diff --git a/.gitignore b/.gitignore
index cb5fee19..c8e956ac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,12 +6,17 @@ configure
 libtool
 Makefile
 Makefile.in
+test-suite.log
 
 vkd3d-*.tar.gz
 
+*.exe
 *.la
 *.lo
+*.log
+*.o
 *.pc
+*.trs
 *~
 
 .deps
diff --git a/Makefile.am b/Makefile.am
index 7f9fc5cf..3dd39101 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 ACLOCAL_AMFLAGS = -I m4
 AM_CFLAGS = @VKD3D_CFLAGS@
-AM_CPPFLAGS = -I$(srcdir)/include -I$(srcdir)/include/dummy
+AM_CPPFLAGS = -I$(srcdir)/include -I$(srcdir)/include/dummy -I$(srcdir)/include/private
 
 widl_headers = \
 	include/d3d12.h
@@ -12,6 +12,9 @@ vkd3d_public_headers = \
 	include/dxgibase.h \
 	include/vkd3d_windows.h
 
+vkd3d_tests = \
+	tests/d3d12
+
 BUILT_SOURCES = $(widl_headers)
 CLEANFILES = $(widl_headers)
 
@@ -26,6 +29,11 @@ pkgconfigdir = $(libdir)/pkgconfig
 pkginclude_HEADERS = $(vkd3d_public_headers)
 nodist_pkgconfig_DATA = libvkd3d.pc
 
+LDADD = libvkd3d.la
+check_PROGRAMS =  $(vkd3d_tests)
+AM_DEFAULT_SOURCE_EXT = .c
+TESTS = $(vkd3d_tests)
+
 $(widl_headers): %.h: %.idl
 	$(WIDL) -o $@ $<
 
