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174b4bf2ee2b59cb4bd6affeb57dd6ccd1a7d255
Jungfraujoch/tests/ImageBufferTest.cpp
Filip Leonarski e2b240356c
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v1.0.0-rc.121 (#28) 
This is an UNSTABLE release.

* jfjoch_broker: Report changes in the image buffer, so viewer doesn't reload constantly
* jfjoch_viewer: Improve performance of loading images
* jfjoch_viewer: Auto-throttle image loading in HTTP-sync / movie modes
* jfjoch_viewer: Auto-foreground calculated with histogram
* jfjoch_viewer: Fix rare segmentation fault

Reviewed-on: #28
Co-authored-by: Filip Leonarski <filip.leonarski@psi.ch>
Co-committed-by: Filip Leonarski <filip.leonarski@psi.ch>
2025-12-12 21:24:20 +01:00

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// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#include <catch2/catch_all.hpp>
#include "../common/ImageBuffer.h"
TEST_CASE("ImageBuffer_Location size") {
ImageBuffer buf(2*1024*1024);
REQUIRE_THROWS(buf.StartMeasurement(4 * 1024 * 1024));
REQUIRE_NOTHROW(buf.StartMeasurement(1024 * 1024));
REQUIRE(buf.GetStatus().total_slots == 2);
REQUIRE(buf.GetStatus().available_slots == 2);
}
TEST_CASE("ImageBuffer") {
DiffractionExperiment experiment(DetJF(18,3,8,36));
ImageBuffer buf_ctrl(4*experiment.GetImageBufferLocationSize());
buf_ctrl.StartMeasurement(experiment);
REQUIRE(buf_ctrl.GetAvailSlots() == 4);
ZeroCopyReturnValue *ret0 = buf_ctrl.GetImageSlot();
REQUIRE(ret0 != nullptr);
REQUIRE(buf_ctrl.GetAvailSlots() == 3);
ZeroCopyReturnValue *ret1 = buf_ctrl.GetImageSlot();
REQUIRE(ret1 != nullptr);
ZeroCopyReturnValue *ret2 = buf_ctrl.GetImageSlot();
REQUIRE(ret2 != nullptr);
ZeroCopyReturnValue *ret3 = buf_ctrl.GetImageSlot();
REQUIRE(ret3 != nullptr);
REQUIRE(buf_ctrl.GetAvailSlots() == 0);
ZeroCopyReturnValue *ret4 = buf_ctrl.GetImageSlot();
REQUIRE(ret4 == nullptr);
ret0->release();
ret1->release();
ret2->release();
ret3->release();
REQUIRE(buf_ctrl.GetAvailSlots() == 4);
REQUIRE(buf_ctrl.CheckIfBufferReturned(std::chrono::microseconds(1)));
}
TEST_CASE("ImageBuffer_Preview_Access") {
DiffractionExperiment experiment(DetJF(18,3,8,36));
ImageBuffer buf_ctrl(4*experiment.GetImageBufferLocationSize());
buf_ctrl.StartMeasurement(experiment);
REQUIRE(buf_ctrl.GetAvailSlots() == 4);
ZeroCopyReturnValue *ret0 = buf_ctrl.GetImageSlot();
REQUIRE(ret0 != nullptr);
ret0->SetImageNumber(0);
ret0->release();
ZeroCopyReturnValue *ret1 = buf_ctrl.GetImageSlot();
REQUIRE(ret1 != nullptr);
ret1->SetImageNumber(1);
ret1->release();
ZeroCopyReturnValue *ret2 = buf_ctrl.GetImageSlot();
REQUIRE(ret2 != nullptr);
ret2->SetImageNumber(2);
ret2->SetImageSize(3456);
ret2->SetIndexed(true);
ret2->release();
ZeroCopyReturnValue *ret3 = buf_ctrl.GetImageSlot();
REQUIRE(ret3 != nullptr);
ret3->SetImageNumber(15);
ret3->SetImageSize(1234);
ret3->SetIndexed(false);
ret3->release();
REQUIRE(buf_ctrl.GetAvailSlots() == 4);
auto v = buf_ctrl.GetStatus().images_in_the_buffer;
REQUIRE(v.size() == 4);
REQUIRE(v[0] == 0);
REQUIRE(v[3] == 15);
std::vector<uint8_t> image_2, image_2_2, image_12, image_max, image_max_indexed;
REQUIRE(buf_ctrl.GetImage(image_2, 2));
REQUIRE(image_2.size() == 3456);
REQUIRE(!buf_ctrl.GetImage(image_12, 12));
REQUIRE(buf_ctrl.Finalize(std::chrono::microseconds(1)));
// After finalize was run, there should be no preview
