* apt-pkg/contrib/strutl.{h,cc}, test/libapt/strutil_test.cc:

  - add new DeEscapeString() similar to DeQuoteQuotedWord but
    unescape charackter escapes like \0XXX and \xXX (plus add test)

1 files changed, 40 insertions, 0 deletions

diff --git a/test/libapt/strutil_test.cc b/test/libapt/strutil_test.cc
new file mode 100644
index 000000000..8d81a0c6c
--- /dev/null
+++ b/test/libapt/strutil_test.cc
@@ -0,0 +1,40 @@
+#include <apt-pkg/strutl.h>
+
+#include "assert.h"
+
+int main(int argc,char *argv[])
+{
+   string input, output, expected;
+
+   // no input
+   input = "foobar";
+   expected = "foobar";
+   output = DeEscapeString(input);
+   equals(output, expected);
+
+   // hex and octal
+   input = "foo\\040bar\\x0abaz";
+   expected = "foo bar\nbaz";
+   output = DeEscapeString(input);
+   equals(output, expected);
+
+   // at the end
+   input = "foo\\040";
+   expected = "foo ";
+   output = DeEscapeString(input);
+   equals(output, expected);
+
+   // double escape
+   input = "foo\\\\ x";
+   expected = "foo\\ x";
+   output = DeEscapeString(input);
+   equals(output, expected);
+
+   // double escape at the end
+   input = "\\\\foo\\\\";
+   expected = "\\foo\\";
+   output = DeEscapeString(input);
+   equals(output, expected);
+
+   return 0;
+}