AdhocCliCommParser_test.cc

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#include "catch.hpp"
#include "AdhocCliCommParser.hh"
#include <string>
#include <vector>
 
using namespace std;
 
static vector<string> parse(const string& stream)
{
        vector<string> result;
        AdhocCliCommParser parser([&](const string& cmd) { result.push_back(cmd); });
        parser.parse(stream);
        return result;
}
 
TEST_CASE("AdhocCliCommParser")
{
        SECTION("whitespace") {
                CHECK(parse("<command>foo</command>") ==
                      vector<string>{"foo"});
                CHECK(parse(" \t<command>foo</command>") ==
                      vector<string>{"foo"});
                CHECK(parse("<command>foo</command>\n ") ==
                      vector<string>{"foo"});
                CHECK(parse("  \n\n<command>foo</command> \t\n ") ==
                      vector<string>{"foo"});
        }
        SECTION("multiple commands") {
                CHECK(parse("<command>foo</command><command>bar</command>") ==
                      vector<string>{"foo", "bar"});
                CHECK(parse("<command>foo</command>  <command>bar</command>") ==
                      vector<string>{"foo", "bar"});
        }
        SECTION("XML-entities") {
                CHECK(parse("<command>&amp;</command>") ==
                      vector<string>{"&"});
                CHECK(parse("<command>&apos;</command>") ==
                      vector<string>{"'"});
                CHECK(parse("<command>&quot;</command>") ==
                      vector<string>{"\""});
                CHECK(parse("<command>&lt;</command>") ==
                      vector<string>{"<"});
                CHECK(parse("<command>&gt;</command>") ==
                      vector<string>{">"});
                CHECK(parse("<command>&#65;</command>") ==
                      vector<string>{"A"});
                CHECK(parse("<command>&#x41;</command>") ==
                      vector<string>{"A"});
                CHECK(parse("<command>&lt;command&gt;</command>") ==
                      vector<string>{"<command>"});
        }
        SECTION("tags other than <command> are ignored") {
                CHECK(parse("<openmsx-control> <command>foo</command> </openmsx-control>") ==
                      vector<string>{"foo"});
                CHECK(parse("<openmsx-control> <unknown>foo</unknown> <command>foo</command>") ==
                      vector<string>{"foo"});
        }
        SECTION("errors, but we do recover") {
                CHECK(parse("<command>&unknown;</command><command>foo</command>") ==
                      vector<string>{"foo"});
                CHECK(parse("<command>&#fffffff;</command><command>foo</command>") ==
                      vector<string>{"foo"});
                CHECK(parse("<<<<<command>foo</command>") ==
                      vector<string>{"foo"});
                CHECK(parse("<foo></bar><command>foo</command>") ==
                      vector<string>{"foo"});
                CHECK(parse("</command><command>foo</command>") ==
                      vector<string>{"foo"});
                CHECK(parse("<command>bar</foobar><command>foo</command>") ==
                      vector<string>{"foo"});
        }
        SECTION("old (XML) parser didn't accept this, AdhocCliCommParser does") {
                // new parser ignores the <openmsx-control> tag
                CHECK(parse("<openmsx-control></openmsx-control><command>foo</command>") ==
                      vector<string>{"foo"});
        }
        SECTION("old (XML) parser did accept this, AdhocCliCommParser does not") {
                // attributes are no longer accepted
                CHECK(parse("<command value=\"3\">foo</command>") ==
                      vector<string>{});
                // tags nested in the <command> tag are no longer accepted
                CHECK(parse("<command><bla></bla>foo</command>") ==
                      vector<string>{});
                // The shorthand notation for an empty tag is no longer recognized:
                //   sort-of OK, was before an empty command, now no command
                CHECK(parse("<command/>") ==
                      vector<string>{});
        }
}