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3b801c4fda
There are still some holes, e.g. we leave surrogate pairs be even though they are not a part of valid UTF-8, but this might be for the better -- WTF-8 does support surrogate pairs inside text. Closes #1207
113 lines
4.9 KiB
C++
113 lines
4.9 KiB
C++
#include "catch.hpp"
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#include "internal/catch_xmlwriter.h"
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#include <sstream>
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inline std::string encode( std::string const& str, Catch::XmlEncode::ForWhat forWhat = Catch::XmlEncode::ForTextNodes ) {
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std::ostringstream oss;
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oss << Catch::XmlEncode( str, forWhat );
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return oss.str();
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}
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TEST_CASE( "XmlEncode", "[XML]" ) {
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SECTION( "normal string" ) {
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REQUIRE( encode( "normal string" ) == "normal string" );
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}
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SECTION( "empty string" ) {
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REQUIRE( encode( "" ) == "" );
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}
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SECTION( "string with ampersand" ) {
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REQUIRE( encode( "smith & jones" ) == "smith & jones" );
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}
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SECTION( "string with less-than" ) {
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REQUIRE( encode( "smith < jones" ) == "smith < jones" );
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}
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SECTION( "string with greater-than" ) {
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REQUIRE( encode( "smith > jones" ) == "smith > jones" );
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REQUIRE( encode( "smith ]]> jones" ) == "smith ]]> jones" );
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}
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SECTION( "string with quotes" ) {
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std::string stringWithQuotes = "don't \"quote\" me on that";
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REQUIRE( encode( stringWithQuotes ) == stringWithQuotes );
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REQUIRE( encode( stringWithQuotes, Catch::XmlEncode::ForAttributes ) == "don't "quote" me on that" );
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}
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SECTION( "string with control char (1)" ) {
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REQUIRE( encode( "[\x01]" ) == "[\\x01]" );
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}
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SECTION( "string with control char (x7F)" ) {
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REQUIRE( encode( "[\x7F]" ) == "[\\x7F]" );
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}
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}
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// Thanks to Peter Bindels (dascandy) for some of the tests
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TEST_CASE("XmlEncode: UTF-8", "[XML][UTF-8]") {
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SECTION("Valid utf-8 strings") {
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CHECK(encode(u8"Here be 👾") == u8"Here be 👾");
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CHECK(encode(u8"šš") == u8"šš");
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CHECK(encode("\xDF\xBF") == "\xDF\xBF"); // 0x7FF
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CHECK(encode("\xE0\xA0\x80") == "\xE0\xA0\x80"); // 0x800
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CHECK(encode("\xED\x9F\xBF") == "\xED\x9F\xBF"); // 0xD7FF
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CHECK(encode("\xEE\x80\x80") == "\xEE\x80\x80"); // 0xE000
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CHECK(encode("\xEF\xBF\xBF") == "\xEF\xBF\xBF"); // 0xFFFF
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CHECK(encode("\xF0\x90\x80\x80") == "\xF0\x90\x80\x80"); // 0x10000
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CHECK(encode("\xF4\x8F\xBF\xBF") == "\xF4\x8F\xBF\xBF"); // 0x10FFFF
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}
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SECTION("Invalid utf-8 strings") {
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SECTION("Various broken strings") {
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CHECK(encode("Here \xFF be 👾") == u8"Here \\xFF be 👾");
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CHECK(encode("\xFF") == "\\xFF");
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CHECK(encode("\xC5\xC5\xA0") == u8"\\xC5Š");
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CHECK(encode("\xF4\x90\x80\x80") == u8"\\xF4\\x90\\x80\\x80"); // 0x110000 -- out of unicode range
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}
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SECTION("Overlong encodings") {
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CHECK(encode("\xC0\x80") == u8"\\xC0\\x80"); // \0
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CHECK(encode("\xF0\x80\x80\x80") == u8"\\xF0\\x80\\x80\\x80"); // Super-over-long \0
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CHECK(encode("\xC1\xBF") == u8"\\xC1\\xBF"); // ASCII char as UTF-8 (0x7F)
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CHECK(encode("\xE0\x9F\xBF") == u8"\\xE0\\x9F\\xBF"); // 0x7FF
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CHECK(encode("\xF0\x8F\xBF\xBF") == u8"\\xF0\\x8F\\xBF\\xBF"); // 0xFFFF
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}
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// Note that we actually don't modify surrogate pairs, as we do not do strict checking
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SECTION("Surrogate pairs") {
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CHECK(encode("\xED\xA0\x80") == "\xED\xA0\x80"); // Invalid surrogate half 0xD800
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CHECK(encode("\xED\xAF\xBF") == "\xED\xAF\xBF"); // Invalid surrogate half 0xDBFF
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CHECK(encode("\xED\xB0\x80") == "\xED\xB0\x80"); // Invalid surrogate half 0xDC00
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CHECK(encode("\xED\xBF\xBF") == "\xED\xBF\xBF"); // Invalid surrogate half 0xDFFF
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}
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SECTION("Invalid start byte") {
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CHECK(encode("\x80") == u8"\\x80");
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CHECK(encode("\x81") == u8"\\x81");
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CHECK(encode("\xBC") == u8"\\xBC");
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CHECK(encode("\xBF") == u8"\\xBF");
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// Out of range
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CHECK(encode("\xF5\x80\x80\x80") == u8"\\xF5\\x80\\x80\\x80");
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CHECK(encode("\xF6\x80\x80\x80") == u8"\\xF6\\x80\\x80\\x80");
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CHECK(encode("\xF7\x80\x80\x80") == u8"\\xF7\\x80\\x80\\x80");
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}
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SECTION("Missing continuation byte(s)") {
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// Missing first continuation byte
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CHECK(encode("\xDE") == u8"\\xDE");
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CHECK(encode("\xDF") == u8"\\xDF");
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CHECK(encode("\xE0") == u8"\\xE0");
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CHECK(encode("\xEF") == u8"\\xEF");
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CHECK(encode("\xF0") == u8"\\xF0");
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CHECK(encode("\xF4") == u8"\\xF4");
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// Missing second continuation byte
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CHECK(encode("\xE0\x80") == u8"\\xE0\\x80");
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CHECK(encode("\xE0\xBF") == u8"\\xE0\\xBF");
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CHECK(encode("\xE1\x80") == u8"\\xE1\\x80");
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CHECK(encode("\xF0\x80") == u8"\\xF0\\x80");
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CHECK(encode("\xF4\x80") == u8"\\xF4\\x80");
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// Missing third continuation byte
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CHECK(encode("\xF0\x80\x80") == u8"\\xF0\\x80\\x80");
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CHECK(encode("\xF4\x80\x80") == u8"\\xF4\\x80\\x80");
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}
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}
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}
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