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rstudio/src/cpp/core/StringUtilsTests.cpp at master · andschar/rstudio · GitHub
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StringUtilsTests.cpp
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/*
* StringUtils.cpp
*
* Copyright (C) 2009-12 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
#
include
<
tests/TestThat.hpp
>
#
include
<
core/Algorithm.hpp
>
#
include
<
core/StringUtils.hpp
>
namespace
rstudio
{
namespace
core
{
namespace
string_utils
{
using
namespace
algorithm
;
context
(
"
String splitting
"
)
{
test_that
(
"
Strings can be split on NUL bytes
"
)
{
std::string
text
(
"
a
\0
b
\0
c
"
,
5
);
std::string
delim
(
"
\0
"
,
1
);
std::vector<std::string> splat =
split
(text, delim);
expect_true
(splat.
size
() ==
3
);
expect_true
(splat[
0
] ==
"
a
"
);
expect_true
(splat[
1
] ==
"
b
"
);
expect_true
(splat[
2
] ==
"
c
"
);
}
test_that
(
"
raw delimiters containing null bytes can be split
"
)
{
std::string
text
(
"
a
\0
b
\0
c
"
,
5
);
std::vector<std::string> splat =
split
(text,
"
\0
"
);
expect_true
(splat.
size
() ==
3
);
expect_true
(splat[
0
] ==
"
a
"
);
expect_true
(splat[
1
] ==
"
b
"
);
expect_true
(splat[
2
] ==
"
c
"
);
}
}
context
(
"
isSubsequence
"
)
{
test_that
(
"
isSubsequence works
"
)
{
expect_true
(
isSubsequence
(
"
"
,
"
"
));
expect_true
(
isSubsequence
(
"
annnbnnnc
"
,
"
abc
"
));
expect_false
(
isSubsequence
(
"
abcdef
"
,
"
abdcef
"
));
expect_true
(
isSubsequence
(
"
abcdef
"
,
"
AeF
"
,
true
));
expect_true
(
isSubsequence
(
"
a1d2
"
,
"
12
"
));
}
test_that
(
"
strippedOfBackQuotes works
"
)
{
std::string string =
"
`abc`
"
;
std::string stripped =
strippedOfBackQuotes
(string);
expect_true
(stripped ==
"
abc
"
);
expect_true
(
strippedOfBackQuotes
(
"
abc
"
) ==
"
abc
"
);
}
test_that
(
"
substring works
"
)
{
std::string
string
(
"
abc
"
);
expect_true
(
substring
(string,
2
,
5
) ==
"
abc
"
);
}
test_that
(
"
trimWhitespace works
"
)
{
std::string
string
(
"
abc
"
);
expect_true
(
trimWhitespace
(string) ==
"
abc
"
);
expect_true
(
trimWhitespace
(
"
abc
"
) ==
"
abc
"
);
expect_true
(
trimWhitespace
(
"
"
) ==
"
"
);
}
test_that
(
"
countNewLines works with empty string
"
)
{
std::string
str
(
"
"
);
expect_true
(
countNewlines
(str) ==
0
);
}
test_that
(
"
countNewLines works with line feed
"
)
{
std::string
str
(
"
\n\n\n
"
);
expect_true
(
countNewlines
(str) ==
3
);
}
test_that
(
"
countNewLines works with carriage return/line feed
"
)
{
std::string
str
(
"
\r\n\r\n
"
);
expect_true
(
countNewlines
(str) ==
2
);
}
}
}
//
end namespace string_utils
}
//
end namespace core
}
//
end namespace rstudio
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