,14 @@
 #include <common.h>
 #include <fdtdec.h>
 #include <dm.h>
+#include <dm/root.h>
 #include <dm/ut.h>
 #include <dm/test.h>
 #include <dm/util.h>
 #include <asm/gpio.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 /* Test that sandbox GPIOs work correctly */
 static int dm_test_gpio(struct dm_test_state *dms)
 {
@@ -138,3 +141,38 @@ static int dm_test_gpio_requestf(struct dm_test_state *dms)
 	return 0;
 }
 DM_TEST(dm_test_gpio_requestf, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that gpio_request() copies its string */
+static int dm_test_gpio_copy(struct dm_test_state *dms)
+{
+	unsigned int offset, gpio;
+	struct udevice *dev;
+	char buf[80], name[10];
+
+	ut_assertok(gpio_lookup_name("b6", &dev, &offset, &gpio));
+	strcpy(name, "odd_name");
+	ut_assertok(gpio_request(gpio, name));
+	sandbox_gpio_set_direction(dev, offset, 1);
+	sandbox_gpio_set_value(dev, offset, 1);
+	ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+	ut_asserteq_str("b6: output: 1 [x] odd_name", buf);
+	strcpy(name, "nothing");
+	ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+	ut_asserteq_str("b6: output: 1 [x] odd_name", buf);
+
+	return 0;
+}
+DM_TEST(dm_test_gpio_copy, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that we don't leak memory with GPIOs */
+static int dm_test_gpio_leak(struct dm_test_state *dms)
+{
+	ut_assertok(dm_test_gpio(dms));
+	ut_assertok(dm_test_gpio_anon(dms));
+	ut_assertok(dm_test_gpio_requestf(dms));
+	ut_assertok(dm_leak_check_end(dms));
+
+	return 0;
+}
+
+DM_TEST(dm_test_gpio_leak, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
-- 
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