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// Copyright 2017 Open Source Robotics Foundation, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "gtest/gtest.h"
#include "./allocator_testing_utils.h"
#include "./time_bomb_allocator_testing_utils.h"
#include "rcutils/error_handling.h"
#include "rcutils/types/string_array.h"
#ifdef _WIN32
#define strdup _strdup
#endif
TEST(test_string_array, boot_string_array) {
auto allocator = rcutils_get_default_allocator();
auto failing_allocator = get_failing_allocator();
rcutils_ret_t ret = RCUTILS_RET_OK;
// UNDEFINED BEHAVIOR
// rcutils_string_array_t sa00;
// rcutils_string_array_fini(&sa00);
rcutils_string_array_t sa0 = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_fini(&sa0);
ASSERT_EQ(RCUTILS_RET_OK, ret);
EXPECT_EQ(RCUTILS_RET_INVALID_ARGUMENT, rcutils_string_array_init(NULL, 2, &allocator));
rcutils_reset_error();
EXPECT_EQ(RCUTILS_RET_INVALID_ARGUMENT, rcutils_string_array_init(&sa0, 2, NULL));
rcutils_reset_error();
EXPECT_EQ(RCUTILS_RET_BAD_ALLOC, rcutils_string_array_init(&sa0, 2, &failing_allocator));
rcutils_reset_error();
rcutils_string_array_t sa1 = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_init(&sa1, 3, &allocator);
ASSERT_EQ(RCUTILS_RET_OK, ret);
ret = rcutils_string_array_fini(&sa1);
ASSERT_EQ(RCUTILS_RET_OK, ret);
rcutils_string_array_t sa2 = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_init(&sa2, 2, &allocator);
ASSERT_EQ(RCUTILS_RET_OK, ret);
sa2.data[0] = strdup("Hello");
sa2.data[1] = strdup("World");
ret = rcutils_string_array_fini(&sa2);
ASSERT_EQ(RCUTILS_RET_OK, ret);
rcutils_string_array_t sa3 = rcutils_get_zero_initialized_string_array();
ASSERT_EQ(RCUTILS_RET_OK, rcutils_string_array_init(&sa3, 3, &allocator));
sa3.allocator.allocate = NULL;
ASSERT_EQ(RCUTILS_RET_INVALID_ARGUMENT, rcutils_string_array_fini(NULL));
rcutils_reset_error();
ASSERT_EQ(RCUTILS_RET_INVALID_ARGUMENT, rcutils_string_array_fini(&sa3));
rcutils_reset_error();
sa3.allocator = allocator;
ASSERT_EQ(RCUTILS_RET_OK, rcutils_string_array_fini(&sa3));
rcutils_string_array_t sa4 = rcutils_get_zero_initialized_string_array();
ASSERT_EQ(RCUTILS_RET_OK, rcutils_string_array_init(&sa4, 0, &allocator));
ASSERT_EQ(0u, sa4.size);
ASSERT_EQ(RCUTILS_RET_OK, rcutils_string_array_fini(&sa4));
}
TEST(test_string_array, string_array_cmp) {
auto allocator = rcutils_get_default_allocator();
rcutils_ret_t ret = RCUTILS_RET_OK;
int res = 0;
// Initialize some string arrays
rcutils_string_array_t sa0 = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_init(&sa0, 3, &allocator);
ASSERT_EQ(RCUTILS_RET_OK, ret);
sa0.data[0] = strdup("foo");
sa0.data[1] = strdup("bar");
sa0.data[2] = strdup("baz");
rcutils_string_array_t sa1 = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_init(&sa1, 3, &allocator);
ASSERT_EQ(RCUTILS_RET_OK, ret);
sa1.data[0] = strdup("foo");
sa1.data[1] = strdup("bar");
sa1.data[2] = strdup("baz");
rcutils_string_array_t sa2 = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_init(&sa2, 3, &allocator);
ASSERT_EQ(RCUTILS_RET_OK, ret);
sa2.data[0] = strdup("foo");
sa2.data[1] = strdup("baz");
sa2.data[2] = strdup("bar");
rcutils_string_array_t sa3 = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_init(&sa3, 2, &allocator);
ASSERT_EQ(RCUTILS_RET_OK, ret);
sa3.data[0] = strdup("foo");
sa3.data[1] = strdup("bar");
rcutils_string_array_t empty_string_array = rcutils_get_zero_initialized_string_array();
