From d27d4912af06a9d0106e99edc77910060d09f1da Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Mon, 14 Sep 2020 20:53:19 -0400
Subject: [PATCH] test lammps_extract_settings()

---
 unittest/c-library/CMakeLists.txt             |  2 +-
 .../c-library/test_library_properties.cpp     | 58 ++++++++++++++++++-
 2 files changed, 57 insertions(+), 3 deletions(-)

diff --git a/unittest/c-library/CMakeLists.txt b/unittest/c-library/CMakeLists.txt
index a2e2bcde64..fe70cb1584 100644
--- a/unittest/c-library/CMakeLists.txt
+++ b/unittest/c-library/CMakeLists.txt
@@ -12,7 +12,7 @@ target_link_libraries(test_library_properties PRIVATE lammps GTest::GTest GTest:
 target_compile_definitions(test_library_properties PRIVATE -DTEST_INPUT_FOLDER=${CMAKE_CURRENT_SOURCE_DIR})
 add_test(LibraryProperties test_library_properties)
 
-set(TEST_CONFIG_DEFS -DTEST_INPUT_FOLDER=${CMAKE_CURRENT_SOURCE_DIR})
+set(TEST_CONFIG_DEFS "-DTEST_INPUT_FOLDER=${CMAKE_CURRENT_SOURCE_DIR};-DLAMMPS_${LAMMPS_SIZES}")
 set(PKG_COUNT 0)
 foreach(PKG ${STANDARD_PACKAGES} ${SUFFIX_PACKAGES})
   if(PKG_${PKG})
diff --git a/unittest/c-library/test_library_properties.cpp b/unittest/c-library/test_library_properties.cpp
index 1dfbc99f19..3b1393e5c6 100644
--- a/unittest/c-library/test_library_properties.cpp
+++ b/unittest/c-library/test_library_properties.cpp
@@ -140,8 +140,8 @@ TEST_F(LibraryProperties, box)
     EXPECT_DOUBLE_EQ(lammps_get_thermo(lmp, "cellgamma"), 88.090847567003621);
 
     boxlo[0] = -6.1;
-    boxhi[1] =  7.3;
-    xy = 0.1;
+    boxhi[1] = 7.3;
+    xy       = 0.1;
     lammps_reset_box(lmp, boxlo, boxhi, xy, yz, xz);
     lammps_extract_box(lmp, boxlo, boxhi, &xy, &yz, &xz, pflags, &boxflag);
     EXPECT_DOUBLE_EQ(boxlo[0], -6.1);
@@ -160,3 +160,57 @@ TEST_F(LibraryProperties, box)
     EXPECT_DOUBLE_EQ(lammps_get_thermo(lmp, "vol"), 3390.3580784497199);
     EXPECT_DOUBLE_EQ(lammps_get_thermo(lmp, "cellgamma"), 89.61785205109274);
 };
+TEST_F(LibraryProperties, setting)
+{
+#if defined(LAMMPS_SMALLSMALL)
+    EXPECT_EQ(lammps_extract_setting(lmp, "bigint"), 4);
+#else
+    EXPECT_EQ(lammps_extract_setting(lmp, "bigint"), 8);
+#endif
+#if defined(LAMMPS_BIGBIG)
+    EXPECT_EQ(lammps_extract_setting(lmp, "tagint"), 8);
+    EXPECT_EQ(lammps_extract_setting(lmp, "imageint"), 8);
+#else
+    EXPECT_EQ(lammps_extract_setting(lmp, "tagint"), 4);
+    EXPECT_EQ(lammps_extract_setting(lmp, "imageint"), 4);
+#endif
+
+    EXPECT_EQ(lammps_extract_setting(lmp, "box_exist"), 0);
+    if (!verbose) ::testing::internal::CaptureStdout();
+    lammps_command(lmp, "dimension 2");
+    if (!verbose) ::testing::internal::GetCapturedStdout();
+    EXPECT_EQ(lammps_extract_setting(lmp, "dimension"), 2);
+    if (!verbose) ::testing::internal::CaptureStdout();
+    lammps_command(lmp, "dimension 3");
+    if (!verbose) ::testing::internal::GetCapturedStdout();
+    EXPECT_EQ(lammps_extract_setting(lmp, "molecule_flag"), 0);
+    EXPECT_EQ(lammps_extract_setting(lmp, "q_flag"), 0);
+    EXPECT_EQ(lammps_extract_setting(lmp, "mu_flag"), 0);
+    EXPECT_EQ(lammps_extract_setting(lmp, "rmass_flag"), 0);
+    EXPECT_EQ(lammps_extract_setting(lmp, "UNKNOWN"), -1);
+
+    if (lammps_has_style(lmp, "atom", "full")) {
+        std::string input = INPUT_DIR + PATH_SEP + "in.fourmol";
+        if (!verbose) ::testing::internal::CaptureStdout();
+        lammps_file(lmp, input.c_str());
+        lammps_command(lmp, "run 2 post no");
+        if (!verbose) ::testing::internal::GetCapturedStdout();
+        EXPECT_EQ(lammps_extract_setting(lmp, "triclinic"), 0);
+        EXPECT_EQ(lammps_extract_setting(lmp, "box_exist"), 1);
+        EXPECT_EQ(lammps_extract_setting(lmp, "dimension"), 3);
+        EXPECT_EQ(lammps_extract_setting(lmp, "nlocal"), 29);
+        EXPECT_EQ(lammps_extract_setting(lmp, "nghost"), 518);
+        EXPECT_EQ(lammps_extract_setting(lmp, "nall"), 547);
+        EXPECT_EQ(lammps_extract_setting(lmp, "nmax"), 16384);
+        EXPECT_EQ(lammps_extract_setting(lmp, "molecule_flag"), 1);
+        EXPECT_EQ(lammps_extract_setting(lmp, "q_flag"), 1);
+        EXPECT_EQ(lammps_extract_setting(lmp, "mu_flag"), 0);
+        EXPECT_EQ(lammps_extract_setting(lmp, "rmass_flag"), 0);
+        if (!verbose) ::testing::internal::CaptureStdout();
+        lammps_command(lmp, "change_box all triclinic");
+        lammps_command(lmp, "fix rmass all property/atom rmass ghost yes");
+        if (!verbose) ::testing::internal::GetCapturedStdout();
+        EXPECT_EQ(lammps_extract_setting(lmp, "triclinic"), 1);
+        EXPECT_EQ(lammps_extract_setting(lmp, "rmass_flag"), 1);
+    }
+};