summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--test/mapped-buffer.cpp114
-rw-r--r--test/meson.build1
2 files changed, 115 insertions, 0 deletions
diff --git a/test/mapped-buffer.cpp b/test/mapped-buffer.cpp
new file mode 100644
index 00000000..39d624cd
--- /dev/null
+++ b/test/mapped-buffer.cpp
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2020, Google Inc.
+ *
+ * libcamera internal MappedBuffer tests
+ */
+
+#include <iostream>
+
+#include "libcamera/internal/buffer.h"
+
+#include "camera_test.h"
+#include "test.h"
+
+using namespace std;
+
+namespace {
+
+class MappedBufferTest : public CameraTest, public Test
+{
+public:
+ MappedBufferTest()
+ : CameraTest("platform/vimc.0 Sensor B")
+ {
+ }
+
+protected:
+ int init() override
+ {
+ if (status_ != TestPass)
+ return status_;
+
+ config_ = camera_->generateConfiguration({ StreamRole::VideoRecording });
+ if (!config_ || config_->size() != 1) {
+ cout << "Failed to generate default configuration" << endl;
+ return TestFail;
+ }
+
+ allocator_ = new FrameBufferAllocator(camera_);
+
+ StreamConfiguration &cfg = config_->at(0);
+
+ if (camera_->acquire()) {
+ cout << "Failed to acquire the camera" << endl;
+ return TestFail;
+ }
+
+ if (camera_->configure(config_.get())) {
+ cout << "Failed to set default configuration" << endl;
+ return TestFail;
+ }
+
+ stream_ = cfg.stream();
+
+ int ret = allocator_->allocate(stream_);
+ if (ret < 0)
+ return TestFail;
+
+ return TestPass;
+ }
+
+ void cleanup() override
+ {
+ delete allocator_;
+ }
+
+ int run() override
+ {
+ const std::unique_ptr<FrameBuffer> &buffer = allocator_->buffers(stream_).front();
+ std::vector<MappedBuffer> maps;
+
+ MappedFrameBuffer map(buffer.get(), PROT_READ);
+ if (!map.isValid()) {
+ cout << "Failed to successfully map buffer" << endl;
+ return TestFail;
+ }
+
+ /* Make sure we can move it. */
+ maps.emplace_back(std::move(map));
+
+ /* But copying is prevented, it would cause double-unmap. */
+ // MappedFrameBuffer map_copy = map;
+
+ /* Local map should be invalid (after move). */
+ if (map.isValid()) {
+ cout << "Post-move map should not be valid" << endl;
+ return TestFail;
+ }
+
+ /* Test for multiple successful maps on the same buffer. */
+ MappedFrameBuffer write_map(buffer.get(), PROT_WRITE);
+ if (!write_map.isValid()) {
+ cout << "Failed to map write buffer" << endl;
+ return TestFail;
+ }
+
+ MappedFrameBuffer rw_map(buffer.get(), PROT_READ | PROT_WRITE);
+ if (!rw_map.isValid()) {
+ cout << "Failed to map RW buffer" << endl;
+ return TestFail;
+ }
+
+ return TestPass;
+ }
+
+private:
+ std::unique_ptr<CameraConfiguration> config_;
+ FrameBufferAllocator *allocator_;
+ Stream *stream_;
+};
+
+} /* namespace */
+
+TEST_REGISTER(MappedBufferTest);
diff --git a/test/meson.build b/test/meson.build
index 77518715..0a1d434e 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -31,6 +31,7 @@ internal_tests = [
['file', 'file.cpp'],
['file-descriptor', 'file-descriptor.cpp'],
['hotplug-cameras', 'hotplug-cameras.cpp'],
+ ['mapped-buffer', 'mapped-buffer.cpp'],
['message', 'message.cpp'],
['object', 'object.cpp'],
['object-delete', 'object-delete.cpp'],