aboutsummaryrefslogtreecommitdiffstats
path: root/utils/cmdline/parser_test.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'utils/cmdline/parser_test.cpp')
-rw-r--r--utils/cmdline/parser_test.cpp688
1 files changed, 688 insertions, 0 deletions
diff --git a/utils/cmdline/parser_test.cpp b/utils/cmdline/parser_test.cpp
new file mode 100644
index 000000000000..96370d279d2e
--- /dev/null
+++ b/utils/cmdline/parser_test.cpp
@@ -0,0 +1,688 @@
+// Copyright 2010 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+// may be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "utils/cmdline/parser.ipp"
+
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
+
+extern "C" {
+#include <fcntl.h>
+#include <getopt.h>
+#include <unistd.h>
+}
+
+#include <cstdlib>
+#include <cstring>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <utility>
+
+#include <atf-c++.hpp>
+
+#include "utils/cmdline/exceptions.hpp"
+#include "utils/cmdline/options.hpp"
+#include "utils/format/macros.hpp"
+#include "utils/sanity.hpp"
+
+namespace cmdline = utils::cmdline;
+
+using cmdline::base_option;
+using cmdline::bool_option;
+using cmdline::int_option;
+using cmdline::parse;
+using cmdline::parsed_cmdline;
+using cmdline::string_option;
+
+
+namespace {
+
+
+/// Mock option type to check the validate and convert methods sequence.
+///
+/// Instances of this option accept a string argument that must be either "zero"
+/// or "one". These are validated and converted to integers.
+class mock_option : public base_option {
+public:
+ /// Constructs the new option.
+ ///
+ /// \param long_name_ The long name for the option. All other option
+ /// properties are irrelevant for the tests using this, so they are set
+ /// to arbitrary values.
+ mock_option(const char* long_name_) :
+ base_option(long_name_, "Irrelevant description", "arg")
+ {
+ }
+
+ /// The type of the argument of this option.
+ typedef int option_type;
+
+ /// Checks that the user-provided option is valid.
+ ///
+ /// \param str The user argument; must be "zero" or "one".
+ ///
+ /// \throw cmdline::option_argument_value_error If str is not valid.
+ void
+ validate(const std::string& str) const
+ {
+ if (str != "zero" && str != "one")
+ throw cmdline::option_argument_value_error(F("--%s") % long_name(),
+ str, "Unknown value");
+ }
+
+ /// Converts the user-provided argument to our native integer type.
+ ///
+ /// \param str The user argument; must be "zero" or "one".
+ ///
+ /// \return 0 if the input is "zero", or 1 if the input is "one".
+ ///
+ /// \throw std::runtime_error If str is not valid. In real life, this
+ /// should be a precondition because validate() has already ensured that
+ /// the values passed to convert() are correct. However, we raise an
+ /// exception here because we are actually validating that this code
+ /// sequence holds true.
+ static int
+ convert(const std::string& str)
+ {
+ if (str == "zero")
+ return 0;
+ else if (str == "one")
+ return 1;
+ else {
+ // This would generally be an assertion but, given that this is
+ // test code, we want to catch any errors regardless of how the
+ // binary is built.
+ throw std::runtime_error("Value not validated properly.");
+ }
+ }
+};
+
+
+/// Redirects stdout and stderr to a file.
+///
+/// This fails the test case in case of any error.
+///
+/// \param file The name of the file to redirect stdout and stderr to.
+///
+/// \return A copy of the old stdout and stderr file descriptors.
+static std::pair< int, int >
+mock_stdfds(const char* file)
+{
+ std::cout.flush();
+ std::cerr.flush();
+
+ const int oldout = ::dup(STDOUT_FILENO);
+ ATF_REQUIRE(oldout != -1);
+ const int olderr = ::dup(STDERR_FILENO);
+ ATF_REQUIRE(olderr != -1);
+
+ const int fd = ::open(file, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+ ATF_REQUIRE(fd != -1);
+ ATF_REQUIRE(::dup2(fd, STDOUT_FILENO) != -1);
+ ATF_REQUIRE(::dup2(fd, STDERR_FILENO) != -1);
+ ::close(fd);
+
+ return std::make_pair(oldout, olderr);
+}
+
+
+/// Restores stdout and stderr after a call to mock_stdfds.
