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-rw-r--r--src/tests/data/charset.vec41
-rw-r--r--src/tests/test_utils.cpp124
2 files changed, 165 insertions, 0 deletions
diff --git a/src/tests/data/charset.vec b/src/tests/data/charset.vec
new file mode 100644
index 000000000..dd64ac6e3
--- /dev/null
+++ b/src/tests/data/charset.vec
@@ -0,0 +1,41 @@
+[UTF16-LATIN1]
+
+# Botan
+In = 0042006F00740061006E
+Out = 426F74616E
+
+# Heizölrückstoßabdämpfung
+In = 004800650069007A00F6006C007200FC0063006B00730074006F00DF00610062006400E4006D007000660075006E0067
+Out = 4865697AF66C72FC636B73746FDF616264E46D7066756E67
+
+# ÿ@Ðé¿ã!ð
+In = 00FF004000D000E900BF00E3002100F0
+Out = FF40D0E9BFE321F0
+
+[UTF8-LATIN1]
+
+# Botan
+In = 426F74616E
+Out = 426F74616E
+
+# Heizölrückstoßabdämpfung
+In = 4865697AC3B66C72C3BC636B73746FC39F616264C3A46D7066756E67
+Out = 4865697AF66C72FC636B73746FDF616264E46D7066756E67
+
+# ÿ@Ðé¿ã!ð
+In = C3BF40C390C3A9C2BFC3A321C3B0
+Out = FF40D0E9BFE321F0
+
+[LATIN1-UTF8]
+
+# Botan
+In = 426F74616E
+Out = 426F74616E
+
+# Heizölrückstoßabdämpfung
+In = 4865697AF66C72FC636B73746FDF616264E46D7066756E67
+Out = 4865697AC3B66C72C3BC636B73746FC39F616264C3A46D7066756E67
+
+# ÿ@Ðé¿ã!ð
+In = FF40D0E9BFE321F0
+Out = C3BF40C390C3A9C2BFC3A321C3B0 \ No newline at end of file
diff --git a/src/tests/test_utils.cpp b/src/tests/test_utils.cpp
index 47f740a17..f5edfc0e0 100644
--- a/src/tests/test_utils.cpp
+++ b/src/tests/test_utils.cpp
@@ -9,6 +9,7 @@
#include <botan/loadstor.h>
#include <botan/calendar.h>
#include <botan/internal/rounding.h>
+#include <botan/charset.h>
#if defined(BOTAN_HAS_BASE64_CODEC)
#include <botan/base64.h>
@@ -326,6 +327,129 @@ BOTAN_REGISTER_TEST("base64", Base64_Tests);
#endif
+class Charset_Tests : public Text_Based_Test
+ {
+ public:
+ Charset_Tests() : Text_Based_Test("charset.vec",
+ { "In","Out" })
+ {}
+
+ Test::Result run_one_test(const std::string& type, const VarMap& vars) override
+ {
+ using namespace Botan;
+
+ Test::Result result("Charset");
+
+ const std::vector<byte> in = get_req_bin(vars, "In");
+ const std::vector<byte> expected = get_req_bin(vars, "Out");
+
+ std::string converted;
+ if(type == "UTF16-LATIN1")
+ {
+ converted = Charset::transcode(std::string(in.begin(), in.end()),
+ Character_Set::LATIN1_CHARSET, Character_Set::UCS2_CHARSET);
+ }
+ else if(type == "UTF8-LATIN1")
+ {
+ converted = Charset::transcode(std::string(in.begin(), in.end()),
+ Character_Set::LATIN1_CHARSET, Character_Set::UTF8_CHARSET);
+ }
+ else if(type == "LATIN1-UTF8")
+ {
+ converted = Charset::transcode(std::string(in.begin(), in.end()),
+ Character_Set::UTF8_CHARSET, Character_Set::LATIN1_CHARSET);
+ }
+ else
+ {
+ throw Test_Error("Unexpected header '" + type + "' in charset tests");
+ }
+
+ result.test_eq("string converted successfully", std::vector<byte>(converted.begin(), converted.end()), expected);
+
+ return result;
+ }
+
+ Test::Result utf16_to_latin1_negative_tests()
+ {
+ using namespace Botan;
+
+ Test::Result result("Charset negative tests");
+
+ result.test_throws("conversion fails for non-Latin1 characters", []()
+ {
+ // "abcdef�abcdef"
+ std::vector<byte> input = { 0x00, 0x61, 0x00, 0x62, 0x00, 0x63, 0x00, 0x64, 0x00, 0x65, 0x00, 0x66, 0x01,
+ 0x78, 0x00, 0x61, 0x00, 0x62, 0x00, 0x63, 0x00, 0x64, 0x00, 0x65, 0x00, 0x66
+ };
+
+ Charset::transcode(std::string(input.begin(), input.end()),
+ Character_Set::LATIN1_CHARSET, Character_Set::UCS2_CHARSET);
+ });
+
+ result.test_throws("conversion fails for UTF16 string with odd number of bytes", []()
+ {
+ std::vector<byte> input = { 0x00, 0x61, 0x00 };
+
+ Charset::transcode(std::string(input.begin(), input.end()),
+ Character_Set::LATIN1_CHARSET, Character_Set::UCS2_CHARSET);
+ });
+
+ return result;
+ }
+
+ Test::Result utf8_to_latin1_negative_tests()
+ {
+ using namespace Botan;
+
+ Test::Result result("Charset negative tests");
+
+ result.test_throws("conversion fails for non-Latin1 characters", []()
+ {
+ // "abcdef�abcdef"
+ std::vector<byte> input = { 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0xC5,
+ 0xB8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66
+ };
+
+ Charset::transcode(std::string(input.begin(), input.end()),
+ Character_Set::LATIN1_CHARSET, Character_Set::UTF8_CHARSET);
+ });
+
+ result.test_throws("invalid utf-8 string", []()
+ {
+ // sequence truncated
+ std::vector<byte> input = { 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0xC5 };
+
+ Charset::transcode(std::string(input.begin(), input.end()),
+ Character_Set::LATIN1_CHARSET, Character_Set::UTF8_CHARSET);
+ });
+
+ result.test_throws("invalid utf-8 string", []()
+ {
+ std::vector<byte> input = { 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0xC8, 0xB8, 0x61 };
+
+ Charset::transcode(std::string(input.begin(), input.end()),
+ Character_Set::LATIN1_CHARSET, Character_Set::UTF8_CHARSET);
+ });
+
+ return result;
+ }
+
+ std::vector<Test::Result> run_final_tests() override
+ {
+ using namespace Botan;
+
+ Test::Result result("Charset negative tests");
+
+ result.merge(utf16_to_latin1_negative_tests());
+ result.merge(utf8_to_latin1_negative_tests());
+
+ return{ result };
+ }
+
+ };
+
+BOTAN_REGISTER_TEST("charset", Charset_Tests);
+
}
}