blob: b100b48aee3b8116fc42a1a80c483dd0e98b389f [file] [log] [blame]
// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <limits.h>
#include <ddk/device.h>
#include <unittest/unittest.h>
extern zx_device_t* ddk_test_dev;
static const char* TEST_STRING = "testing 1 2 3";
static bool test_add_metadata(void) {
char buffer[32] = {};
zx_status_t status;
size_t actual;
BEGIN_TEST;
status = device_get_metadata(ddk_test_dev, 1, buffer, sizeof(buffer), &actual);
ASSERT_EQ(status, ZX_ERR_NOT_FOUND, "device_get_metadata did not return ZX_ERR_NOT_FOUND");
status = device_get_metadata_size(ddk_test_dev, 1, &actual);
ASSERT_EQ(status, ZX_ERR_NOT_FOUND, "device_get_metadata_size should return ZX_ERR_NOT_FOUND");
status = device_add_metadata(ddk_test_dev, 1, TEST_STRING, strlen(TEST_STRING) + 1);
ASSERT_EQ(status, ZX_OK, "device_add_metadata failed");
status = device_get_metadata_size(ddk_test_dev, 1, &actual);
ASSERT_EQ(strlen(TEST_STRING) + 1, actual, "Incorrect output length was returned.");
status = device_get_metadata(ddk_test_dev, 1, buffer, sizeof(buffer), &actual);
ASSERT_EQ(status, ZX_OK, "device_get_metadata failed");
ASSERT_EQ(actual, strlen(TEST_STRING) + 1, "");
ASSERT_EQ(strcmp(buffer, TEST_STRING), 0, "");
END_TEST;
}
static bool test_add_metadata_large_input(void) {
BEGIN_TEST;
size_t large_len = 1024u * 16;
char* large = malloc(large_len);
ASSERT_NE(large, NULL, "allocation failure");
zx_status_t status = device_add_metadata(ddk_test_dev, 1, large, large_len);
EXPECT_EQ(status, ZX_ERR_INVALID_ARGS, "device_add_metadata shoud return ZX_ERR_INVALID_ARGS");
free(large);
END_TEST;
}
static bool test_publish_metadata(void) {
char buffer[32] = {};
zx_status_t status;
size_t actual;
BEGIN_TEST;
// This should fail since the path does not match us or our potential children.
status = device_publish_metadata(ddk_test_dev, "/dev/misc/sysinfo", 2, TEST_STRING,
strlen(TEST_STRING) + 1);
ASSERT_EQ(status, ZX_ERR_ACCESS_DENIED, "");
// We are allowed to add metadata to own path.
status = device_publish_metadata(ddk_test_dev, "/dev/test/test/ddk-test", 2, TEST_STRING,
strlen(TEST_STRING) + 1);
ASSERT_EQ(status, ZX_OK, "");
status = device_get_metadata(ddk_test_dev, 2, buffer, sizeof(buffer), &actual);
ASSERT_EQ(status, ZX_OK, "device_get_metadata failed");
ASSERT_EQ(actual, strlen(TEST_STRING) + 1, "");
ASSERT_EQ(strcmp(buffer, TEST_STRING), 0, "");
// We are allowed to add metadata to our potential children.
status = device_publish_metadata(ddk_test_dev, "/dev/test/test/ddk-test/child", 2, TEST_STRING,
strlen(TEST_STRING) + 1);
ASSERT_EQ(status, ZX_OK, "");
END_TEST;
}
static bool test_publish_metadata_large_input(void) {
BEGIN_TEST;
size_t large_len = 1024u * 16;
char* large = malloc(large_len);
ASSERT_NE(large, NULL, "allocation failure");
zx_status_t status =
device_publish_metadata(ddk_test_dev, "/dev/test/test/ddk-test/child", 2, large, large_len);
EXPECT_EQ(status, ZX_ERR_INVALID_ARGS, "device_add_metadata shoud return ZX_ERR_INVALID_ARGS");
free(large);
END_TEST;
}
static bool test_get_metadata_would_overflow(void) {
char buffer[32] = {};
zx_status_t status;
size_t actual;
BEGIN_TEST;
status = device_publish_metadata(ddk_test_dev, "/dev/test/test/ddk-test", 2, TEST_STRING,
strlen(TEST_STRING) + 1);
ASSERT_EQ(status, ZX_OK, "");
status = device_get_metadata(ddk_test_dev, 2, buffer, 1, &actual);
ASSERT_EQ(status, ZX_ERR_BUFFER_TOO_SMALL, "device_get_metadata overflowed buffer");
END_TEST;
}
BEGIN_TEST_CASE(metadata_tests)
RUN_TEST(test_add_metadata)
RUN_TEST(test_add_metadata_large_input)
RUN_TEST(test_publish_metadata)
RUN_TEST(test_publish_metadata_large_input)
RUN_TEST(test_get_metadata_would_overflow)
END_TEST_CASE(metadata_tests)
struct test_case_element* test_case_ddk_metadata = TEST_CASE_ELEMENT(metadata_tests);