+///
+/// \param oldfds The copy of the previous stdout and stderr as returned by the
+/// call to mock_fds().
+static void
+restore_stdfds(const std::pair< int, int >& oldfds)
+{
+ ATF_REQUIRE(::dup2(oldfds.first, STDOUT_FILENO) != -1);
+ ::close(oldfds.first);
+ ATF_REQUIRE(::dup2(oldfds.second, STDERR_FILENO) != -1);
+ ::close(oldfds.second);
+}
+
+
+/// Checks whether a '+:' prefix to the short options of getopt_long works.
+///
+/// It turns out that the getopt_long(3) implementation of Ubuntu 10.04.1 (and
+/// very likely other distributions) does not properly report a missing argument
+/// to a second long option as such. Instead of returning ':' when the second
+/// long option provided on the command line does not carry a required argument,
+/// it will mistakenly return '?' which translates to "unknown option".
+///
+/// As a result of this bug, we cannot properly detect that 'flag2' requires an
+/// argument in a command line like: 'progname --flag1=foo --flag2'.
+///
+/// I am not sure if we could fully workaround the issue in the implementation
+/// of our library. For the time being I am just using this bug detection in
+/// the test cases to prevent failures that are not really our fault.
+///
+/// \return bool True if getopt_long is broken and does not interpret '+:'
+/// correctly; False otherwise.
+static bool
+is_getopt_long_pluscolon_broken(void)
+{
+ struct ::option long_options[] = {
+ { "flag1", 1, NULL, '1' },
+ { "flag2", 1, NULL, '2' },
+ { NULL, 0, NULL, 0 }
+ };
+
+ const int argc = 3;
+ char* argv[4];
+ argv[0] = ::strdup("progname");
+ argv[1] = ::strdup("--flag1=a");
+ argv[2] = ::strdup("--flag2");
+ argv[3] = NULL;
+
+ const int old_opterr = ::opterr;
+ ::opterr = 0;
+
+ bool got_colon = false;
+
+ int opt;
+ while ((opt = ::getopt_long(argc, argv, "+:", long_options, NULL)) != -1) {
+ switch (opt) {
+ case '1': break;
+ case '2': break;
+ case ':': got_colon = true; break;
+ case '?': break;
+ default: UNREACHABLE; break;
+ }
+ }
+
+ ::opterr = old_opterr;
+ ::optind = 1;
+#if defined(HAVE_GETOPT_WITH_OPTRESET)
+ ::optreset = 1;
+#endif
+
+ for (char** arg = &argv[0]; *arg != NULL; arg++)
+ std::free(*arg);
+
+ return !got_colon;
+}
+
+
+} // anonymous namespace
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(progname__no_options);
+ATF_TEST_CASE_BODY(progname__no_options)
+{
+ const int argc = 1;
+ const char* const argv[] = {"progname", NULL};
+ std::vector< const base_option* > options;
+ const parsed_cmdline cmdline = parse(argc, argv, options);
+
+ ATF_REQUIRE(cmdline.arguments().empty());
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(progname__some_options);
+ATF_TEST_CASE_BODY(progname__some_options)
+{
+ const int argc = 1;
+ const char* const argv[] = {"progname", NULL};
+ const string_option a('a', "a_option", "Foo", NULL);
+ const string_option b('b', "b_option", "Bar", "arg", "foo");
+ const string_option c("c_option", "Baz", NULL);
+ const string_option d("d_option", "Wohoo", "arg", "bar");
+ std::vector< const base_option* > options;
+ options.push_back(&a);
+ options.push_back(&b);
+ options.push_back(&c);
+ options.push_back(&d);
+ const parsed_cmdline cmdline = parse(argc, argv, options);
+
+ ATF_REQUIRE_EQ("foo", cmdline.get_option< string_option >("b_option"));
+ ATF_REQUIRE_EQ("bar", cmdline.get_option< string_option >("d_option"));
+ ATF_REQUIRE(cmdline.arguments().empty());
