added first unit test for the Buffer class

1 files changed, 98 insertions, 0 deletions

diff --git a/test/core/utils/CharReaderTest.cpp b/test/core/utils/CharReaderTest.cpp
new file mode 100644
index 0000000..ef022a9
--- /dev/null
+++ b/test/core/utils/CharReaderTest.cpp
@@ -0,0 +1,98 @@
+/*
+    Ousía
+    Copyright (C) 2014, 2015  Benjamin Paaßen, Andreas Stöckel
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <string>
+#include <iostream>
+
+#include "gtest/gtest.h"
+
+#include <core/utils/CharReader.hpp>
+
+namespace ousia {
+namespace utils {
+
+TEST(Buffer, simpleRead)
+{
+	std::string testStr{"this is a test"};
+
+	// Create buffer with the test string
+	char c;
+	Buffer buf{testStr};
+
+	// Create a read cursor
+	Buffer::CursorId cursor = buf.createCursor();
+
+	// We're not at the end of the stream
+	ASSERT_FALSE(buf.atEnd(cursor));
+
+	// Try to read the test string
+	std::string res;
+	while (buf.read(cursor, c)) {
+		res.append(&c, 1);
+	}
+
+	// The cursor must be at the end
+	ASSERT_TRUE(buf.atEnd(cursor));
+
+	// The two strings must equal
+	ASSERT_STREQ(testStr.c_str(), res.c_str());
+}
+
+TEST(Buffer, twoCursors)
+{
+	std::string testStr{"this is a test"};
+
+	// Create buffer with the test string
+	char c;
+	Buffer buf{testStr};
+
+	// Create two read cursors
+	Buffer::CursorId cur1 = buf.createCursor();
+	Buffer::CursorId cur2 = buf.createCursor();
+
+	ASSERT_FALSE(buf.atEnd(cur1));
+	ASSERT_FALSE(buf.atEnd(cur2));
+
+	// Try to read the test string with the first cursor
+	std::string res1;
+	while (buf.read(cur1, c)) {
+		res1.append(&c, 1);
+	}
+
+	// The first cursor must be at the end
+	ASSERT_TRUE(buf.atEnd(cur1));
+	ASSERT_FALSE(buf.atEnd(cur2));
+
+	// Try to read the test string with the second cursor
+	std::string res2;
+	while (buf.read(cur2, c)) {
+		res2.append(&c, 1);
+	}
+
+	// The first cursor must be at the end
+	ASSERT_TRUE(buf.atEnd(cur1));
+	ASSERT_TRUE(buf.atEnd(cur2));
+
+	// The two strings must equal
+	ASSERT_EQ(testStr, res1);
+	ASSERT_EQ(testStr, res2);
+}
+
+}
+}
+