REQUIRE(!buf_ctrl.GetImage(image_2_2, 2));
}
TEST_CASE("ImageBuffer_Counter") {
DiffractionExperiment experiment(DetJF(18,3,8,36));
ImageBuffer buf_ctrl(4*experiment.GetImageBufferLocationSize());
auto cnt_1 = buf_ctrl.GetStatus().current_counter;
buf_ctrl.StartMeasurement(experiment);
auto cnt_2 = buf_ctrl.GetStatus().current_counter;
ZeroCopyReturnValue *ret0 = buf_ctrl.GetImageSlot();
REQUIRE(ret0 != nullptr);
ret0->SetImageNumber(0);
ret0->release();
auto cnt_3 = buf_ctrl.GetStatus().current_counter;
ZeroCopyReturnValue *ret1 = buf_ctrl.GetImageSlot();
REQUIRE(ret1 != nullptr);
ret1->SetImageNumber(1);
ret1->release();
auto cnt_4 = buf_ctrl.GetStatus().current_counter;
REQUIRE(buf_ctrl.Finalize(std::chrono::microseconds(1)));
auto cnt_5 = buf_ctrl.GetStatus().current_counter;
CHECK(cnt_1 != cnt_2);
CHECK(cnt_1 != cnt_3);
CHECK(cnt_1 != cnt_4);
CHECK(cnt_1 != cnt_5);
CHECK(cnt_2 != cnt_3);
CHECK(cnt_2 != cnt_4);
CHECK(cnt_2 != cnt_5);
CHECK(cnt_3 != cnt_4);
CHECK(cnt_3 != cnt_5);
CHECK(cnt_4 != cnt_5);
}
TEST_CASE("ImageBuffer_Preview_Access_GetImage_MaxImage") {
DiffractionExperiment experiment(DetJF(18,3,8,36));
ImageBuffer buf_ctrl(4*experiment.GetImageBufferLocationSize());
buf_ctrl.StartMeasurement(experiment);
REQUIRE(buf_ctrl.GetAvailSlots() == 4);
ZeroCopyReturnValue *ret0 = buf_ctrl.GetImageSlot();
REQUIRE(ret0 != nullptr);
ret0->SetImageNumber(0);
ret0->release();
ZeroCopyReturnValue *ret1 = buf_ctrl.GetImageSlot();
REQUIRE(ret1 != nullptr);
ret1->SetImageNumber(1);
ret1->release();
ZeroCopyReturnValue *ret2 = buf_ctrl.GetImageSlot();
REQUIRE(ret2 != nullptr);
ret2->SetImageNumber(2);
ret2->SetImageSize(3456);
ret2->SetIndexed(true);
ret2->release();
ZeroCopyReturnValue *ret3 = buf_ctrl.GetImageSlot();
REQUIRE(ret3 != nullptr);
ret3->SetImageNumber(15);
ret3->SetImageSize(1234);
ret3->SetIndexed(false);
ret3->release();
std::vector<uint8_t> image_max, image_max_indexed;
REQUIRE(buf_ctrl.GetImage(image_max, ImageBuffer::MaxImage));
REQUIRE(image_max.size() == 1234);
REQUIRE(buf_ctrl.GetImage(image_max_indexed, ImageBuffer::MaxIndexedImage));
REQUIRE(image_max_indexed.size() == 3456);
REQUIRE(buf_ctrl.Finalize(std::chrono::microseconds(1)));
}
TEST_CASE("ImageBuffer_Restart") {
DiffractionExperiment experiment(DetJF(18,3,8,36));
ImageBuffer buf_ctrl(4*experiment.GetImageBufferLocationSize());
buf_ctrl.StartMeasurement(experiment);
ZeroCopyReturnValue *ret0 = buf_ctrl.GetImageSlot();
REQUIRE(ret0 != nullptr);
ret0->SetImageNumber(0);
ret0->release();
REQUIRE(buf_ctrl.GetStatus().images_in_the_buffer.size() == 1);
// Restart measurement
REQUIRE_NOTHROW(buf_ctrl.StartMeasurement(experiment));
REQUIRE(buf_ctrl.GetAvailSlots() == 4);
REQUIRE(buf_ctrl.GetStatus().images_in_the_buffer.empty());
ret0 = buf_ctrl.GetImageSlot();
REQUIRE(ret0 != nullptr);
ret0->SetImageNumber(0);
ret0->release();
REQUIRE_NOTHROW(buf_ctrl.StartMeasurement(experiment));
}
TEST_CASE("ImageBuffer_BuffersNotReturned") {
DiffractionExperiment experiment(DetJF(18,3,8,36));
ImageBuffer buf_ctrl(4*experiment.GetImageBufferLocationSize());
buf_ctrl.StartMeasurement(experiment);
REQUIRE(buf_ctrl.GetAvailSlots() == 4);
ZeroCopyReturnValue *ret0 = buf_ctrl.GetImageSlot();
REQUIRE(ret0 != nullptr);
REQUIRE(buf_ctrl.GetAvailSlots() == 3);
REQUIRE(!buf_ctrl.CheckIfBufferReturned(std::chrono::microseconds(1)));
}
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