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authorFrancois Kritzinger <francois@codesynthesis.com>2024-02-06 10:52:18 +0200
committerFrancois Kritzinger <francois@codesynthesis.com>2024-02-09 13:47:53 +0200
commit47767f72b47c9914deaf0de0908f816edfcc9709 (patch)
treed1ecc399ff223215801f106435db80d482e61b27 /tests
parentd249dff880edd1520a979279934afc0a6370bd67 (diff)
Add base64url_encode()
Diffstat (limited to 'tests')
-rw-r--r--tests/base64/driver.cxx69
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/base64/driver.cxx b/tests/base64/driver.cxx
index a37a238..32d5236 100644
--- a/tests/base64/driver.cxx
+++ b/tests/base64/driver.cxx
@@ -13,6 +13,8 @@
using namespace std;
using namespace butl;
+// Test base64 encoding and decoding.
+//
static bool
encode (const string& i, const string& o)
{
@@ -68,9 +70,44 @@ encode (const string& i, const string& o)
return r;
}
+// Test base64url encoding only (decoding not yet implemented).
+//
+static bool
+encode_url (const string& i, const string& o)
+{
+ istringstream is (i);
+ string s (base64url_encode (is));
+ bool r (s == o && is.eof ());
+
+ if (r)
+ {
+ is.seekg (0);
+
+ // VC15 seekg() doesn't clear eofbit.
+ //
+#if defined(_MSC_VER) && _MSC_VER < 1920
+ is.clear ();
+#endif
+
+ assert (!is.eof ());
+
+ ostringstream os;
+ base64url_encode (os, is);
+ r = os.str () == o && is.eof ();
+ }
+
+ if (r)
+ r = base64url_encode (vector<char> (i.begin (), i.end ())) == o;
+
+ return r;
+}
+
+
int
main ()
{
+ // base64
+ //
assert (encode ("", ""));
assert (encode ("B", "Qg=="));
assert (encode ("BX", "Qlg="));
@@ -80,6 +117,19 @@ main ()
assert (encode ("BXzS@#", "Qlh6U0Aj"));
assert (encode ("BXzS@#/", "Qlh6U0AjLw=="));
+ // base64url: no padding in output.
+ //
+ assert (encode_url ("", ""));
+ assert (encode_url ("B", "Qg"));
+ assert (encode_url ("BX", "Qlg"));
+ assert (encode_url ("BXz", "Qlh6"));
+ assert (encode_url ("BXzS", "Qlh6Uw"));
+ assert (encode_url ("BXzS@", "Qlh6U0A"));
+ assert (encode_url ("BXzS@#", "Qlh6U0Aj"));
+ assert (encode_url ("BXzS@#/", "Qlh6U0AjLw"));
+
+ // Multi-line input.
+ //
const char* s (
"class fdstream_base\n"
"{\n"
@@ -91,10 +141,29 @@ main ()
" fdbuf buf_;\n"
"};\n");
+ // base64
+ //
const char* r (
"Y2xhc3MgZmRzdHJlYW1fYmFzZQp7CnByb3RlY3RlZDoKICBmZHN0cmVhbV9iYXNlICgpID0gZGVm\n"
"YXVsdDsKICBmZHN0cmVhbV9iYXNlIChpbnQgZmQpOiBidWZfIChmZCkge30KCnByb3RlY3RlZDoK\n"
"ICBmZGJ1ZiBidWZfOwp9Owo=");
assert (encode (s, r));
+
+ // base64url: no newlines or padding in output.
+ //
+ r =
+"Y2xhc3MgZmRzdHJlYW1fYmFzZQp7CnByb3RlY3RlZDoKICBmZHN0cmVhbV9iYXNlICgpID0gZGVm"
+"YXVsdDsKICBmZHN0cmVhbV9iYXNlIChpbnQgZmQpOiBidWZfIChmZCkge30KCnByb3RlY3RlZDoK"
+"ICBmZGJ1ZiBidWZfOwp9Owo";
+
+ assert (encode_url (s, r));
+
+ // Test 63rd and 64th characters: `>` maps to `+` or `-`; `?` maps to `/` or
+ // `_`.
+ //
+ assert (encode (">>>>>>", "Pj4+Pj4+"));
+ assert (encode_url (">>>>>>", "Pj4-Pj4-"));
+ assert (encode ("??????", "Pz8/Pz8/"));
+ assert (encode_url ("??????", "Pz8_Pz8_"));
}