From: Michal Bloch <m.bloch@samsung.com>
Date: Mon, 26 Oct 2015 17:45:42 +0000 (+0100)
Subject: tests: add libhusb_{get,free}_config_descriptor test
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1d9025197ab446e577f359ae0bed4ca61bb4be2c;p=platform%2Fcore%2Fapi%2Fusb-host.git

tests: add libhusb_{get,free}_config_descriptor test

Change-Id: I910e7d899ba69b5a284a005e2b114f3a3217fc1c
Signed-off-by: Michal Bloch <m.bloch@samsung.com>
---

diff --git a/tests/libhusb-test.c b/tests/libhusb-test.c
index aeddf66..3db9305 100644
--- a/tests/libhusb-test.c
+++ b/tests/libhusb-test.c
@@ -680,6 +680,27 @@ static void test_get_string_descriptor_ascii(void **state)
 	assert_string_equal(data, testString);
 }
 
+static void test_config_descriptor(void **state)
+{
+	libhusb_cfg_descriptor *config;
+	libhusb_device *dev;
+	uint8_t config_index;
+	int ret, interfaces;
+
+	config_index = rand();
+	interfaces = rand() % 6 + 1; // not too large, n^4 objects are created
+	dev = (libhusb_device *)(*state);
+	assert_non_null(dev);
+
+	will_return(libusb_get_config_descriptor, interfaces);
+
+	ret = libhusb_get_config_descriptor(dev, config_index, &config);
+
+	assert_return_code(ret, 0);
+
+	libhusb_free_config_descriptor(config);
+}
+
 /* Custom macro for defining test with given name and fixed teardown function */
 #define HUSB_TEST(func, setup, teardown) \
 	cmocka_unit_test_setup_teardown(func, setup, teardown)
@@ -726,6 +747,7 @@ static struct CMUnitTest tests[] = {
 		HUSB_TEST_DEV_HANDLE(test_detach_kernel_driver),
 		HUSB_TEST_DEV_HANDLE(test_attach_kernel_driver),
 		HUSB_TEST_DEV_HANDLE(test_get_string_descriptor_ascii),
+		HUSB_TEST_DEVICE(test_config_descriptor),
 };
 
 
diff --git a/tests/libusb-wrap.c b/tests/libusb-wrap.c
index 3352095..818a81c 100644
--- a/tests/libusb-wrap.c
+++ b/tests/libusb-wrap.c
@@ -123,9 +123,73 @@ int libusb_get_active_config_descriptor(libusb_device *dev,
 	return 0;
 }
 
+static int deallocate_config_descriptor (struct libusb_config_descriptor *c,
+	int i, int j, int temp)
+{
+	while (i > 0)
+	{
+		--i;
+		while (j > 0)
+		{
+			--j;
+			free (c->interface[i].altsetting[j].endpoint);
+		}
+		j = temp;
+		free (c->interface[i].altsetting);
+	}
+	free (c->interface);
+	free (c);
+
+	return LIBUSB_ERROR_NO_MEM;
+}
+
 int libusb_get_config_descriptor(libusb_device *dev,
 	uint8_t config_index, struct libusb_config_descriptor **config)
 {
+	int i, j, k, temp;
+
+	struct libusb_interface *iface;
+	struct libusb_interface_descriptor *desc;
+	struct libusb_endpoint_descriptor *ep;
+
+	struct libusb_config_descriptor *c = malloc (sizeof (*c));
+	if (!c) return LIBUSB_ERROR_NO_MEM;
+
+	temp = mock_type(int);
+
+	c->bNumInterfaces = temp;
+	c->interface = malloc(temp * sizeof(*iface));
+	if (!c->interface)
+	{
+		free (c);
+		return LIBUSB_ERROR_NO_MEM;
+	}
+
+	c->extra_length = 0;
+	for (i = 0; i < temp; ++i)
+	{
+		iface = c->interface + i;
+		iface->num_altsetting = temp;
+		iface->altsetting = malloc(temp * sizeof(*desc));
+		if (!iface->altsetting) return deallocate_config_descriptor (c, i, j, temp);
+		for (j = 0; j < temp; ++j)
+		{
+			desc = iface->altsetting + j;
+			desc->bNumEndpoints = temp;
+			desc->endpoint = malloc(temp * sizeof(*ep));
+			if (!desc->endpoint) return deallocate_config_descriptor (c, i, j, temp);
+			desc->extra_length = 0;
+			for (k = 0; k < temp; ++k)
+			{
+				ep = desc->endpoint + k;
+				ep->extra_length = 0;
+			}
+		}
+		j = 0;
+	}
+
+	*config = c;
+
 	return 0;
 }