71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
// unit tests for issuing command to a LAMMPS instance through the Fortran wrapper
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#include "lammps.h"
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#include <cstdio> // for stdin, stdout
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#include <mpi.h>
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#include <string>
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#include "gtest/gtest.h"
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// prototypes for fortran reverse wrapper functions
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extern "C" {
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void *f_lammps_with_args();
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void f_lammps_close();
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void f_lammps_file();
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void f_lammps_command();
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void f_lammps_commands_list();
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void f_lammps_commands_string();
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double f_lammps_get_natoms();
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}
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class LAMMPS_commands : public ::testing::Test {
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protected:
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LAMMPS_NS::LAMMPS *lmp;
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LAMMPS_commands(){};
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~LAMMPS_commands() override{};
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void SetUp() override
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{
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::testing::internal::CaptureStdout();
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lmp = (LAMMPS_NS::LAMMPS *)f_lammps_with_args();
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std::string output = ::testing::internal::GetCapturedStdout();
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EXPECT_STREQ(output.substr(0, 8).c_str(), "LAMMPS (");
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}
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void TearDown() override
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{
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::testing::internal::CaptureStdout();
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f_lammps_close();
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std::string output = ::testing::internal::GetCapturedStdout();
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EXPECT_STREQ(output.substr(0, 16).c_str(), "Total wall time:");
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lmp = nullptr;
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}
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};
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TEST_F(LAMMPS_commands, from_file)
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{
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EXPECT_EQ(f_lammps_get_natoms(), 0);
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f_lammps_file();
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EXPECT_EQ(f_lammps_get_natoms(), 2);
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};
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TEST_F(LAMMPS_commands, from_line)
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{
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EXPECT_EQ(f_lammps_get_natoms(), 0);
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f_lammps_command();
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EXPECT_EQ(f_lammps_get_natoms(), 1);
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};
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TEST_F(LAMMPS_commands, from_list)
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{
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EXPECT_EQ(f_lammps_get_natoms(), 0);
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f_lammps_commands_list();
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EXPECT_EQ(f_lammps_get_natoms(), 2);
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};
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TEST_F(LAMMPS_commands, from_string)
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{
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EXPECT_EQ(f_lammps_get_natoms(), 0);
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f_lammps_commands_string();
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EXPECT_EQ(f_lammps_get_natoms(), 2);
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};
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