1 files changed, 91 insertions, 0 deletions
diff --git a/testsuite/backend/genesys/tests_row_buffer.cpp b/testsuite/backend/genesys/tests_row_buffer.cpp
new file mode 100644
index 0000000..73ca86c
--- /dev/null
+++ b/testsuite/backend/genesys/tests_row_buffer.cpp
@@ -0,0 +1,91 @@
+/* sane - Scanner Access Now Easy.
+
+   Copyright (C) 2019 Povilas Kanapickas <povilas@radix.lt>
+
+   This file is part of the SANE package.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.
+*/
+
+#define DEBUG_DECLARE_ONLY
+
+#include "tests.h"
+#include "minigtest.h"
+#include "tests_printers.h"
+
+#include "../../../backend/genesys/low.h"
+
+#include <numeric>
+
+namespace genesys {
+
+void test_row_buffer_push_pop_forward(unsigned size)
+{
+    RowBuffer buf{1};
+
+    ASSERT_TRUE(buf.empty());
+    for (unsigned i = 0; i < size; i++) {
+        buf.push_back();
+        *buf.get_back_row_ptr() = i;
+        for (unsigned j = 0; j < i + 1; j++) {
+            ASSERT_EQ(*buf.get_row_ptr(j), j);
+        }
+    }
+    ASSERT_FALSE(buf.empty());
+
+    for (unsigned i = 0; i < 10; i++) {
+        ASSERT_EQ(buf.height(), size);
+        ASSERT_EQ(static_cast<unsigned>(*buf.get_front_row_ptr()), i);
+        buf.pop_front();
+        ASSERT_EQ(buf.height(), size - 1);
+        buf.push_back();
+        *buf.get_back_row_ptr() = i + size;
+    }
+}
+
+void test_row_buffer_push_pop_backward(unsigned size)
+{
+    RowBuffer buf{1};
+
+    ASSERT_TRUE(buf.empty());
+    for (unsigned i = 0; i < size; i++) {
+        buf.push_front();
+        *buf.get_front_row_ptr() = i;
+        for (unsigned j = 0; j < i + 1; j++) {
+            ASSERT_EQ(*buf.get_row_ptr(j), i - j);
+        }
+    }
+    ASSERT_FALSE(buf.empty());
+
+    for (unsigned i = 0; i < 10; i++) {
+        ASSERT_EQ(buf.height(), size);
+        ASSERT_EQ(static_cast<unsigned>(*buf.get_back_row_ptr()), i);
+        buf.pop_back();
+        ASSERT_EQ(buf.height(), size - 1);
+        buf.push_front();
+        *buf.get_front_row_ptr() = i + size;
+    }
+}
+
+void test_row_buffer()
+{
+    for (unsigned size = 1; size < 5; ++size) {
+        test_row_buffer_push_pop_forward(size);
+        test_row_buffer_push_pop_backward(size);
+    }
+}
+
+} // namespace genesys