diff --git a/.gitignore b/.gitignore
index cd5ff6e..bfeb25d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,4 @@ makefile~
 build/
 src/core/kernels/stencil_assembly.cuh
 src/core/kernels/stencil_process.cuh
+tests/
diff --git a/acc/hydro_solver/stencil_defines.h b/acc/hydro_solver/stencil_defines.h
new file mode 100644
index 0000000..666bd10
--- /dev/null
+++ b/acc/hydro_solver/stencil_defines.h
@@ -0,0 +1,163 @@
+/*
+    Copyright (C) 2014-2019, Johannes Pekkilae, Miikka Vaeisalae.
+
+    This file is part of Astaroth.
+
+    Astaroth is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Astaroth is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Astaroth.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+
+/*
+ * =============================================================================
+ * Logical switches
+ * =============================================================================
+ */
+#define STENCIL_ORDER (6)
+#define NGHOST (STENCIL_ORDER / 2)
+#define LDENSITY (1)
+#define LHYDRO (1)
+#define LMAGNETIC (0)
+#define LENTROPY (0)
+#define LTEMPERATURE (0)
+#define LFORCING (0)
+#define LUPWD (0)
+
+#define AC_THERMAL_CONDUCTIVITY (AcReal(0.001)) // TODO: make an actual config parameter
+
+/*
+ * =============================================================================
+ * User-defined parameters
+ * =============================================================================
+ */
+// clang-format off
+#define AC_FOR_USER_INT_PARAM_TYPES(FUNC)\
+        /* Other */\
+        FUNC(AC_max_steps), \
+        FUNC(AC_save_steps), \
+        FUNC(AC_bin_steps), \
+        FUNC(AC_bc_type),
+
+#define AC_FOR_USER_INT3_PARAM_TYPES(FUNC)
+
+#define AC_FOR_USER_REAL_PARAM_TYPES(FUNC)\
+        /* cparams */\
+        FUNC(AC_dsx), \
+        FUNC(AC_dsy), \
+        FUNC(AC_dsz), \
+        FUNC(AC_dsmin), \
+        /* physical grid*/\
+        FUNC(AC_xlen), \
+        FUNC(AC_ylen), \
+        FUNC(AC_zlen), \
+        FUNC(AC_xorig), \
+        FUNC(AC_yorig), \
+        FUNC(AC_zorig), \
+        /*Physical units*/\
+        FUNC(AC_unit_density),\
+        FUNC(AC_unit_velocity),\
+        FUNC(AC_unit_length),\
+        /* properties of gravitating star*/\
+        FUNC(AC_star_pos_x),\
+        FUNC(AC_star_pos_y),\
+        FUNC(AC_star_pos_z),\
+        FUNC(AC_M_star),\
+        /* Run params */\
+        FUNC(AC_cdt), \
+        FUNC(AC_cdtv), \
+        FUNC(AC_cdts), \
+        FUNC(AC_nu_visc), \
+        FUNC(AC_cs_sound), \
+        FUNC(AC_eta), \
+        FUNC(AC_mu0), \
+        FUNC(AC_cp_sound), \
+        FUNC(AC_gamma), \
+        FUNC(AC_cv_sound), \
+        FUNC(AC_lnT0), \
+        FUNC(AC_lnrho0), \
+        FUNC(AC_zeta), \
+        FUNC(AC_trans),\
+        /* Other */\
+        FUNC(AC_bin_save_t), \
+        /* Initial condition params */\
+        FUNC(AC_ampl_lnrho), \
+        FUNC(AC_ampl_uu), \
+        FUNC(AC_angl_uu), \
+        FUNC(AC_lnrho_edge),\
+        FUNC(AC_lnrho_out),\
+	/* Forcing parameters. User configured. */\
+        FUNC(AC_forcing_magnitude),\
+        FUNC(AC_relhel), \
+        FUNC(AC_kmin), \
+        FUNC(AC_kmax), \
+	/* Forcing parameters. Set by the generator. */\
+        FUNC(AC_forcing_phase),\
+        FUNC(AC_k_forcex),\
+        FUNC(AC_k_forcey),\
+        FUNC(AC_k_forcez),\
+        FUNC(AC_kaver),\
+        FUNC(AC_ff_hel_rex),\
+        FUNC(AC_ff_hel_rey),\
+        FUNC(AC_ff_hel_rez),\
+        FUNC(AC_ff_hel_imx),\
+        FUNC(AC_ff_hel_imy),\
+        FUNC(AC_ff_hel_imz),\
+        /* Additional helper params */\
