Add initial version

[src/drm-lease-manager.git] / drm-lease-manager / test / test-drm-device.c

diff --git a/drm-lease-manager/test/test-drm-device.c b/drm-lease-manager/test/test-drm-device.c
new file mode 100644 (file)
index 0000000..844599a
--- /dev/null
+++ b/drm-lease-manager/test/test-drm-device.c
@@ -0,0 +1,122 @@
+/* Copyright 2020-2021 IGEL Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <check.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <xf86drmMode.h>
+
+#include "test-drm-device.h"
+#define UNUSED(x) (void)(x)
+
+/* Set the base value for IDs of each resource type.
+ * These can be adjusted if test cases need more IDs. */
+#define IDS_PER_RES_TYPE 32
+
+#define CRTC_BASE (IDS_PER_RES_TYPE)
+#define CONNECTOR_BASE (CRTC_BASE + IDS_PER_RES_TYPE)
+#define ENCODER_BASE (CONNECTOR_BASE + IDS_PER_RES_TYPE)
+#define PLANE_BASE (ENCODER_BASE + IDS_PER_RES_TYPE)
+#define LESSEE_ID_BASE (PLANE_BASE + IDS_PER_RES_TYPE)
+
+struct drm_device test_device;
+
+#define ALLOC_RESOURCE(res, container)                           \
+       do {                                                     \
+               if (res != 0) {                                  \
+                       test_device.container.res =              \
+                           malloc(sizeof(uint32_t) * res);      \
+                       if (!test_device.container.res)          \
+                               return false;                    \
+                       test_device.container.count_##res = res; \
+               }                                                \
+       } while (0)
+
+#define FILL_RESOURCE(res, RES, container)                     \
+       for (int i = 0; i < res; i++) {                        \
+               test_device.container.res[i] = RES##_BASE + i; \
+       }
+
+bool setup_drm_test_device(int crtcs, int connectors, int encoders, int planes)
+{
+       int lessee_ids = crtcs;
+       ALLOC_RESOURCE(crtcs, resources);
+       ALLOC_RESOURCE(connectors, resources);
+       ALLOC_RESOURCE(encoders, resources);
+       ALLOC_RESOURCE(planes, plane_resources);
+       ALLOC_RESOURCE(lessee_ids, leases);
+
+       FILL_RESOURCE(crtcs, CRTC, resources);
+       FILL_RESOURCE(connectors, CONNECTOR, resources);
+       FILL_RESOURCE(encoders, ENCODER, resources);
+       FILL_RESOURCE(planes, PLANE, plane_resources);
+       FILL_RESOURCE(lessee_ids, LESSEE_ID, leases);
+
+       return true;
+}
+
+void reset_drm_test_device(void)
+{
+       free(test_device.resources.crtcs);
+       free(test_device.resources.connectors);
+       free(test_device.resources.encoders);
+       free(test_device.plane_resources.planes);
+       free(test_device.leases.lessee_ids);
+       memset(&test_device, 0, sizeof(test_device));
+}
+
+void setup_test_device_layout(drmModeConnector *connectors,
+                             drmModeEncoder *encoders, drmModePlane *planes)
+{
+       test_device.layout.connectors = connectors;
+       test_device.layout.encoders = encoders;
+       test_device.layout.planes = planes;
+}
+
+#define GET_DRM_RESOURCE_FN(Res, res, RES, container)                       \
+       drmMode##Res##Ptr get_##res(int fd, uint32_t id)                    \
+       {                                                                   \
+               UNUSED(fd);                                                 \
+               if (id == 0)                                                \
+                       return NULL;                                        \
+               ck_assert_int_ge(id, RES##_BASE);                           \
+               ck_assert_int_lt(                                           \
+                   id, RES##_BASE + test_device.container.count_##res##s); \
+               return &test_device.layout.res##s[id - RES##_BASE];         \
+       }
+
+GET_DRM_RESOURCE_FN(Connector, connector, CONNECTOR, resources)
+GET_DRM_RESOURCE_FN(Encoder, encoder, ENCODER, resources)
+GET_DRM_RESOURCE_FN(Plane, plane, PLANE, plane_resources)
+
+int create_lease(int fd, const uint32_t *objects, int num_objects, int flags,
+                uint32_t *lessee_id)
+{
+       UNUSED(fd);
+       UNUSED(objects);
+       UNUSED(num_objects);
+       UNUSED(flags);
+
+       int lease_count = test_device.leases.count;
+       if (lease_count < test_device.leases.count_lessee_ids)
+               *lessee_id = test_device.leases.lessee_ids[lease_count];
+       else
+               *lessee_id = 0;
+
+       test_device.leases.count++;
+
+       return 0;
+}