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//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/url
//
// Test that header file is self-contained.
#include <boost/url/segments_view.hpp>
#include <boost/url/parse.hpp>
#include <boost/url/parse_path.hpp>
#include <boost/url/url.hpp>
#include <boost/core/detail/static_assert.hpp>
#include <boost/core/ignore_unused.hpp>
#include "test_suite.hpp"
#include <sstream>
#include <string>
#ifdef assert
#undef assert
#endif
#define assert BOOST_TEST
namespace boost {
namespace urls {
BOOST_CORE_STATIC_ASSERT(
std::is_default_constructible<
segments_view>::value);
BOOST_CORE_STATIC_ASSERT(
std::is_copy_constructible<
segments_view>::value);
BOOST_CORE_STATIC_ASSERT(
std::is_copy_assignable<
segments_view>::value);
BOOST_CORE_STATIC_ASSERT(
std::is_default_constructible<
segments_view::iterator>::value);
struct segments_view_test
{
void
testSpecialMembers()
{
// segments_view()
{
segments_view ps;
BOOST_TEST(ps.empty());
BOOST_TEST(! ps.is_absolute());
BOOST_TEST_EQ(ps.buffer(), "");
BOOST_TEST_EQ(ps.size(), 0);
}
// segments_view(segments_view)
{
segments_view ps0 =
parse_path("/path/to/file.txt").value();
segments_view ps1(ps0);
BOOST_TEST_EQ(
ps0.buffer().data(),
ps1.buffer().data());
}
// segments_view(core::string_view)
{
try
{
core::string_view s = "/path/to/file.txt";
segments_view ps(s);
BOOST_TEST_PASS();
BOOST_TEST_EQ(
ps.buffer().data(), s.data());
BOOST_TEST_EQ(ps.buffer(), s);
}
catch(std::exception const&)
{
BOOST_TEST_FAIL();
}
// reserved character
BOOST_TEST_THROWS(segments_view("?"), system::system_error);
// invalid percent-escape
BOOST_TEST_THROWS(segments_view("%"), system::system_error);
BOOST_TEST_THROWS(segments_view("%F"), system::system_error);
BOOST_TEST_THROWS(segments_view("%FX"), system::system_error);
BOOST_TEST_THROWS(segments_view("%%"), system::system_error);
BOOST_TEST_THROWS(segments_view("FA%"), system::system_error);
}
// operator=(segments_view)
{
segments_view ps0("/path/to/file.txt");
segments_view ps1("/index.htm");
ps0 = ps1;
BOOST_TEST_EQ(
ps0.buffer().data(),
ps1.buffer().data());
}
// ostream
{
segments_view ps = parse_path(
"/path/to/file.txt").value();
std::stringstream ss;
ss << ps;
BOOST_TEST_EQ(ss.str(),
"/path/to/file.txt");
}
}
void
testRangeCtor()
{
// full slice equals original (absolute path)
{
segments_view ps = parse_path("/a/b/c").value();
segments_view sub(ps.begin(), ps.end());
BOOST_TEST_EQ(sub.size(), 3u);
BOOST_TEST(sub.is_absolute());
BOOST_TEST_EQ(sub.buffer(), "/a/b/c");
// alias same storage
BOOST_TEST_EQ(sub.buffer().data(), ps.buffer().data());
}
// full slice equals original (relative path)
{
segments_view ps = parse_path("a/b/c").value();
segments_view sub(ps.begin(), ps.end());
BOOST_TEST_EQ(sub.size(), 3u);
BOOST_TEST(!sub.is_absolute());
BOOST_TEST_EQ(sub.buffer(), "a/b/c");
// alias same storage
BOOST_TEST_EQ(sub.buffer().data(), ps.buffer().data());
}
// drop first segment: start at index 1 (retain separator)