+        /* (deduced from other params do not set these directly!) */\
+        FUNC(AC_G_CONST),\
+        FUNC(AC_GM_star),\
+        FUNC(AC_sq2GM_star),\
+        FUNC(AC_cs2_sound), \
+        FUNC(AC_inv_dsx), \
+        FUNC(AC_inv_dsy), \
+        FUNC(AC_inv_dsz),
+
+#define AC_FOR_USER_REAL3_PARAM_TYPES(FUNC)
+// clang-format on
+
+/*
+ * =============================================================================
+ * User-defined vertex buffers
+ * =============================================================================
+ */
+// clang-format off
+#if LENTROPY
+#define AC_FOR_VTXBUF_HANDLES(FUNC) \
+    FUNC(VTXBUF_LNRHO), \
+    FUNC(VTXBUF_UUX), \
+    FUNC(VTXBUF_UUY), \
+    FUNC(VTXBUF_UUZ), \
+    FUNC(VTXBUF_AX), \
+    FUNC(VTXBUF_AY), \
+    FUNC(VTXBUF_AZ), \
+    FUNC(VTXBUF_ENTROPY),
+#elif LMAGNETIC
+#define AC_FOR_VTXBUF_HANDLES(FUNC) \
+    FUNC(VTXBUF_LNRHO), \
+    FUNC(VTXBUF_UUX), \
+    FUNC(VTXBUF_UUY), \
+    FUNC(VTXBUF_UUZ), \
+    FUNC(VTXBUF_AX), \
+    FUNC(VTXBUF_AY), \
+    FUNC(VTXBUF_AZ),
+#elif LHYDRO
+#define AC_FOR_VTXBUF_HANDLES(FUNC) \
+    FUNC(VTXBUF_LNRHO), \
+    FUNC(VTXBUF_UUX), \
+    FUNC(VTXBUF_UUY), \
+    FUNC(VTXBUF_UUZ),
+#else
+#define AC_FOR_VTXBUF_HANDLES(FUNC) \
+    FUNC(VTXBUF_LNRHO),
+#endif
+// clang-format on
diff --git a/acc/magnetic_solver/stencil_defines.h b/acc/magnetic_solver/stencil_defines.h
new file mode 100644
index 0000000..48f4f3d
--- /dev/null
+++ b/acc/magnetic_solver/stencil_defines.h
@@ -0,0 +1,163 @@
+/*
+    Copyright (C) 2014-2019, Johannes Pekkilae, Miikka Vaeisalae.
+
+    This file is part of Astaroth.
+
+    Astaroth is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Astaroth is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Astaroth.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+
+/*
+ * =============================================================================
+ * Logical switches
+ * =============================================================================
+ */
+#define STENCIL_ORDER (6)
+#define NGHOST (STENCIL_ORDER / 2)
+#define LDENSITY (1)
+#define LHYDRO (1)
+#define LMAGNETIC (1)
+#define LENTROPY (0)
+#define LTEMPERATURE (0)
+#define LFORCING (0)
+#define LUPWD (0)
+
+#define AC_THERMAL_CONDUCTIVITY (AcReal(0.001)) // TODO: make an actual config parameter
+
+/*
+ * =============================================================================
+ * User-defined parameters
+ * =============================================================================
+ */
+// clang-format off
+#define AC_FOR_USER_INT_PARAM_TYPES(FUNC)\
+        /* Other */\
+        FUNC(AC_max_steps), \
+        FUNC(AC_save_steps), \
+        FUNC(AC_bin_steps), \
+        FUNC(AC_bc_type),
+
+#define AC_FOR_USER_INT3_PARAM_TYPES(FUNC)
+
+#define AC_FOR_USER_REAL_PARAM_TYPES(FUNC)\
+        /* cparams */\
+        FUNC(AC_dsx), \
+        FUNC(AC_dsy), \
+        FUNC(AC_dsz), \
+        FUNC(AC_dsmin), \
+        /* physical grid*/\
+        FUNC(AC_xlen), \
+        FUNC(AC_ylen), \
+        FUNC(AC_zlen), \
+        FUNC(AC_xorig), \
+        FUNC(AC_yorig), \
+        FUNC(AC_zorig), \
+        /*Physical units*/\
+        FUNC(AC_unit_density),\
+        FUNC(AC_unit_velocity),\
+        FUNC(AC_unit_length),\
+        /* properties of gravitating star*/\
+        FUNC(AC_star_pos_x),\
+        FUNC(AC_star_pos_y),\
+        FUNC(AC_star_pos_z),\
+        FUNC(AC_M_star),\
+        /* Run params */\
+        FUNC(AC_cdt), \
+        FUNC(AC_cdtv), \
+        FUNC(AC_cdts), \
+        FUNC(AC_nu_visc), \
+        FUNC(AC_cs_sound), \
+        FUNC(AC_eta), \
