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/*
* Copyright © 2022 Yonggang Luo
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <gtest/gtest.h>
#include "util/memstream.h"
#include "util/u_memory.h"
#include "util/u_printf.h"
class u_printf_test : public ::testing::Test
{
private:
template<typename T>
void add_to_buffer(const T& t)
{
const uint8_t *data = reinterpret_cast<const uint8_t*>(&t);
buffer.insert(buffer.end(), data, data + sizeof(t));
}
protected:
char *out_buffer = nullptr;
size_t buffer_size = 0;
struct format {
std::vector<char> fmt;
std::vector<unsigned> args;
};
std::vector<format> formats;
std::vector<char> buffer;
unsigned last_format;
virtual void SetUp()
{
}
virtual void TearDown()
{
if (out_buffer != NULL) {
free(out_buffer);
}
}
void add_format(const char *string, std::vector<unsigned> arg_sizes)
{
format fmt;
fmt.fmt = std::vector<char>(string, string + strlen(string) + 1);
fmt.args = arg_sizes;
formats.push_back(fmt);
}
void use_format(uint32_t idx)
{
last_format = idx;
idx += 1;
add_to_buffer(idx);
}
void add_arg(const char *str)
{
format &fmt = formats[last_format];
uint64_t pos = fmt.fmt.size();
fmt.fmt.insert(fmt.fmt.end(), str, str + strlen(str) + 1);
add_to_buffer(pos);
}
template<typename T>
void add_arg(typename std::enable_if<std::is_scalar<T>::value, T>::type t)
{
add_to_buffer(t);
}
template<typename T, size_t N>
void add_arg(const T (&t)[N])
{
for (unsigned i = 0; i < N; i++)
add_to_buffer(t[i]);
}
std::string parse()
{
u_memstream stream;
FILE* out;
u_memstream_open(&stream, &out_buffer, &buffer_size);
out = u_memstream_get(&stream);
std::vector<u_printf_info> infos;
for (auto& format : formats) {
u_printf_info info;
info.num_args = static_cast<unsigned>(format.args.size());
info.arg_sizes = format.args.data();
info.string_size = format.fmt.size();
info.strings = const_cast<char*>(format.fmt.data());
infos.push_back(info);
}
u_printf(out, buffer.data(), buffer.size(), infos.data(), infos.size());
u_memstream_close(&stream);
return out_buffer;
}
};
TEST_F(u_printf_test, util_printf_next_spec_pos)
{
EXPECT_EQ(util_printf_next_spec_pos("%d%d", 0), 1);
EXPECT_EQ(util_printf_next_spec_pos("%%d", 0), -1);
EXPECT_EQ(util_printf_next_spec_pos("%dd", 0), 1);
EXPECT_EQ(util_printf_next_spec_pos("%%%%%%", 0), -1);
EXPECT_EQ(util_printf_next_spec_pos("%%%%%%%d", 0), 7);
EXPECT_EQ(util_printf_next_spec_pos("abcdef%d", 0), 7);
EXPECT_EQ(util_printf_next_spec_pos("abcdef%d", 6), 7);
EXPECT_EQ(util_printf_next_spec_pos("abcdef%d", 7), -1);
EXPECT_EQ(util_printf_next_spec_pos("abcdef%%", 7), -1);
EXPECT_EQ(util_printf_next_spec_pos("abcdef%d%d", 0), 7);
EXPECT_EQ(util_printf_next_spec_pos("%rrrrr%d%d", 0), 7);
EXPECT_EQ(util_printf_next_spec_pos("%%rrrr%d%d", 0), 7);
}
TEST_F(u_printf_test, util_printf_simple)
{
add_format("Hello", { });
use_format(0);
EXPECT_EQ(parse(), "Hello");
}
TEST_F(u_printf_test, util_printf_single_string)
{
add_format("%s\n", { 8 });
use_format(0);
add_arg("Hello");
EXPECT_EQ(parse(), "Hello\n");
}
TEST_F(u_printf_test, util_printf_multiple_string)
{
add_format("foo %s bar\n", { 8 });
add_format("%s[%s]: %s\n", { 8, 8, 8 });
add_format("!!! %s !!!", { 8 });
use_format(2);
add_arg("ERROR");
use_format(0);
add_arg("OpenCL\n");
use_format(1);
add_arg("mesa");
add_arg("12345");
add_arg("error");
use_format(0);
add_arg("ABCDE\n");
EXPECT_EQ(parse(), "!!! ERROR !!!foo OpenCL\n bar\nmesa[12345]: error\nfoo ABCDE\n bar\n");
}
TEST_F(u_printf_test, util_printf_mixed)
{
add_format("LOG[%s] %u + %u = %u", { 8, 4, 4, 4 });
use_format(0);
add_arg("DEBUG");
add_arg<uint32_t>(5);
add_arg<uint32_t>(8);
add_arg<uint32_t>(13);
EXPECT_EQ(parse(), "LOG[DEBUG] 5 + 8 = 13");
}
TEST_F(u_printf_test, util_printf_mixed_multiple)
{
add_format("%%%%%s %u %f %.1v4hlf ", { 8, 4, 4, 16 });
add_format("%i %u\n", { 4, 4 });
add_format("ABCED\n", {});
add_format("foo %hx bar\n", { 2 });
use_format(2);
use_format(1);
add_arg<int32_t>(-5);
add_arg<uint32_t>(6);
float floats[4] = {
1.0,
2.0,
3.0,
4.0
};
use_format(0);
add_arg("mesa");
add_arg<uint32_t>(10);
add_arg<float>(3.0);
add_arg<float, 4>(floats);
EXPECT_EQ(parse(), "ABCED\n-5 6\n%%%%mesa 10 3.000000 1.0,2.0,3.0,4.0 ");
}
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