{
segments_view ps = parse_path("/a/b/c").value();
auto first = std::next(ps.begin());
auto last = ps.end();
segments_view sub(first, last);
BOOST_TEST_EQ(sub.size(), 2u);
BOOST_TEST(sub.is_absolute());
BOOST_TEST_EQ(sub.buffer(), "/b/c");
auto it = sub.begin();
BOOST_TEST_EQ(*it++, "b");
BOOST_TEST_EQ(*it++, "c");
BOOST_TEST(it == sub.end());
}
// take prefix without the last segment:
// [begin, prev(end)) -> "/a/b"
{
segments_view ps = parse_path("/a/b/c").value();
auto first = ps.begin();
auto last = std::prev(ps.end());
segments_view sub(first, last);
BOOST_TEST_EQ(sub.size(), 2u);
BOOST_TEST(sub.is_absolute());
BOOST_TEST_EQ(sub.buffer(), "/a/b");
auto it = sub.begin();
BOOST_TEST_EQ(*it++, "a");
BOOST_TEST_EQ(*it++, "b");
BOOST_TEST(it == sub.end());
}
// single segment in the middle:
// ["b", past "b") -> "/b"
{
segments_view ps = parse_path("/a/b/c").value();
auto b = std::next(ps.begin());
auto e = std::next(b);
segments_view sub(b, e);
BOOST_TEST_EQ(sub.size(), 1u);
BOOST_TEST(sub.is_absolute());
BOOST_TEST_EQ(sub.buffer(), "/b");
BOOST_TEST_EQ(*sub.begin(), "b");
}
// relative path:
// subranges not starting at begin become absolute
{
segments_view ps = parse_path("a/b/c").value();
// full slice
segments_view sub1(ps.begin(), ps.end());
BOOST_TEST_EQ(sub1.size(), 3u);
BOOST_TEST(!sub1.is_absolute());
BOOST_TEST_EQ(sub1.buffer(), "a/b/c");
// prefix [begin, prev(end)) -> "a/b"
segments_view sub2(ps.begin(), std::prev(ps.end()));
BOOST_TEST_EQ(sub2.size(), 2u);
BOOST_TEST(!sub2.is_absolute());
BOOST_TEST_EQ(sub2.buffer(), "a/b");
// middle one ["b", past "b") -> "/b"
auto b = std::next(ps.begin());
segments_view sub3(b, std::next(b));
BOOST_TEST_EQ(sub3.size(), 1u);
BOOST_TEST(sub3.is_absolute());
BOOST_TEST_EQ(sub3.buffer(), "/b");
// suffix [next(begin), end) -> "/b/c"
segments_view sub4(std::next(ps.begin()), ps.end());
BOOST_TEST_EQ(sub4.size(), 2u);
BOOST_TEST(sub4.is_absolute());
BOOST_TEST_EQ(sub4.buffer(), "/b/c");
// concatenating adjoining subviews recreates original text
segments_view first_seg(ps.begin(), std::next(ps.begin()));
std::string reconstructed(
first_seg.buffer().data(),
first_seg.buffer().size());
reconstructed.append(
sub4.buffer().data(),
sub4.buffer().size());
BOOST_TEST_EQ(reconstructed, ps.buffer());
BOOST_TEST_EQ(
first_seg.buffer().decoded_size() +
sub4.buffer().decoded_size(),
ps.buffer().decoded_size());
}
// empty subrange [it, it):
// empty buffer, not absolute
{
segments_view ps = parse_path("/a/b").value();
auto it = ps.begin();
segments_view sub(it, it);
BOOST_TEST_EQ(sub.size(), 0u);
BOOST_TEST(!sub.is_absolute());
BOOST_TEST_EQ(sub.buffer(), "");
BOOST_TEST(sub.begin() == sub.end());
}
// empty subrange from relative source
{
segments_view ps = parse_path("a/b").value();
auto it = ps.begin();
segments_view sub(it, it);
BOOST_TEST_EQ(sub.size(), 0u);
BOOST_TEST(!sub.is_absolute());
BOOST_TEST_EQ(sub.buffer(), "");
BOOST_TEST(sub.begin() == sub.end());