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(some_args__no_options);
+ATF_TEST_CASE_BODY(some_args__no_options)
+{
+ const int argc = 5;
+ const char* const argv[] = {"progname", "foo", "-c", "--opt", "bar", NULL};
+ std::vector< const base_option* > options;
+ const parsed_cmdline cmdline = parse(argc, argv, options);
+
+ ATF_REQUIRE(!cmdline.has_option("c"));
+ ATF_REQUIRE(!cmdline.has_option("opt"));
+ ATF_REQUIRE_EQ(4, cmdline.arguments().size());
+ ATF_REQUIRE_EQ("foo", cmdline.arguments()[0]);
+ ATF_REQUIRE_EQ("-c", cmdline.arguments()[1]);
+ ATF_REQUIRE_EQ("--opt", cmdline.arguments()[2]);
+ ATF_REQUIRE_EQ("bar", cmdline.arguments()[3]);
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(some_args__some_options);
+ATF_TEST_CASE_BODY(some_args__some_options)
+{
+ const int argc = 5;
+ const char* const argv[] = {"progname", "foo", "-c", "--opt", "bar", NULL};
+ const string_option c('c', "opt", "Description", NULL);
+ std::vector< const base_option* > options;
+ options.push_back(&c);
+ const parsed_cmdline cmdline = parse(argc, argv, options);
+
+ ATF_REQUIRE(!cmdline.has_option("c"));
+ ATF_REQUIRE(!cmdline.has_option("opt"));
+ ATF_REQUIRE_EQ(4, cmdline.arguments().size());
+ ATF_REQUIRE_EQ("foo", cmdline.arguments()[0]);
+ ATF_REQUIRE_EQ("-c", cmdline.arguments()[1]);
+ ATF_REQUIRE_EQ("--opt", cmdline.arguments()[2]);
+ ATF_REQUIRE_EQ("bar", cmdline.arguments()[3]);
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(some_options__all_known);
+ATF_TEST_CASE_BODY(some_options__all_known)
+{
+ const int argc = 14;
+ const char* const argv[] = {
+ "progname",
+ "-a",
+ "-bvalue_b",
+ "-c", "value_c",
+ //"-d", // Options with default optional values are unsupported.
+ "-evalue_e", // Has default; overriden.
+ "--f_long",
+ "--g_long=value_g",
+ "--h_long", "value_h",
+ //"--i_long", // Options with default optional values are unsupported.
+ "--j_long", "value_j", // Has default; overriden as separate argument.
+ "arg1", "arg2", NULL,
+ };
+ const bool_option a('a', "a_long", "");
+ const string_option b('b', "b_long", "Description", "arg");
+ const string_option c('c', "c_long", "ABCD", "foo");
+ const string_option d('d', "d_long", "Description", "bar", "default_d");
+ const string_option e('e', "e_long", "Description", "baz", "default_e");
+ const bool_option f("f_long", "Description");
+ const string_option g("g_long", "Description", "arg");
+ const string_option h("h_long", "Description", "foo");
+ const string_option i("i_long", "EFGH", "bar", "default_i");
+ const string_option j("j_long", "Description", "baz", "default_j");
+ std::vector< const base_option* > options;
+ options.push_back(&a);
+ options.push_back(&b);
+ options.push_back(&c);
+ options.push_back(&d);
+ options.push_back(&e);
+ options.push_back(&f);
+ options.push_back(&g);
+ options.push_back(&h);
+ options.push_back(&i);
+ options.push_back(&j);
+ const parsed_cmdline cmdline = parse(argc, argv, options);
+
+ ATF_REQUIRE(cmdline.has_option("a_long"));
+ ATF_REQUIRE_EQ("value_b", cmdline.get_option< string_option >("b_long"));
+ ATF_REQUIRE_EQ("value_c", cmdline.get_option< string_option >("c_long"));
+ ATF_REQUIRE_EQ("default_d", cmdline.get_option< string_option >("d_long"));
+ ATF_REQUIRE_EQ("value_e", cmdline.get_option< string_option >("e_long"));
+ ATF_REQUIRE(cmdline.has_option("f_long"));
