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https://github.com/RGBCube/serenity
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AK: Update OptionParser::m_arg_index by substracting skipped args
On argument swapping to put positional ones toward the end, m_arg_index was pointing at "last arg index" + "skipped args" + "consumed args" and thus was pointing ahead of the skipped ones. m_arg_index now points after the current parsed option arguments.
This commit is contained in:
vincent-rg
Ali Mohammad Pur
parent
8320faf052
commit
a9df60ff1c
5 changed files with 382 additions and 2 deletions
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@ -5,10 +5,10 @@
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*/
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#include <AK/Function.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <LibCore/ArgsParser.h>
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#include <LibTest/TestCase.h>
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#include <string.h>
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class ParserResult {
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public:
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@ -112,6 +112,40 @@ TEST_CASE(bool_option)
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EXPECT_EQ(force, true);
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}
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TEST_CASE(string_option)
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{
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ByteString string_option;
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// short option
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auto parser_result = run_parser({ "app"sv, "-d"sv, "foo"sv }, [&](auto& parser) {
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parser.add_option(string_option, "dummy", nullptr, 'd', "DUMMY");
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});
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EXPECT_EQ(parser_result.result, true);
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EXPECT_EQ(string_option, "foo");
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// short option, not given
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string_option = "";
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parser_result = run_parser({ "app"sv, "-d"sv }, [&](auto& parser) {
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parser.add_option(string_option, "dummy", nullptr, 'd', "DUMMY");
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});
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EXPECT_EQ(parser_result.result, false);
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// long option
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string_option = "";
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parser_result = run_parser({ "app"sv, "--dummy"sv, "foo"sv }, [&](auto& parser) {
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parser.add_option(string_option, "dummy", "dummy", {}, "DUMMY");
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});
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EXPECT_EQ(parser_result.result, true);
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EXPECT_EQ(string_option, "foo");
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// long option, not given
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string_option = "";
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parser_result = run_parser({ "app"sv, "--dummy"sv }, [&](auto& parser) {
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parser.add_option(string_option, "dummy", "dummy", {}, "DUMMY");
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});
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EXPECT_EQ(parser_result.result, false);
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}
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TEST_CASE(positional_string_argument)
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{
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// Single required string argument
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@ -316,6 +350,169 @@ TEST_CASE(combination_of_bool_options_with_positional_vector_string)
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EXPECT_EQ(parser_result.result, false);
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}
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TEST_CASE(combination_of_bool_and_string_short_options_with_positional_vector_string)
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{
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// #22759: Positional arguments were sometimes incorrectly not shifted, leading to an incorrect parse.
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// Bool options (given), string options (given) and one positional argument (given)
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// Expected: all arguments fill as given
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bool bool_opt1 = false;
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bool bool_opt2 = false;
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ByteString string_opt1;
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ByteString string_opt2;
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Vector<StringView> positionals;
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auto parser_result = run_parser({ "app"sv, "-b"sv, "-c"sv, "-d"sv, "foo"sv, "-e"sv, "bar"sv, "one"sv }, [&](auto& parser) {
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parser.add_option(bool_opt1, "bool_opt1", nullptr, 'b');
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parser.add_option(bool_opt2, "bool_opt2", nullptr, 'c');
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parser.add_option(string_opt1, "string_opt1", nullptr, 'd', "D");
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parser.add_option(string_opt2, "string_opt2", nullptr, 'e', "E");
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parser.add_positional_argument(positionals, "pos", "pos", Core::ArgsParser::Required::No);
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});
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EXPECT_EQ(parser_result.result, true);
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EXPECT_EQ(bool_opt1, true);
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EXPECT_EQ(bool_opt2, true);
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EXPECT_EQ(string_opt1, "foo");
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EXPECT_EQ(string_opt2, "bar");
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EXPECT_EQ(positionals.size(), 1u);
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if (positionals.size() == 1u) {
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EXPECT_EQ(positionals[0], "one");
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}
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// Bool options (given), string options (given) and one positional argument (given)
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// one bool option after positional
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// Expected: all arguments fill as given
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bool_opt1 = false;
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bool_opt2 = false;
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string_opt1 = "";
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string_opt2 = "";
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positionals = {};
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parser_result = run_parser({ "app"sv, "-c"sv, "-d"sv, "foo"sv, "-e"sv, "bar"sv, "one"sv, "-b"sv }, [&](auto& parser) {
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parser.add_option(bool_opt1, "bool_opt1", nullptr, 'b');
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parser.add_option(bool_opt2, "bool_opt2", nullptr, 'c');
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parser.add_option(string_opt1, "string_opt1", nullptr, 'd', "D");
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parser.add_option(string_opt2, "string_opt2", nullptr, 'e', "E");
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parser.add_positional_argument(positionals, "pos", "pos", Core::ArgsParser::Required::No);
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});
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EXPECT_EQ(parser_result.result, true);
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EXPECT_EQ(bool_opt1, true);
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EXPECT_EQ(bool_opt2, true);
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EXPECT_EQ(string_opt1, "foo");
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EXPECT_EQ(string_opt2, "bar");
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EXPECT_EQ(positionals.size(), 1u);
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if (positionals.size() == 1u) {
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EXPECT_EQ(positionals[0], "one");
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}
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// Bool options (given), string options (given) and one positional argument (given)
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// one string and one bool option after positional
