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/*
* uriparser - RFC 3986 URI parsing library
*
* Copyright (C) 2025, Sebastian Pipping <sebastian@pipping.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#undef NDEBUG // because we rely on assert(3) further down
#include <cassert>
#include <gtest/gtest.h>
#include <uriparser/Uri.h>
namespace {
static void testIsWellFormedFragment(const char * candidate, bool expectedWellFormed) {
const char * const first = candidate;
const char * const afterLast =
(candidate == NULL) ? NULL : (candidate + strlen(candidate));
const UriBool actualWellFormed = uriIsWellFormedFragmentA(first, afterLast);
ASSERT_EQ(actualWellFormed, expectedWellFormed);
}
static UriUriA parseWellFormedUri(const char * text) {
UriUriA uri;
const int error = uriParseSingleUriA(&uri, text, NULL);
// NOTE: we cannot use ASSERT_EQ here because of the outer non-void return type
assert(error == URI_SUCCESS);
return uri;
}
static void assertUriEqual(const UriUriA * uri, const char * expected) {
int charsRequired = -1;
ASSERT_EQ(uriToStringCharsRequiredA(uri, &charsRequired), URI_SUCCESS);
ASSERT_TRUE(charsRequired >= 0);
char * const buffer = (char *)malloc(charsRequired + 1);
ASSERT_TRUE(buffer != NULL);
ASSERT_EQ(uriToStringA(buffer, uri, charsRequired + 1, NULL), URI_SUCCESS);
EXPECT_STREQ(buffer, expected);
free(buffer);
}
} // namespace
TEST(IsWellFormedFragment, Null) {
testIsWellFormedFragment(NULL, false);
}
TEST(IsWellFormedFragment, Empty) {
testIsWellFormedFragment("", true);
}
TEST(IsWellFormedFragment, AllowedCharacters) {
// The related grammar subset is this:
//
// fragment = *( pchar / "/" / "?" )
// pchar = unreserved / pct-encoded / sub-delims / ":" / "@"
// unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
// pct-encoded = "%" HEXDIG HEXDIG
// sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
// / "*" / "+" / "," / ";" / "="
//
// NOTE: Percent encoding has dedicated tests further down
testIsWellFormedFragment("0123456789"
"ABCDEF"
"abcdef"
"gGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ"
"-._~"
"!$&'()*+,;="
":@"
"/?",
true);
}
TEST(IsWellFormedFragment, ForbiddenCharacters) {
testIsWellFormedFragment(" ", false);
}
TEST(IsWellFormedFragment, PercentEncodingWellFormed) {
testIsWellFormedFragment("%"
"aa"
"%"
"AA",
true);
}
TEST(IsWellFormedFragment, PercentEncodingMalformedCutOff1) {
testIsWellFormedFragment("%", false);
}
TEST(IsWellFormedFragment, PercentEncodingMalformedCutOff2) {
testIsWellFormedFragment("%"
"a",
false);
}
TEST(IsWellFormedFragment, PercentEncodingMalformedForbiddenCharacter1) {
testIsWellFormedFragment("%"
"ga",
false);
}
TEST(IsWellFormedFragment, PercentEncodingMalformedForbiddenCharacter2) {
testIsWellFormedFragment("%"
"ag",
false);
}
TEST(SetFragment, NullUriOnly) {
UriUriA * const uri = NULL;
const char * const first = "toc";
const char * const afterLast = first + strlen(first);
ASSERT_EQ(uriSetFragmentA(uri, first, afterLast), URI_ERROR_NULL);
}
TEST(SetFragment, NullFirstOnly) {
UriUriA uri = {};
const char * const fragment = "toc";
const char * const first = NULL;
const char * const afterLast = fragment + strlen(fragment);
ASSERT_EQ(uriSetFragmentA(&uri, first, afterLast), URI_ERROR_NULL);
}
TEST(SetFragment, NullAfterLastOnly) {
UriUriA uri = {};
const char * const first = "toc";
const char * const afterLast = NULL;
ASSERT_EQ(uriSetFragmentA(&uri, first, afterLast), URI_ERROR_NULL);
}
TEST(SetFragment, NullValueLeavesOwnerAtFalse) {
UriUriA uri = parseWellFormedUri("scheme://host/#fragment");
EXPECT_EQ(uri.owner, URI_FALSE); // self-test
EXPECT_EQ(uriSetFragmentA(&uri, NULL, NULL), URI_SUCCESS);
EXPECT_EQ(uri.owner, URI_FALSE); // i.e. still false
uriFreeUriMembersA(&uri);
}
TEST(SetFragment, NonNullValueMakesOwner) {
UriUriA uri = parseWellFormedUri("scheme://host/#old");
const char * const first = "new";
const char * const afterLast = first + strlen(first);
EXPECT_EQ(uri.owner, URI_FALSE); // self-test
EXPECT_EQ(uriSetFragmentA(&uri, first, afterLast), URI_SUCCESS);
EXPECT_EQ(uri.owner, URI_TRUE); // i.e. now owned
uriFreeUriMembersA(&uri);
}
TEST(SetFragment, NullValueApplied) {
UriUriA uri = parseWellFormedUri("scheme://host/#fragment");
EXPECT_EQ(uriSetFragmentA(&uri, NULL, NULL), URI_SUCCESS);
assertUriEqual(&uri, "scheme://host/");
uriFreeUriMembersA(&uri);
}
TEST(SetFragment, NonNullValueAppliedEmpty) {
UriUriA uri = parseWellFormedUri("scheme://host/#fragment");
const char * const empty = "";
EXPECT_EQ(uriSetFragmentA(&uri, empty, empty), URI_SUCCESS);
assertUriEqual(&uri, "scheme://host/#");
uriFreeUriMembersA(&uri);
}
TEST(SetFragment, NonNullValueAppliedNonEmpty) {
UriUriA uri = parseWellFormedUri("scheme://host/#old");
const char * const first = "new";
const char * const afterLast = first + strlen(first);
EXPECT_EQ(uriSetFragmentA(&uri, first, afterLast), URI_SUCCESS);
assertUriEqual(&uri, "scheme://host/#new");
uriFreeUriMembersA(&uri);
}
TEST(SetFragment, MalformedValueRejected) {
UriUriA uri = parseWellFormedUri("scheme://host/#fragment");
const char * const first = "not well-formed";
const char * const afterLast = first + strlen(first);
EXPECT_EQ(uriSetFragmentA(&uri, first, afterLast), URI_ERROR_SYNTAX);
uriFreeUriMembersA(&uri);
}
TEST(SetFragment, UriWithoutHostTolerated) {
UriUriA uri = parseWellFormedUri("/no/host/here");
const char * const first = "toc";
const char * const afterLast = first + strlen(first);
EXPECT_TRUE(uri.hostText.first == NULL); // self-test
EXPECT_EQ(uriSetFragmentA(&uri, first, afterLast), URI_SUCCESS);
assertUriEqual(&uri, "/no/host/here#toc");
uriFreeUriMembersA(&uri);
}
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