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// This test verifies that API for ISPC C++ library works correctly
// and without state corruption.
// RUN: %{cxx} -x c++ -std=c++17 -I%{ispc_include} %s -L%{ispc_lib} -lispc -o %t.bin
// RUN: env LD_LIBRARY_PATH=%{ispc_lib} %t.bin | FileCheck %s
// REQUIRES: LINUX_HOST
// CHECK: ISPC C++ API Test Starting
// CHECK: Basic compilation test: SUCCESS
// CHECK: Multiple compilation test: SUCCESS
// CHECK: Engine isolation test: SUCCESS
// CHECK: All tests completed successfully
// REQUIRES: ISPC_LIBRARY && !ASAN_RUN
#include <iostream>
#include <vector>
#include <string>
#include <memory>
#include <fstream>
#include "ispc/ispc.h"
int main() {
std::cout << "ISPC C++ API Test Starting\n";
// Initialize ISPC
if (!ispc::Initialize()) {
std::cerr << "Failed to initialize ISPC\n";
return 1;
}
bool all_tests_passed = true;
// Test 1: Basic compilation - create a simple ISPC program in memory and compile it
// We'll write a simple ISPC file first
{
// Create a simple test ISPC file
std::ofstream test_file("simple_test.ispc");
test_file << "export void test_func(uniform float vin[], uniform float vout[], uniform int count) {\n";
test_file << " foreach (i = 0 ... count) {\n";
test_file << " vout[i] = vin[i] * 2.0f;\n";
test_file << " }\n";
test_file << "}\n";
test_file.close();
std::vector<std::string> args = {"simple_test.ispc", "--target=host", "-o", "test1.o"};
int result = ispc::CompileFromArgs(args);
if (result == 0) {
std::cout << "Basic compilation test: SUCCESS\n";
} else {
std::cout << "Basic compilation test: FAILED\n";
all_tests_passed = false;
}
}
// Test 2: Multiple compilations with different options
{
std::vector<std::string> args1 = {"simple_test.ispc", "--target=host", "-O2", "-o", "test2a.o"};
std::vector<std::string> args2 = {"simple_test.ispc", "--target=host", "-O0", "--emit-asm", "-o", "test2b.s"};
int result1 = ispc::CompileFromArgs(args1);
int result2 = ispc::CompileFromArgs(args2);
if (result1 == 0 && result2 == 0) {
std::cout << "Multiple compilation test: SUCCESS\n";
} else {
std::cout << "Multiple compilation test: FAILED\n";
all_tests_passed = false;
}
}
// Test 3: Engine isolation test
{
std::vector<std::string> engine_args1 = {"simple_test.ispc", "--target=host", "-O2", "-o", "engine1.o"};
std::vector<std::string> engine_args2 = {"simple_test.ispc", "--target=host", "-O0", "-o", "engine2.o"};
std::vector<std::string> engine_args3 = {"simple_test.ispc", "--target=host", "--emit-asm", "-o", "engine3.s"};
auto engine1 = ispc::ISPCEngine::CreateFromArgs(engine_args1);
auto engine2 = ispc::ISPCEngine::CreateFromArgs(engine_args2);
auto engine3 = ispc::ISPCEngine::CreateFromArgs(engine_args3);
bool engines_created = engine1 && engine2 && engine3;
bool engines_executed = false;
if (engines_created) {
int r1 = engine1->Execute();
int r2 = engine2->Execute();
int r3 = engine3->Execute();
engines_executed = (r1 == 0 && r2 == 0 && r3 == 0);
}
if (engines_created && engines_executed) {
std::cout << "Engine isolation test: SUCCESS\n";
} else {
std::cout << "Engine isolation test: FAILED\n";
all_tests_passed = false;
}
}
ispc::Shutdown();
if (all_tests_passed) {
std::cout << "All tests completed successfully\n";
return 0;
} else {
std::cout << "Some tests failed\n";
return 1;
}
}
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