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TheRock/rocm-libraries/projects/rocthrust/test/test_preprocessor.cpp
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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/*
* Copyright 2008-2013 NVIDIA Corporation
* Modifications Copyright© 2025 Advanced Micro Devices, Inc. All rights reserved.
*
* 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 <thrust/detail/preprocessor.h>
#include <string>
#include "test_param_fixtures.hpp"
#include "test_utils.hpp"
// clang-format off
TEST(PreprocessorTest, test_pp_stringize)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(int))
, "int"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(hello world))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(hello world))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE( hello world))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(hello world ))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE( hello world ))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(hello
world))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE("hello world"))
, "\"hello world\""
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE('hello world'))
, "'hello world'"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE($%!&<->))
, "$%!&<->"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE($%!&""<->))
, "$%!&\"\"<->"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_STRINGIZE))
, "THRUST_PP_STRINGIZE"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_STRINGIZE(int)))
, "\"int\""
);
}
TEST(PreprocessorTest, test_pp_cat2)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_CAT2(i, nt)))
, "int"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_CAT2(hello, world)))
, "helloworld"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_CAT2(hello , world)))
, "helloworld"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_CAT2( hello, world)))
, "helloworld"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_CAT2(hello, world)))
, "helloworld"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_CAT2(hello, world )))
, "helloworld"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_CAT2(hello,
world )))
, "helloworld"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_CAT2(hello world, from thrust!)))
, "hello worldfrom thrust!"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_CAT2(-, >)))
, "->"
);
}
#define THRUST_TEST_PP_EXPAND_TARGET() success
#define THRUST_TEST_PP_EXPAND_ARGS() ()
TEST(PreprocessorTest, test_pp_expand)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND(int)))
, "int"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND(hello world)))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND(hello world)))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND( hello world)))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND(hello world )))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND( hello world )))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND(hello
world)))
, "hello world"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND("hello world")))
, "\"hello world\""
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND('hello world')))
, "'hello world'"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND($%!&<->)))
, "$%!&<->"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND($%!&""<->)))
, "$%!&\"\"<->"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND(THRUST_PP_EXPAND)))
, "THRUST_PP_EXPAND"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND(THRUST_PP_EXPAND(int))))
, "int"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND(
THRUST_PP_CAT2(THRUST_TEST_, PP_EXPAND_TARGET)()
)))
, "success"
);
ASSERT_EQ(
std::string(THRUST_PP_STRINGIZE(THRUST_PP_EXPAND(
THRUST_TEST_PP_EXPAND_TARGET THRUST_TEST_PP_EXPAND_ARGS()
)))
, "success"
);
}
#undef THRUST_TEST_PP_EXPAND_TARGET
#undef THRUST_TEST_PP_EXPAND_ARGS
TEST(PreprocessorTest, test_pp_arity)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
ASSERT_EQ(
THRUST_PP_ARITY()
, 0
);
/* This bash script was used to generate these tests:
for arity in {0..62}
do
echo " ASSERT_EQ("
echo " THRUST_PP_ARITY("
echo " `bash -c \"echo {0..${arity}} | tr ' ' ,\"`"
echo " )"
echo " , $((${arity} + 1))"
echo " );"
echo
done
*/
ASSERT_EQ(
THRUST_PP_ARITY(
0
)
, 1
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1
)
, 2
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2
)
, 3
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3
)
, 4
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4
)
, 5
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5
)
, 6
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6
)
, 7
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7
)
, 8
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8
)
, 9
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9
)
, 10
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10
)
, 11
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11
)
, 12
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12
)
, 13
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13
)
, 14
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
)
, 15
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
)
, 16
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
)
, 17
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17
)
, 18
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
)
, 19
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
)
, 20
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20
)
, 21
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21
)
, 22
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22
)
, 23
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23
)
, 24
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24
)
, 25
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25
)
, 26
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26
)
, 27
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27
)
, 28
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28
)
, 29
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29
)
, 30
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
)
, 31
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31
)
, 32
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32
)
, 33
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33
)
, 34
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34
)
, 35
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35
)
, 36
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36
)
, 37
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37
)
, 38
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38
)
, 39
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39
)
, 40
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40
)
, 41
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41
)
, 42
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42
)
, 43
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43
)
, 44
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44
)
, 45
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45
)
, 46
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46
)
, 47
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47
)
, 48
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48
)
, 49
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49
)
, 50
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50
)
, 51
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51
)
, 52
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52
)
, 53
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53
)
, 54
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54
)
, 55
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55
)
, 56
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56
)
, 57
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57
)
, 58
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58
)
, 59
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59
)
, 60
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60
)
, 61
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61
)
, 62
);
ASSERT_EQ(
THRUST_PP_ARITY(
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62
)
, 63
);
}
#define THRUST_TEST_PP_DISPATCH_PLUS(...) \
THRUST_PP_DISPATCH(THRUST_TEST_PP_DISPATCH_PLUS, __VA_ARGS__) \
/**/
#define THRUST_TEST_PP_DISPATCH_PLUS0() 0
#define THRUST_TEST_PP_DISPATCH_PLUS1(x) x
#define THRUST_TEST_PP_DISPATCH_PLUS2(x, y) x + y
#define THRUST_TEST_PP_DISPATCH_PLUS3(x, y, z) x + y + z
TEST(PreprocessorTest, test_pp_dispatch)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
ASSERT_EQ(
THRUST_TEST_PP_DISPATCH_PLUS()
, 0
);
ASSERT_EQ(
THRUST_TEST_PP_DISPATCH_PLUS(0)
, 0
);
ASSERT_EQ(
THRUST_TEST_PP_DISPATCH_PLUS(1, 2)
, 3
);
ASSERT_EQ(
THRUST_TEST_PP_DISPATCH_PLUS(1, 2, 3)
, 6
);
}
// clang-format on
#undef THRUST_TEST_PP_DISPATCH_PLUS
#undef THRUST_TEST_PP_DISPATCH_PLUS0
#undef THRUST_TEST_PP_DISPATCH_PLUS1
#undef THRUST_TEST_PP_DISPATCH_PLUS2
#undef THRUST_TEST_PP_DISPATCH_PLUS3
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