Repo created

libs/drape/drape_tests/memory_comparer.hpp

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+#pragma once
+
+#include "base/logging.hpp"
+#include "drape/gl_constants.hpp"
+#include "testing/testing.hpp"
+
+#include <cstring>
+
+namespace dp
+{
+struct MemoryComparer
+{
+  void * m_mem;
+  int m_size;
+
+  MemoryComparer(void * memory, int size) : m_mem(memory), m_size(size) {}
+  void cmpSubBuffer(glConst /*type*/, uint32_t size, void const * data, uint32_t /*offset*/) const
+  {
+    TEST_EQUAL(size, static_cast<uint32_t>(m_size), ());
+    TEST_EQUAL(memcmp(m_mem, data, size), 0, ());
+  }
+
+  void cmpSubImage(uint32_t /*x*/, uint32_t /*y*/, uint32_t width, uint32_t height, glConst layout, glConst pixelFormat,
+                   void const * data) const
+  {
+    uint32_t channelCount = 0;
+    if (layout == gl_const::GLRGBA || layout == gl_const::GLRGBA8 || layout == gl_const::GLRGBA4)
+      channelCount = 4;
+    else if (layout == gl_const::GLRGB)
+      channelCount = 3;
+    else if (layout == gl_const::GLAlpha || layout == gl_const::GLAlpha8 || layout == gl_const::GLLuminance ||
+             layout == gl_const::GLLuminance8 || layout == gl_const::GLAlphaLuminance || layout == gl_const::GLRed)
+    {
+      channelCount = 1;
+    }
+    else
+      ASSERT(false, ());
+
+    ASSERT(gl_const::GL8BitOnChannel == pixelFormat, ());
+
+    TEST_EQUAL(static_cast<uint32_t>(m_size), width * height * channelCount, ());
+    uint8_t * member = (uint8_t *)m_mem;
+    uint8_t * input = (uint8_t *)data;
+
+    for (int i = 0; i < m_size; ++i)
+      TEST_EQUAL(member[i], input[i], (i));
+  }
+};
+}  // namespace dp