319 lines
8.9 KiB
C++
319 lines
8.9 KiB
C++
#include <cruft/util/cmdopt.hpp>
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#include <cruft/util/tap.hpp>
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#include <cruft/util/types.hpp>
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#include <cruft/util/maths.hpp>
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#include <array>
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///////////////////////////////////////////////////////////////////////////////
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// Check that null options don't strhrow anything
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static
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void
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test_null (cruft::TAP::logger &tap)
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{
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cruft::cmdopt::parser p;
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p.add<cruft::cmdopt::option::null> ('n', "null", "testing null option");
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static const char *argv1[] = { "./foo", "-n", "foo" };
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tap.expect_nothrow ([&] () {
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p.scan (std::size (argv1), argv1);
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}, "nothrow null short form");
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static const char *argv2[] = { "./foo", "--null", "foo" };
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tap.expect_nothrow ([&] () {
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p.scan (std::size (argv2), argv2);
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}, "nothrow null long form");
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}
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///////////////////////////////////////////////////////////////////////////////
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// Check if presence options can be used successfully
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static
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void
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test_present (cruft::TAP::logger &tap)
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{
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cruft::cmdopt::parser p;
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bool is_present;
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p.add<cruft::cmdopt::option::present> ('p', "present", "option is present", is_present);
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// Short option form
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{
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static const char *argv1[] = { "./foo", "-p" };
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is_present = false;
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p.scan (std::size (argv1), argv1);
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tap.expect (is_present, "presence short form");
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}
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// Long option form
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{
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static const char *argv2[] = { "./foo", "--present" };
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is_present = false;
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p.scan (std::size (argv2), argv2);
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tap.expect (is_present, "presence long form");
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}
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// Check that value is reset from true if not present
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{
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static const char *argv3[] = { "./foo" };
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is_present = true;
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p.scan (std::size (argv3), argv3);
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tap.expect (!is_present, "presence null");
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// Check all forms of boolean inputs
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static
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void
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test_bool (cruft::TAP::logger &tap)
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{
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cruft::cmdopt::parser p;
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bool value = false;
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p.add<cruft::cmdopt::option::value<bool>> ('b', "bool", "testing boolean actions", value);
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// List all legal forms of positive or negative boolean values
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std::array<const char*, 3> argv { "./foo", "-b", NULL };
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static const char *positive[] = { "1", "true", "yes" };
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static const char *negative[] = { "0", "false", "no" };
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// For each boolean value, ensure that it returns as expected
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for (auto i: positive) {
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argv[2] = i;
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p.scan (argv.size (), argv.data ());
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tap.expect_eq (value, true, "read bool, {:s}", i);
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}
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for (auto i: negative) {
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argv[2] = i;
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p.scan (argv.size (), argv.data ());
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tap.expect_eq (value, false, "read bool, {:s}", i);
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}
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// Check that invalid forms of boolean all throw exceptions
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const char* invalid[] = { "foo", "null" };
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for (auto i: invalid) {
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argv[2] = i;
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tap.expect_throw<cruft::cmdopt::invalid_value> ([&] () {
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p.scan (argv.size (), argv.data ());
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}, "invalid bool, {:s}", i);
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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template<typename T>
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static
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void
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test_numeric (cruft::TAP::logger &tap)
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{
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cruft::cmdopt::parser p;
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T value;
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p.add<cruft::cmdopt::option::value<T>> ('t', "type", "testing type option", value);
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T values[] = {
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// TODO: Enable minimum value testing. Currently disabled as
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// a negative numerical value looks just like a proceeding
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// option.