+        FUNC(AC_mu0), \
+        FUNC(AC_cp_sound), \
+        FUNC(AC_gamma), \
+        FUNC(AC_cv_sound), \
+        FUNC(AC_lnT0), \
+        FUNC(AC_lnrho0), \
+        FUNC(AC_zeta), \
+        FUNC(AC_trans),\
+        /* Other */\
+        FUNC(AC_bin_save_t), \
+        /* Initial condition params */\
+        FUNC(AC_ampl_lnrho), \
+        FUNC(AC_ampl_uu), \
+        FUNC(AC_angl_uu), \
+        FUNC(AC_lnrho_edge),\
+        FUNC(AC_lnrho_out),\
+	/* Forcing parameters. User configured. */\
+        FUNC(AC_forcing_magnitude),\
+        FUNC(AC_relhel), \
+        FUNC(AC_kmin), \
+        FUNC(AC_kmax), \
+	/* Forcing parameters. Set by the generator. */\
+        FUNC(AC_forcing_phase),\
+        FUNC(AC_k_forcex),\
+        FUNC(AC_k_forcey),\
+        FUNC(AC_k_forcez),\
+        FUNC(AC_kaver),\
+        FUNC(AC_ff_hel_rex),\
+        FUNC(AC_ff_hel_rey),\
+        FUNC(AC_ff_hel_rez),\
+        FUNC(AC_ff_hel_imx),\
+        FUNC(AC_ff_hel_imy),\
+        FUNC(AC_ff_hel_imz),\
+        /* Additional helper params */\
+        /* (deduced from other params do not set these directly!) */\
+        FUNC(AC_G_CONST),\
+        FUNC(AC_GM_star),\
+        FUNC(AC_sq2GM_star),\
+        FUNC(AC_cs2_sound), \
+        FUNC(AC_inv_dsx), \
+        FUNC(AC_inv_dsy), \
+        FUNC(AC_inv_dsz),
+
+#define AC_FOR_USER_REAL3_PARAM_TYPES(FUNC)
+// clang-format on
+
+/*
+ * =============================================================================
+ * User-defined vertex buffers
+ * =============================================================================
+ */
+// clang-format off
+#if LENTROPY
+#define AC_FOR_VTXBUF_HANDLES(FUNC) \
+    FUNC(VTXBUF_LNRHO), \
+    FUNC(VTXBUF_UUX), \
+    FUNC(VTXBUF_UUY), \
+    FUNC(VTXBUF_UUZ), \
+    FUNC(VTXBUF_AX), \
+    FUNC(VTXBUF_AY), \
+    FUNC(VTXBUF_AZ), \
+    FUNC(VTXBUF_ENTROPY),
+#elif LMAGNETIC
+#define AC_FOR_VTXBUF_HANDLES(FUNC) \
+    FUNC(VTXBUF_LNRHO), \
+    FUNC(VTXBUF_UUX), \
+    FUNC(VTXBUF_UUY), \
+    FUNC(VTXBUF_UUZ), \
+    FUNC(VTXBUF_AX), \
+    FUNC(VTXBUF_AY), \
+    FUNC(VTXBUF_AZ),
+#elif LHYDRO
+#define AC_FOR_VTXBUF_HANDLES(FUNC) \
+    FUNC(VTXBUF_LNRHO), \
+    FUNC(VTXBUF_UUX), \
+    FUNC(VTXBUF_UUY), \
+    FUNC(VTXBUF_UUZ),
+#else
+#define AC_FOR_VTXBUF_HANDLES(FUNC) \
+    FUNC(VTXBUF_LNRHO),
+#endif
+// clang-format on
diff --git a/scripts/autotest.sh b/scripts/autotest.sh
new file mode 100755
index 0000000..cdaebf5
--- /dev/null
+++ b/scripts/autotest.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+results=()
+
+# Parameters
+# $1: String testname
+# $2: String stencil_define_file
+# $3: String stencil_assembly_file
+# $4: String stencil_process_file
+test_solver() {
+    TEST_DIR="tests/"$1
+    ac_mkbuilddir.sh -b ${TEST_DIR}
+    cd ${TEST_DIR}
+    compile_acc.sh --header $2 --assembly $3 --process $4
+    make -j
+    ${SRUN_COMMAND} ./ac_run -t
+    results+=(${TEST_DIR}" fail? "$?)
+}
+
+NAME="hydro"
+HEADER="hydro_solver/stencil_defines.h"
+ASSEMBLY="mhd_solver/stencil_assembly.sas"
+PROCESS="mhd_solver/stencil_process.sps"
+test_solver ${NAME} ${HEADER} ${ASSEMBLY} ${PROCESS}
+
+NAME="magnetic"
+HEADER="magnetic_solver/stencil_defines.h"
+ASSEMBLY="mhd_solver/stencil_assembly.sas"
+PROCESS="mhd_solver/stencil_process.sps"
+test_solver ${NAME} ${HEADER} ${ASSEMBLY} ${PROCESS}
+
+NAME="mhd"
+HEADER="mhd_solver/stencil_defines.h"
+ASSEMBLY="mhd_solver/stencil_assembly.sas"
+PROCESS="mhd_solver/stencil_process.sps"
+test_solver ${NAME} ${HEADER} ${ASSEMBLY} ${PROCESS}
+
+# Print results
+for i in "${results[@]}"; do echo "$i" ; done