rcutils_string_array_t incomplete_string_array = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_init(&incomplete_string_array, 3, &allocator);
ASSERT_EQ(RCUTILS_RET_OK, ret);
// Test failure cases
EXPECT_EQ(RCUTILS_RET_INVALID_ARGUMENT, rcutils_string_array_cmp(NULL, &sa0, &res));
rcutils_reset_error();
EXPECT_EQ(RCUTILS_RET_INVALID_ARGUMENT, rcutils_string_array_cmp(&sa0, NULL, &res));
rcutils_reset_error();
EXPECT_EQ(RCUTILS_RET_INVALID_ARGUMENT, rcutils_string_array_cmp(&sa0, &sa1, NULL));
rcutils_reset_error();
EXPECT_EQ(RCUTILS_RET_ERROR, rcutils_string_array_cmp(&sa0, &incomplete_string_array, &res));
rcutils_reset_error();
// Test success cases
EXPECT_EQ(RCUTILS_RET_OK, rcutils_string_array_cmp(&sa0, &sa1, &res));
EXPECT_EQ(res, 0);
EXPECT_EQ(RCUTILS_RET_OK, rcutils_string_array_cmp(&sa1, &sa0, &res));
EXPECT_EQ(res, 0);
EXPECT_EQ(RCUTILS_RET_OK, rcutils_string_array_cmp(&sa0, &sa2, &res));
EXPECT_LT(res, 0);
EXPECT_EQ(RCUTILS_RET_OK, rcutils_string_array_cmp(&sa2, &sa0, &res));
EXPECT_GT(res, 0);
EXPECT_EQ(RCUTILS_RET_OK, rcutils_string_array_cmp(&sa0, &sa3, &res));
EXPECT_GT(res, 0);
EXPECT_EQ(RCUTILS_RET_OK, rcutils_string_array_cmp(&sa3, &sa0, &res));
EXPECT_LT(res, 0);
// Test transitivity
EXPECT_EQ(RCUTILS_RET_OK, rcutils_string_array_cmp(&sa3, &sa2, &res));
EXPECT_LT(res, 0);
// Test empty
EXPECT_EQ(RCUTILS_RET_OK, rcutils_string_array_cmp(&sa0, &empty_string_array, &res));
EXPECT_GT(res, 0);
EXPECT_EQ(RCUTILS_RET_OK, rcutils_string_array_cmp(&empty_string_array, &sa0, &res));
EXPECT_LT(res, 0);
ret = rcutils_string_array_fini(&sa0);
ASSERT_EQ(RCUTILS_RET_OK, ret);
ret = rcutils_string_array_fini(&sa1);
ASSERT_EQ(RCUTILS_RET_OK, ret);
ret = rcutils_string_array_fini(&sa2);
ASSERT_EQ(RCUTILS_RET_OK, ret);
ret = rcutils_string_array_fini(&sa3);
ASSERT_EQ(RCUTILS_RET_OK, ret);
ret = rcutils_string_array_fini(&incomplete_string_array);
ASSERT_EQ(RCUTILS_RET_OK, ret);
}
TEST(test_string_array, string_array_resize) {
auto allocator = rcutils_get_default_allocator();
auto failing_allocator = get_failing_allocator();
auto invalid_allocator = rcutils_get_zero_initialized_allocator();
auto time_bomb_allocator = get_time_bomb_allocator();
rcutils_ret_t ret;
ret = rcutils_string_array_resize(nullptr, 8);
ASSERT_EQ(RCUTILS_RET_INVALID_ARGUMENT, ret);
rcutils_reset_error();
// Start with 8 elements
rcutils_string_array_t sa0 = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_init(&sa0, 8, &allocator);
ASSERT_EQ(RCUTILS_RET_OK, ret);
for (size_t i = 0; i < sa0.size; i++) {
const char val[] = {static_cast<char>('a' + i), '\0'};
sa0.data[i] = strdup(val);
}
// Resize to same size (hot path)
ret = rcutils_string_array_resize(&sa0, sa0.size);
ASSERT_EQ(RCUTILS_RET_OK, ret);
// Grow to 16 (with allocation failure)
sa0.allocator = failing_allocator;
ret = rcutils_string_array_resize(&sa0, 16);
EXPECT_EQ(RCUTILS_RET_BAD_ALLOC, ret);
EXPECT_EQ(8u, sa0.size);
rcutils_reset_error();
// Grow to 16 (with invalid allocator)
sa0.allocator = invalid_allocator;
ret = rcutils_string_array_resize(&sa0, 16);
EXPECT_EQ(RCUTILS_RET_INVALID_ARGUMENT, ret);
EXPECT_EQ(8u, sa0.size);
rcutils_reset_error();
// Grow to 16
sa0.allocator = allocator;
ret = rcutils_string_array_resize(&sa0, 16);
ASSERT_EQ(RCUTILS_RET_OK, ret);
ASSERT_EQ(16u, sa0.size);
// Check that existing data is intact
for (size_t i = 0; i < 8; i++) {
const char val[] = {static_cast<char>('a' + i), '\0'};
EXPECT_STREQ(val, sa0.data[i]);
}
// Check that new elements are empty
for (size_t i = 8; i < sa0.size; i++) {