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// Expected: all arguments fill as given
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bool_opt1 = false;
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bool_opt2 = false;
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string_opt1 = "";
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string_opt2 = "";
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positionals = {};
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parser_result = run_parser({ "app"sv, "-c"sv, "-e"sv, "bar"sv, "one"sv, "-d"sv, "foo"sv, "-b"sv }, [&](auto& parser) {
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parser.add_option(bool_opt1, "bool_opt1", nullptr, 'b');
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parser.add_option(bool_opt2, "bool_opt2", nullptr, 'c');
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parser.add_option(string_opt1, "string_opt1", nullptr, 'd', "D");
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parser.add_option(string_opt2, "string_opt2", nullptr, 'e', "E");
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parser.add_positional_argument(positionals, "pos", "pos", Core::ArgsParser::Required::No);
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});
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EXPECT_EQ(parser_result.result, true);
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EXPECT_EQ(bool_opt1, true);
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EXPECT_EQ(bool_opt2, true);
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EXPECT_EQ(string_opt1, "foo");
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EXPECT_EQ(string_opt2, "bar");
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EXPECT_EQ(positionals.size(), 1u);
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if (positionals.size() == 1u) {
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EXPECT_EQ(positionals[0], "one");
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}
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// Bool options (given), string options (given) and two positional arguments (given)
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// positional arguments are separated by options
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// Expected: all arguments fill as given
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bool_opt1 = false;
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bool_opt2 = false;
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string_opt1 = "";
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string_opt2 = "";
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positionals = {};
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parser_result = run_parser({ "app"sv, "-b"sv, "-d"sv, "foo"sv, "one"sv, "-c"sv, "-e"sv, "bar"sv, "two"sv }, [&](auto& parser) {
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parser.add_option(bool_opt1, "bool_opt1", nullptr, 'b');
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parser.add_option(bool_opt2, "bool_opt2", nullptr, 'c');
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parser.add_option(string_opt1, "string_opt1", nullptr, 'd', "D");
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parser.add_option(string_opt2, "string_opt2", nullptr, 'e', "E");
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parser.add_positional_argument(positionals, "pos", "pos", Core::ArgsParser::Required::No);
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});
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EXPECT_EQ(parser_result.result, true);
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EXPECT_EQ(bool_opt1, true);
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EXPECT_EQ(bool_opt2, true);
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EXPECT_EQ(string_opt1, "foo");
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EXPECT_EQ(string_opt2, "bar");
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EXPECT_EQ(positionals.size(), 2u);
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if (positionals.size() == 2u) {
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EXPECT_EQ(positionals[0], "one");
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EXPECT_EQ(positionals[1], "two");
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}
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// Bool options (given), string options (given) and two positional arguments (given)
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// positional arguments are separated and followed by options
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// Expected: all arguments fill as given
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bool_opt1 = false;
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bool_opt2 = false;
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string_opt1 = "";
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string_opt2 = "";
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positionals = {};
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parser_result = run_parser({ "app"sv, "one"sv, "-b"sv, "-d"sv, "foo"sv, "two"sv, "-c"sv, "-e"sv, "bar"sv }, [&](auto& parser) {
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parser.add_option(bool_opt1, "bool_opt1", nullptr, 'b');
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parser.add_option(bool_opt2, "bool_opt2", nullptr, 'c');
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parser.add_option(string_opt1, "string_opt1", nullptr, 'd', "D");
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parser.add_option(string_opt2, "string_opt2", nullptr, 'e', "E");
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parser.add_positional_argument(positionals, "pos", "pos", Core::ArgsParser::Required::No);
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});
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EXPECT_EQ(parser_result.result, true);
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EXPECT_EQ(bool_opt1, true);
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EXPECT_EQ(bool_opt2, true);
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EXPECT_EQ(string_opt1, "foo");
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EXPECT_EQ(string_opt2, "bar");
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EXPECT_EQ(positionals.size(), 2u);
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if (positionals.size() == 2u) {
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EXPECT_EQ(positionals[0], "one");
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EXPECT_EQ(positionals[1], "two");
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}
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// Bool options (given), string options (given) and two positional arguments (given)
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// positional arguments are separated and followed by options, variation on options order
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// Expected: all arguments fill as given
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bool_opt1 = false;
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bool_opt2 = false;
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string_opt1 = "";
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string_opt2 = "";
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positionals = {};
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parser_result = run_parser({ "app"sv, "one"sv, "-d"sv, "foo"sv, "-b"sv, "two"sv, "-e"sv, "bar"sv, "-c"sv }, [&](auto& parser) {
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parser.add_option(bool_opt1, "bool_opt1", nullptr, 'b');
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parser.add_option(bool_opt2, "bool_opt2", nullptr, 'c');
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parser.add_option(string_opt1, "string_opt1", nullptr, 'd', "D");
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parser.add_option(string_opt2, "string_opt2", nullptr, 'e', "E");
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parser.add_positional_argument(positionals, "pos", "pos", Core::ArgsParser::Required::No);
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});
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EXPECT_EQ(parser_result.result, true);
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EXPECT_EQ(bool_opt1, true);
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EXPECT_EQ(bool_opt2, true);
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EXPECT_EQ(string_opt1, "foo");
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EXPECT_EQ(string_opt2, "bar");
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EXPECT_EQ(positionals.size(), 2u);
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if (positionals.size() == 2u) {
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EXPECT_EQ(positionals[0], "one");
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EXPECT_EQ(positionals[1], "two");
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}
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}
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TEST_CASE(stop_on_first_non_option)
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{
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// Do not stop on first non-option; arguments in correct order
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