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+/*
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+ * Copyright (C) 2020 Embedded AMS B.V. - All Rights Reserved
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+ *
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+ * This file is part of Embedded Proto.
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+ *
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+ * Embedded Proto is open source software: you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License as published
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+ * by the Free Software Foundation, version 3 of the license.
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+ *
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+ * Embedded Proto is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with Embedded Proto. If not, see <https://www.gnu.org/licenses/>.
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+ *
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+ * For commercial and closed source application please visit:
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+ * <https://EmbeddedProto.com/license/>.
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+ *
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+ * Embedded AMS B.V.
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+ * Info:
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+ * info at EmbeddedProto dot com
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+ *
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+ * Postal address:
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+ * Johan Huizingalaan 763a
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+ * 1066 VH, Amsterdam
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+ * the Netherlands
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+ */
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+
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+#include <gtest/gtest.h>
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+
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+#include <ReadBufferSection.h>
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+
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+#include "mock/ReadBufferMock.h"
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+
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+using ::testing::_;
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+using ::testing::InSequence;
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+using ::testing::Return;
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+using ::testing::SetArgReferee;
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+
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+
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+namespace test_EmbeddedAMS_ReadBufferSection
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+{
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+
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+TEST(ReadBufferSection, construction)
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+{
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+ Mocks::ReadBufferMock read_buffer_mock;
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+ EXPECT_CALL(read_buffer_mock, get_size()).WillRepeatedly(Return(99));
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+
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+ EmbeddedProto::ReadBufferSection read_buffer_section(read_buffer_mock, 1);
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+ EXPECT_EQ(1, read_buffer_section.get_max_size());
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+ EXPECT_EQ(1, read_buffer_section.get_size());
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+}
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+
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+TEST(ReadBufferSection, construction_limited)
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+{
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+ Mocks::ReadBufferMock read_buffer_mock;
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+ EXPECT_CALL(read_buffer_mock, get_size()).WillRepeatedly(Return(1));
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+
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+ EmbeddedProto::ReadBufferSection read_buffer_section(read_buffer_mock, 2);
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+ EXPECT_EQ(1, read_buffer_section.get_max_size());
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+ EXPECT_EQ(1, read_buffer_section.get_size());
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+}
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+
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+TEST(ReadBufferSection, peek)
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+{
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+ Mocks::ReadBufferMock read_buffer_mock;
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+ EXPECT_CALL(read_buffer_mock, get_size()).WillRepeatedly(Return(1));
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+ EXPECT_CALL(read_buffer_mock, peak(_)).WillOnce(DoAll(SetArgReferee<0>(1), Return(true)));
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+
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+ EmbeddedProto::ReadBufferSection read_buffer_section(read_buffer_mock, 1);
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+
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+ uint8_t byte = 0;
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+ EXPECT_TRUE(read_buffer_section.peak(byte));
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+ EXPECT_EQ(1, byte);
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+}
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+
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+TEST(ReadBufferSection, advance)
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+{
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+ InSequence s;
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+
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+ Mocks::ReadBufferMock read_buffer_mock;
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+ EXPECT_CALL(read_buffer_mock, get_size()).Times(2).WillRepeatedly(Return(3));
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+ EXPECT_CALL(read_buffer_mock, advance());
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+ EXPECT_CALL(read_buffer_mock, advance());
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+
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+ EmbeddedProto::ReadBufferSection read_buffer_section(read_buffer_mock, 2);
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+ EXPECT_EQ(2, read_buffer_section.get_max_size());
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+ EXPECT_EQ(2, read_buffer_section.get_size());
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+
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+ read_buffer_section.advance();
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+ EXPECT_EQ(1, read_buffer_section.get_size());
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+
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+ read_buffer_section.advance();
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+ EXPECT_EQ(0, read_buffer_section.get_size());
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+
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+ // One more advance should still be zero.
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+ read_buffer_section.advance();
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+ EXPECT_EQ(0, read_buffer_section.get_size());
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+
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+}
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+
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+TEST(ReadBufferSection, advance_n)
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+{
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+ InSequence s;
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+
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+ Mocks::ReadBufferMock read_buffer_mock;
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+ EXPECT_CALL(read_buffer_mock, get_size()).Times(2).WillRepeatedly(Return(3));
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+ EXPECT_CALL(read_buffer_mock, advance(2));
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+ EXPECT_CALL(read_buffer_mock, advance(1));
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+
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+ EmbeddedProto::ReadBufferSection read_buffer_section(read_buffer_mock, 3);
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+ EXPECT_EQ(3, read_buffer_section.get_max_size());
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+ EXPECT_EQ(3, read_buffer_section.get_size());
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+
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+ read_buffer_section.advance(2);
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+ EXPECT_EQ(1, read_buffer_section.get_size());
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+
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+ // We should not advance beond the max size.
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+ read_buffer_section.advance(2);
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+ EXPECT_EQ(0, read_buffer_section.get_size());
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+}
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+
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+TEST(ReadBufferSection, pop)
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+{
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+ Mocks::ReadBufferMock read_buffer_mock;
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+ EXPECT_CALL(read_buffer_mock, get_size()).WillRepeatedly(Return(1));
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+ EXPECT_CALL(read_buffer_mock, pop(_)).WillOnce(DoAll(SetArgReferee<0>(1), Return(true)));
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+
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+ EmbeddedProto::ReadBufferSection read_buffer_section(read_buffer_mock, 1);
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+
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+ uint8_t byte = 0;
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+ EXPECT_TRUE(read_buffer_section.pop(byte));
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+ EXPECT_EQ(1, byte);
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+ EXPECT_EQ(0, read_buffer_section.get_size());
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+
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+ // When attempting to read or peak at more we should not change byte and get a false.
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+ byte = 0;
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+ EXPECT_FALSE(read_buffer_section.pop(byte));
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+ EXPECT_EQ(0, byte);
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+ EXPECT_EQ(0, read_buffer_section.get_size());
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+ EXPECT_FALSE(read_buffer_section.peak(byte));
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+ EXPECT_EQ(0, byte);
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+}
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+
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+} // End of namespace ReadBufferSection
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