+ ATF_REQUIRE_EQ("value_g", cmdline.get_option< string_option >("g_long"));
+ ATF_REQUIRE_EQ("value_h", cmdline.get_option< string_option >("h_long"));
+ ATF_REQUIRE_EQ("default_i", cmdline.get_option< string_option >("i_long"));
+ ATF_REQUIRE_EQ("value_j", cmdline.get_option< string_option >("j_long"));
+ ATF_REQUIRE_EQ(2, cmdline.arguments().size());
+ ATF_REQUIRE_EQ("arg1", cmdline.arguments()[0]);
+ ATF_REQUIRE_EQ("arg2", cmdline.arguments()[1]);
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(some_options__multi);
+ATF_TEST_CASE_BODY(some_options__multi)
+{
+ const int argc = 9;
+ const char* const argv[] = {
+ "progname",
+ "-a1",
+ "-bvalue1",
+ "-a2",
+ "--a_long=3",
+ "-bvalue2",
+ "--b_long=value3",
+ "arg1", "arg2", NULL,
+ };
+ const int_option a('a', "a_long", "Description", "arg");
+ const string_option b('b', "b_long", "Description", "arg");
+ std::vector< const base_option* > options;
+ options.push_back(&a);
+ options.push_back(&b);
+ const parsed_cmdline cmdline = parse(argc, argv, options);
+
+ {
+ ATF_REQUIRE_EQ(3, cmdline.get_option< int_option >("a_long"));
+ const std::vector< int > multi =
+ cmdline.get_multi_option< int_option >("a_long");
+ ATF_REQUIRE_EQ(3, multi.size());
+ ATF_REQUIRE_EQ(1, multi[0]);
+ ATF_REQUIRE_EQ(2, multi[1]);
+ ATF_REQUIRE_EQ(3, multi[2]);
+ }
+
+ {
+ ATF_REQUIRE_EQ("value3", cmdline.get_option< string_option >("b_long"));
+ const std::vector< std::string > multi =
+ cmdline.get_multi_option< string_option >("b_long");
+ ATF_REQUIRE_EQ(3, multi.size());
+ ATF_REQUIRE_EQ("value1", multi[0]);
+ ATF_REQUIRE_EQ("value2", multi[1]);
+ ATF_REQUIRE_EQ("value3", multi[2]);
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(subcommands);
+ATF_TEST_CASE_BODY(subcommands)
+{
+ const int argc = 5;
+ const char* const argv[] = {"progname", "--flag1", "subcommand",
+ "--flag2", "arg", NULL};
+ const bool_option flag1("flag1", "");
+ std::vector< const base_option* > options;
+ options.push_back(&flag1);
+ const parsed_cmdline cmdline = parse(argc, argv, options);
+
+ ATF_REQUIRE( cmdline.has_option("flag1"));
+ ATF_REQUIRE(!cmdline.has_option("flag2"));
+ ATF_REQUIRE_EQ(3, cmdline.arguments().size());
+ ATF_REQUIRE_EQ("subcommand", cmdline.arguments()[0]);
+ ATF_REQUIRE_EQ("--flag2", cmdline.arguments()[1]);
+ ATF_REQUIRE_EQ("arg", cmdline.arguments()[2]);
+
+ const bool_option flag2("flag2", "");
+ std::vector< const base_option* > options2;
+ options2.push_back(&flag2);
+ const parsed_cmdline cmdline2 = parse(cmdline.arguments(), options2);
+
+ ATF_REQUIRE(!cmdline2.has_option("flag1"));
+ ATF_REQUIRE( cmdline2.has_option("flag2"));
+ ATF_REQUIRE_EQ(1, cmdline2.arguments().size());
+ ATF_REQUIRE_EQ("arg", cmdline2.arguments()[0]);
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(missing_option_argument_error__short);
+ATF_TEST_CASE_BODY(missing_option_argument_error__short)
+{
+ const int argc = 3;
+ const char* const argv[] = {"progname", "-a3", "-b", NULL};
+ const string_option flag1('a', "flag1", "Description", "arg");
+ const string_option flag2('b', "flag2", "Description", "arg");
+ std::vector< const base_option* > options;
+ options.push_back(&flag1);
+ options.push_back(&flag2);
+
+ try {
+ parse(argc, argv, options);
+ fail("missing_option_argument_error not raised");
+ } catch (const cmdline::missing_option_argument_error& e) {
+ ATF_REQUIRE_EQ("-b", e.option());
+ } catch (const cmdline::unknown_option_error& e) {