diff --git a/include/private/vkd3d_test.h b/include/private/vkd3d_test.h
new file mode 100644
index 00000000..bb78e31f
--- /dev/null
+++ b/include/private/vkd3d_test.h
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2016 Józef Kucia for CodeWeavers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __VKD3D_TEST_H
+#define __VKD3D_TEST_H
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static void vkd3d_test_main(void);
+static const char *vkd3d_test_name;
+
+#define START_TEST(name) static const char *vkd3d_test_name = #name; \
+        static void vkd3d_test_main(void)
+
+#ifdef __GNUC__
+# define VKD3D_PRINTF_FUNC(fmt, args) __attribute__((format(printf, fmt, args)))
+# define VKD3D_UNUSED __attribute__((unused))
+#else
+# define VKD3D_PRINTF_FUNC(fmt, args)
+# define VKD3D_UNUSED
+#endif  /* __GNUC__ */
+
+
+#define ok ok_(__LINE__)
+#define skip skip_(__LINE__)
+#define trace trace_(__LINE__)
+
+#define ok_(line) \
+    do { \
+    unsigned int __line = line; \
+    VKD3D_TEST_OK
+
+#define VKD3D_TEST_OK(args...) \
+    vkd3d_test_ok(__line, args); } while (0)
+
+#define skip_(line) \
+    do { \
+    unsigned int __line = line; \
+    VKD3D_TEST_SKIP
+
+#define VKD3D_TEST_SKIP(args...) \
+    vkd3d_test_skip(__line, args); } while (0)
+
+#define trace_(line) \
+    do { \
+    unsigned int __line = line; \
+    VKD3D_TEST_TRACE
+
+#define VKD3D_TEST_TRACE(args...) \
+    vkd3d_test_trace(__line, args); } while (0)
+
+static struct
+{
+    unsigned int success_count;
+    unsigned int failure_count;
+    unsigned int skip_count;
+} vkd3d_test_state;
+
+static void vkd3d_test_ok(unsigned int line,
+        int result, const char *fmt, ...) VKD3D_PRINTF_FUNC(3, 4) VKD3D_UNUSED;
+static void vkd3d_test_skip(unsigned int line,
+        const char *fmt, ...) VKD3D_PRINTF_FUNC(2, 3) VKD3D_UNUSED;
+static void vkd3d_test_trace(unsigned int line,
+        const char *fmt, ...) VKD3D_PRINTF_FUNC(2, 3) VKD3D_UNUSED;
+
+static void vkd3d_test_ok(unsigned int line, int result, const char *fmt, ...)
+{
+    if (result)
+    {
+        printf("%s:%d: Test succeeded.\n", vkd3d_test_name, line);
+        ++vkd3d_test_state.success_count;
+    }
+    else
+    {
+        va_list args;
+        va_start(args, fmt);
+        printf("%s:%d: Test failed: ", vkd3d_test_name, line);
+        vprintf(fmt, args);
+        va_end(args);
+        ++vkd3d_test_state.failure_count;
+    }
+}
+
+static void vkd3d_test_skip(unsigned int line, const char *fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+    printf("%s:%d: Test skipped: ", vkd3d_test_name, line);
+    vprintf(fmt, args);
+    va_end(args);
+    ++vkd3d_test_state.skip_count;
+}
+
+static void vkd3d_test_trace(unsigned int line, const char *fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+    printf("%s:%d: ", vkd3d_test_name, line);
+    vprintf(fmt, args);
+    va_end(args);
+}
+
+int main(int argc, char **argv)
+{
+    memset(&vkd3d_test_state, 0, sizeof(vkd3d_test_state));
+
+    vkd3d_test_main();
+
+    printf("%s: %u tests executed (%u failures, %u skipped).\n",
+            vkd3d_test_name,
+            vkd3d_test_state.success_count + vkd3d_test_state.failure_count,
+            vkd3d_test_state.failure_count, vkd3d_test_state.skip_count);
+
+    return !!vkd3d_test_state.failure_count;
+}
+
+#endif  /* __VKD3D_TEST__H */
diff --git a/tests/.gitignore b/tests/.gitignore
new file mode 100644
index 00000000..2ea34ba2
--- /dev/null
+++ b/tests/.gitignore
@@ -0,0 +1 @@
+d3d12
diff --git a/tests/d3d12.c b/tests/d3d12.c
new file mode 100644
index 00000000..3e00a1ab
--- /dev/null
+++ b/tests/d3d12.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2016 Józef Kucia for CodeWeavers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#define INITGUID
+#include "vkd3d_test.h"
+#include "vkd3d_windows.h"
+
+/* Hack for MinGW-w64 headers.
+ *
+ * We want to use WIDL C inline wrappers because some methods
+ * in D3D12 interfaces return aggregate objects. Unfortunately,
+ * WIDL C inline wrappers are broken when used with MinGW-w64
+ * headers because FORCEINLINE expands to extern inline
+ * which leads to the "multiple storage classes in declaration
+ * specifiers" compiler error.
+ */
+#ifdef __MINGW32__
+#include <_mingw.h>
+# ifdef __MINGW64_VERSION_MAJOR
+#  undef __forceinline
+#  define __forceinline __inline__ __attribute__((__always_inline__,__gnu_inline__))
+# endif
+#endif
+
+#define COBJMACROS
+#define WIDL_C_INLINE_WRAPPERS
+#include "d3d12.h"
+
+#define check_interface(a, b, c) check_interface_(__LINE__, (IUnknown *)a, b, c)
+static void check_interface_(unsigned int line, IUnknown *iface, REFIID riid, BOOL supported)
+{
+    HRESULT hr, expected_hr;
+    IUnknown *unk;
+
+    expected_hr = supported ? S_OK : E_NOINTERFACE;
+
+    hr = IUnknown_QueryInterface(iface, riid, (void **)&unk);
+    ok_(line)(hr == expected_hr, "Got hr %#x, expected %#x.\n", hr, expected_hr);
+    if (SUCCEEDED(hr))
+        IUnknown_Release(unk);
+}
+
+static ID3D12Device *create_device(void)
+{
+    ID3D12Device *device;
+    HRESULT hr;
+
+    if (FAILED(hr = D3D12CreateDevice(NULL, D3D_FEATURE_LEVEL_11_0, &IID_ID3D12Device, (void **)&device)))
+        return NULL;
+
+    return device;
+}
+
+static void test_create_device(void)
+{
+    ID3D12Device *device;
+    ULONG refcount;
+    HRESULT hr;
+
+    if (!(device = create_device()))
+    {
+        skip("Failed to create device.\n");
+        return;
+    }
+
+    check_interface(device, &IID_ID3D12Object, TRUE);
+    check_interface(device, &IID_ID3D12DeviceChild, FALSE);
+    check_interface(device, &IID_ID3D12Pageable, FALSE);
+    check_interface(device, &IID_ID3D12Device, TRUE);
+
+    refcount = ID3D12Device_Release(device);
+    ok(!refcount, "ID3D12Device has %u references left.\n", refcount);
+
+    hr = D3D12CreateDevice(NULL, D3D_FEATURE_LEVEL_11_0, &IID_ID3D12Device, (void **)&device);
+    ok(hr == S_OK, "D3D12CreateDevice failed, hr %#x.\n", hr);
+    ID3D12Device_Release(device);
+
+    hr = D3D12CreateDevice(NULL, D3D_FEATURE_LEVEL_9_1, &IID_ID3D12Device, (void **)&device);
+    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);
+    hr = D3D12CreateDevice(NULL, D3D_FEATURE_LEVEL_9_2, &IID_ID3D12Device, (void **)&device);
+    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);
+    hr = D3D12CreateDevice(NULL, D3D_FEATURE_LEVEL_9_3, &IID_ID3D12Device, (void **)&device);
+    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);
+    hr = D3D12CreateDevice(NULL, D3D_FEATURE_LEVEL_10_0, &IID_ID3D12Device, (void **)&device);
+    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);
+    hr = D3D12CreateDevice(NULL, D3D_FEATURE_LEVEL_10_1, &IID_ID3D12Device, (void **)&device);
+    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);
+
+    hr = D3D12CreateDevice(NULL, 0, &IID_ID3D12Device, (void **)&device);
+    ok(hr == E_INVALIDARG, "D3D12CreateDevice failed, hr %#x.\n", hr);
+    hr = D3D12CreateDevice(NULL, ~0u, &IID_ID3D12Device, (void **)&device);
+    ok(hr == E_INVALIDARG, "D3D12CreateDevice failed, hr %#x.\n", hr);
+}
+
+START_TEST(d3d12)
+{
+    test_create_device();
+}