}
// percent-encoding:
// slice of first encoded segment only, absolute start
{
segments_view ps = parse_path("/a%2Fb/c").value();
auto first = ps.begin();
auto last = std::next(ps.begin());
segments_view sub(first, last);
// encoded in buffer
BOOST_TEST(sub.is_absolute());
BOOST_TEST_EQ(sub.size(), 1u);
BOOST_TEST_EQ(sub.buffer(), "/a%2Fb");
// decoded on deref
auto it = sub.begin();
BOOST_TEST_EQ(*it++, "a/b");
BOOST_TEST(it == sub.end());
}
// aliasing: url_view -> segments_view -> subrange
{
url_view u("/x/y");
segments_view ps = u.segments();
segments_view sub(ps.begin(), ps.end());
BOOST_TEST_EQ(sub.buffer().data(), u.buffer().data());
BOOST_TEST_EQ(sub.buffer(), "/x/y");
BOOST_TEST(sub.is_absolute());
BOOST_TEST_EQ(sub.size(), 2u);
}
// empty prefix of absolute path:
// [begin, begin) -> empty
{
segments_view ps = parse_path("/a/b/c").value();
segments_view sub(ps.begin(), ps.begin());
BOOST_TEST_EQ(sub.size(), 0u);
BOOST_TEST_EQ(sub.buffer(), "");
BOOST_TEST(!sub.is_absolute());
}
// empty subrange in the middle (absolute):
// ["b","b") -> "", not absolute
{
segments_view ps = parse_path("/a/b/c").value();
auto b = std::next(ps.begin());
segments_view sub(b, b);
BOOST_TEST_EQ(sub.size(), 0u);
BOOST_TEST_EQ(sub.buffer(), "");
BOOST_TEST(!sub.is_absolute());
BOOST_TEST(sub.begin() == sub.end());
}
// empty subrange in the middle (relative):
// ["b","b") -> "", not absolute
{
segments_view ps = parse_path("a/b/c").value();
auto b = std::next(ps.begin()); // "b"
segments_view sub(b, b);
BOOST_TEST_EQ(sub.size(), 0u);
BOOST_TEST_EQ(sub.buffer(), "");
BOOST_TEST(!sub.is_absolute());
BOOST_TEST(sub.begin() == sub.end());
}
// empty subrange at end:
// [end,end) -> "", not absolute
{
segments_view ps = parse_path("/a/b/c").value();
auto e = ps.end();
segments_view sub(e, e);
BOOST_TEST_EQ(sub.size(), 0u);
BOOST_TEST_EQ(sub.buffer(), "");
BOOST_TEST(!sub.is_absolute());
}
// single-segment absolute path full slice: "/a"
{
segments_view ps = parse_path("/a").value();
segments_view sub(ps.begin(), ps.end());
BOOST_TEST_EQ(sub.size(), 1u);
BOOST_TEST(sub.is_absolute());
BOOST_TEST_EQ(sub.buffer(), "/a");
auto it = sub.begin();
BOOST_TEST_EQ(*it++, "a");
BOOST_TEST(it == sub.end());
}
// middle slice using last.pos path:
// ["b", prev(end)) on "/a/b/c" -> "/b"
{
segments_view ps = parse_path("/a/b/c").value();
auto b = std::next(ps.begin());
auto last = std::prev(ps.end());
segments_view sub(b, last);
BOOST_TEST_EQ(sub.size(), 1u);
BOOST_TEST(sub.is_absolute());
BOOST_TEST_EQ(sub.buffer(), "/b");
BOOST_TEST_EQ(*sub.begin(), "b");
}
}
void
testJavadocs()
{
// {class}
{
url_view u( "/path/to/file.txt" );
segments_view ps = u.segments();
assert( ps.buffer().data() == u.buffer().data() );
ignore_unused(ps);
}
}
void
run()
{
testSpecialMembers();
testRangeCtor();
testJavadocs();
}
};
TEST_SUITE(
segments_view_test,
"boost.url.segments_view");
} // urls
} // boost
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