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//std::numeric_limits<T>::min(),
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std::numeric_limits<T>::max (),
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0
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};
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const char *argv_short[] = { "./foo", "-t", NULL };
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const char * argv_long[] = { "./foo", NULL };
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for(size_t i = 0; i < std::size (values); ++i) {
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std::ostringstream out_short, out_long;
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std::string str_short, str_long;
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// construct short form arguments
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out_short << values[i];
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str_short = out_short.str ();
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argv_short[2] = str_short.c_str ();
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// check short form reading
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value = 2;
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p.scan (std::size (argv_short), argv_short);
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tap.expect_eq (value, values[i], "equality, short form");
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// construct long form arguments
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out_long << "--type=" << values[i];
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str_long = out_long.str ();
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argv_long[1] = str_long.c_str ();
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// check long form reading
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value = 2;
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p.scan (std::size (argv_long), argv_long);
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tap.expect_eq (value, values[i], "equality, long form");
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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static
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void
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test_bytes (cruft::TAP::logger &tap)
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{
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cruft::cmdopt::parser p;
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size_t size;
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p.add<cruft::cmdopt::option::bytes> ('b', "bytes", "testing bytes", size);
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static const struct {
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const char *str;
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size_t val;
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} commands[] = {
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{ "1", 1 },
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{ "1k", cruft::pow (1024u, 1u) },
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{ "1M", cruft::pow (1024u, 2u) },
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{ "1G", cruft::pow (1024u, 3u) }
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};
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const char *argv[] = {
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"./foo",
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"-b",
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NULL
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};
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for (auto &i: commands) {
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argv[2] = i.str;
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p.scan (std::size (argv), argv);
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tap.expect_eq (i.val, size, "bytes, {:s}", i.str);
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};
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}
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///////////////////////////////////////////////////////////////////////////////
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static
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void
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test_required (cruft::TAP::logger &tap)
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{
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cruft::cmdopt::parser p;
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p.add<cruft::cmdopt::option::null> (
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'n',
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"null",
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"null testing"
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).required (true);
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static const char *argv[] = {
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"./cpptest",
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"-n",
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"value"
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};
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tap.expect_nothrow ([&] () {
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p.scan (std::size (argv), argv);
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}, "required option, success");
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tap.expect_throw<cruft::cmdopt::invalid_required> ([&] () {
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p.scan (1, argv);
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}, "required option, failure");
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}
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///////////////////////////////////////////////////////////////////////////////
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static
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void
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test_fulfilled (cruft::TAP::logger &tap)
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{
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// Test that a value option that has no requirements/seen constraints and no provided value is fullfilled.
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{
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cruft::cmdopt::parser p;
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bool b_val;
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auto &b_opt = p.add<cruft::cmdopt::option::value<bool>> ('b', "bool", "boolean value", b_val);
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static constexpr char const* argv[] = { "./cpptest", };
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tap.expect_nothrow ([&] () {
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p.scan (std::size (argv), argv);
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}, "fullfilled, empty, scan");
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tap.expect (b_opt.fulfilled (), "fulfilled, empty, value");
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}
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// Test that an unseen dependent option means the option is unfulfilled.
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{
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cruft::cmdopt::parser p;
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int a_val = 0, b_val = 0;
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auto &a_opt = p.add<cruft::cmdopt::option::value<int>> ('a', "ay", "int value", a_val);
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auto &b_opt = p.add<cruft::cmdopt::option::value<int>> ('b', "be", "int value", b_val);
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b_opt.required(a_opt.is (1));
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static constexpr char const* argv[] = { "./cpptest", "-a", "1"};
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tap.expect_throw<cruft::cmdopt::invalid_required> ([&] () {
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p.scan (std::size (argv), argv);
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}, "fullfilled, unseen dependent, scan");
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}
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// Test that a seen dependent opion means the option is fulfilled.
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{
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cruft::cmdopt::parser p;
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int a_val = 0, b_val = 0;
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auto &a_opt = p.add<cruft::cmdopt::option::value<int>> ('a', "ay", "int value", a_val);
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auto &b_opt = p.add<cruft::cmdopt::option::value<int>> ('b', "be", "int value", b_val);
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b_opt.required(a_opt.is (1));
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static constexpr char const* argv[] = { "./cpptest", "-a", "1", "-b", "10"};
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tap.expect_nothrow ([&] () {
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p.scan (std::size (argv), argv);
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}, "fullfilled, unseen dependent, scan");
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tap.expect_eq (a_val, 1, "fulfilled, dependent value");
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tap.expect_eq (b_val, 10, "fulfilled, dependent value");
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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static
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void
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test_positional (cruft::TAP::logger &tap)
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{
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unsigned value = 0xdead;
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constexpr unsigned expected = 0xbeef;
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cruft::cmdopt::parser p;
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p.append<cruft::cmdopt::option::value<unsigned>> ("unsigned test", value);
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static const char *argv[] = {
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"./cpptest",
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"--",
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"48879",
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};
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tap.expect_nothrow ([&] {
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p.scan (std::size (argv), argv);
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}, "positional, nothrow");
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tap.expect_eq (value, expected, "positiona, value success");
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}
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///////////////////////////////////////////////////////////////////////////////
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int
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main (int, char **) {
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return cruft::TAP::logger::run ([] (auto &tap) {
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test_null (tap);
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test_present (tap);
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test_bool (tap);
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test_numeric< int16_t> (tap);
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test_numeric< int32_t> (tap);
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test_numeric< int64_t> (tap);
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test_numeric<uint16_t> (tap);
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test_numeric<uint32_t> (tap);
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test_numeric<uint64_t> (tap);
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test_bytes (tap);
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test_required (tap);
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test_fulfilled (tap);
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test_positional (tap);
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});
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}
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