Expression breaker.

1 files changed, 97 insertions, 0 deletions

diff --git a/test/libdevcore/IterateReplacing.cpp b/test/libdevcore/IterateReplacing.cpp
new file mode 100644
index 00000000..08cd1e22
--- /dev/null
+++ b/test/libdevcore/IterateReplacing.cpp
@@ -0,0 +1,97 @@
+/*
+	This file is part of solidity.
+
+	solidity 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.
+
+	solidity 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 solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * Unit tests for the iterateReplacing function
+ */
+
+#include <libdevcore/CommonData.h>
+
+#include <test/Options.h>
+
+using namespace std;
+
+namespace dev
+{
+namespace test
+{
+
+BOOST_AUTO_TEST_SUITE(IterateReplacing)
+
+BOOST_AUTO_TEST_CASE(no_replacement)
+{
+	vector<string> v{"abc", "def", "ghi"};
+	function<boost::optional<vector<string>>(string&)> f = [](string&) -> boost::optional<vector<string>> { return {}; };
+	iterateReplacing(v, f);
+	vector<string> expectation{"abc", "def", "ghi"};
+	BOOST_CHECK(v == expectation);
+}
+
+BOOST_AUTO_TEST_CASE(empty_input)
+{
+	vector<string> v;
+	function<boost::optional<vector<string>>(string&)> f = [](string&) -> boost::optional<vector<string>> { return {}; };
+	iterateReplacing(v, f);
+	vector<string> expectation;
+	BOOST_CHECK(v == expectation);
+}
+
+BOOST_AUTO_TEST_CASE(delete_some)
+{
+	vector<string> v{"abc", "def", "ghi"};
+	function<boost::optional<vector<string>>(string&)> f = [](string& _s) -> boost::optional<vector<string>> {
+		if (_s == "def")
+			return vector<string>();
+		else
+			return {};
+	};
+	iterateReplacing(v, f);
+	vector<string> expectation{"abc", "ghi"};
+	BOOST_CHECK(v == expectation);
+}
+
+BOOST_AUTO_TEST_CASE(inject_some_start)
+{
+	vector<string> v{"abc", "def", "ghi"};
+	function<boost::optional<vector<string>>(string&)> f = [](string& _s) -> boost::optional<vector<string>> {
+		if (_s == "abc")
+			return vector<string>{"x", "y"};
+		else
+			return {};
+	};
+	iterateReplacing(v, f);
+	vector<string> expectation{"x", "y", "def", "ghi"};
+	BOOST_CHECK(v == expectation);
+}
+
+BOOST_AUTO_TEST_CASE(inject_some_end)
+{
+	vector<string> v{"abc", "def", "ghi"};
+	function<boost::optional<vector<string>>(string&)> f = [](string& _s) -> boost::optional<vector<string>> {
+		if (_s == "ghi")
+			return vector<string>{"x", "y"};
+		else
+			return {};
+	};
+	iterateReplacing(v, f);
+	vector<string> expectation{"abc", "def", "x", "y"};
+	BOOST_CHECK(v == expectation);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}