const char val[] = {static_cast<char>('a' + i), '\0'};
EXPECT_STREQ(nullptr, sa0.data[i]);
sa0.data[i] = strdup(val);
}
// Shrink to 4 (with allocation failure)
sa0.allocator = failing_allocator;
ret = rcutils_string_array_resize(&sa0, 4);
EXPECT_EQ(RCUTILS_RET_BAD_ALLOC, ret);
EXPECT_EQ(16u, sa0.size);
rcutils_reset_error();
// Shrink to 4 (with delayed allocation failure)
set_time_bomb_allocator_realloc_count(time_bomb_allocator, 0);
sa0.allocator = time_bomb_allocator;
ret = rcutils_string_array_resize(&sa0, 4);
EXPECT_EQ(RCUTILS_RET_BAD_ALLOC, ret);
EXPECT_EQ(16u, sa0.size);
rcutils_reset_error();
// Shrink to 4 (with invalid allocator)
sa0.allocator = invalid_allocator;
ret = rcutils_string_array_resize(&sa0, 4);
EXPECT_EQ(RCUTILS_RET_INVALID_ARGUMENT, ret);
EXPECT_EQ(16u, sa0.size);
rcutils_reset_error();
// Shrink to 4
sa0.allocator = allocator;
ret = rcutils_string_array_resize(&sa0, 4);
ASSERT_EQ(RCUTILS_RET_OK, ret);
ASSERT_EQ(4u, sa0.size);
// Check that existing data is intact
for (size_t i = 0; i < sa0.size; i++) {
const char val[] = {static_cast<char>('a' + i), '\0'};
EXPECT_STREQ(val, sa0.data[i]);
}
// Shrink to 0
ret = rcutils_string_array_resize(&sa0, 0);
EXPECT_EQ(RCUTILS_RET_OK, ret);
EXPECT_EQ(0u, sa0.size);
sa0.allocator = allocator;
ret = rcutils_string_array_fini(&sa0);
ASSERT_EQ(RCUTILS_RET_OK, ret);
}
TEST(test_string_array, string_array_sort) {
auto allocator = rcutils_get_default_allocator();
rcutils_ret_t ret = RCUTILS_RET_OK;
ret = rcutils_string_array_sort(nullptr);
EXPECT_EQ(RCUTILS_RET_INVALID_ARGUMENT, ret);
rcutils_reset_error();
rcutils_string_array_t sa0 = rcutils_get_zero_initialized_string_array();
ret = rcutils_string_array_sort(&sa0);
EXPECT_EQ(RCUTILS_RET_OK, ret);
ret = rcutils_string_array_init(&sa0, 8, &allocator);
ASSERT_EQ(RCUTILS_RET_OK, ret);
// Already in order
for (size_t i = 0; i < sa0.size; i++) {
const char val[] = {static_cast<char>('a' + i), '\0'};
sa0.data[i] = strdup(val);
}
ret = rcutils_string_array_sort(&sa0);
EXPECT_EQ(RCUTILS_RET_OK, ret);
for (size_t i = 0; i < sa0.size; i++) {
const char val[] = {static_cast<char>('a' + i), '\0'};
EXPECT_STREQ(val, sa0.data[i]);
}
// Reverse order
for (size_t i = 0; i < sa0.size; i++) {
const char val[] = {static_cast<char>('a' + sa0.size - 1 - i), '\0'};
sa0.allocator.deallocate(sa0.data[i], sa0.allocator.state);
sa0.data[i] = strdup(val);
}
ret = rcutils_string_array_sort(&sa0);
EXPECT_EQ(RCUTILS_RET_OK, ret);
for (size_t i = 0; i < sa0.size; i++) {
const char val[] = {static_cast<char>('a' + i), '\0'};
EXPECT_STREQ(val, sa0.data[i]);
}
// Make some entries empty
for (size_t i = 0; i < sa0.size / 2; i++) {
sa0.allocator.deallocate(sa0.data[i], sa0.allocator.state);
sa0.data[i] = nullptr;
}
ret = rcutils_string_array_sort(&sa0);
EXPECT_EQ(RCUTILS_RET_OK, ret);
for (size_t i = 0; i < sa0.size / 2; i++) {
const char val[] = {static_cast<char>('a' + i + (sa0.size / 2)), '\0'};
EXPECT_STREQ(val, sa0.data[i]);
}
for (size_t i = sa0.size / 2; i < sa0.size; i++) {
EXPECT_STREQ(nullptr, sa0.data[i]);
}
// Already in order, with empty entries
ret = rcutils_string_array_sort(&sa0);
EXPECT_EQ(RCUTILS_RET_OK, ret);
for (size_t i = 0; i < sa0.size / 2; i++) {
const char val[] = {static_cast<char>('a' + i + (sa0.size / 2)), '\0'};
EXPECT_STREQ(val, sa0.data[i]);
}
for (size_t i = sa0.size / 2; i < sa0.size; i++) {
EXPECT_STREQ(nullptr, sa0.data[i]);
}
ASSERT_EQ(RCUTILS_RET_OK, rcutils_string_array_fini(&sa0));
}
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