+ if (is_getopt_long_pluscolon_broken())
+ expect_fail("Your getopt_long is broken");
+ fail("Got unknown_option_error instead of "
+ "missing_option_argument_error");
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(missing_option_argument_error__shortblock);
+ATF_TEST_CASE_BODY(missing_option_argument_error__shortblock)
+{
+ const int argc = 3;
+ const char* const argv[] = {"progname", "-ab3", "-ac", NULL};
+ const bool_option flag1('a', "flag1", "Description");
+ const string_option flag2('b', "flag2", "Description", "arg");
+ const string_option flag3('c', "flag2", "Description", "arg");
+ std::vector< const base_option* > options;
+ options.push_back(&flag1);
+ options.push_back(&flag2);
+ options.push_back(&flag3);
+
+ try {
+ parse(argc, argv, options);
+ fail("missing_option_argument_error not raised");
+ } catch (const cmdline::missing_option_argument_error& e) {
+ ATF_REQUIRE_EQ("-c", e.option());
+ } catch (const cmdline::unknown_option_error& e) {
+ if (is_getopt_long_pluscolon_broken())
+ expect_fail("Your getopt_long is broken");
+ fail("Got unknown_option_error instead of "
+ "missing_option_argument_error");
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(missing_option_argument_error__long);
+ATF_TEST_CASE_BODY(missing_option_argument_error__long)
+{
+ const int argc = 3;
+ const char* const argv[] = {"progname", "--flag1=a", "--flag2", NULL};
+ const string_option flag1("flag1", "Description", "arg");
+ const string_option flag2("flag2", "Description", "arg");
+ std::vector< const base_option* > options;
+ options.push_back(&flag1);
+ options.push_back(&flag2);
+
+ try {
+ parse(argc, argv, options);
+ fail("missing_option_argument_error not raised");
+ } catch (const cmdline::missing_option_argument_error& e) {
+ ATF_REQUIRE_EQ("--flag2", e.option());
+ } catch (const cmdline::unknown_option_error& e) {
+ if (is_getopt_long_pluscolon_broken())
+ expect_fail("Your getopt_long is broken");
+ fail("Got unknown_option_error instead of "
+ "missing_option_argument_error");
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(unknown_option_error__short);
+ATF_TEST_CASE_BODY(unknown_option_error__short)
+{
+ const int argc = 3;
+ const char* const argv[] = {"progname", "-a", "-b", NULL};
+ const bool_option flag1('a', "flag1", "Description");
+ std::vector< const base_option* > options;
+ options.push_back(&flag1);
+
+ try {
+ parse(argc, argv, options);
+ fail("unknown_option_error not raised");
+ } catch (const cmdline::unknown_option_error& e) {
+ ATF_REQUIRE_EQ("-b", e.option());
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(unknown_option_error__shortblock);
+ATF_TEST_CASE_BODY(unknown_option_error__shortblock)
+{
+ const int argc = 3;
+ const char* const argv[] = {"progname", "-a", "-bdc", NULL};
+ const bool_option flag1('a', "flag1", "Description");
+ const bool_option flag2('b', "flag2", "Description");
+ const bool_option flag3('c', "flag3", "Description");
+ std::vector< const base_option* > options;
+ options.push_back(&flag1);
+ options.push_back(&flag2);
+ options.push_back(&flag3);
+
+ try {
+ parse(argc, argv, options);
+ fail("unknown_option_error not raised");
+ } catch (const cmdline::unknown_option_error& e) {
+ ATF_REQUIRE_EQ("-d", e.option());
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(unknown_option_error__long);
+ATF_TEST_CASE_BODY(unknown_option_error__long)
+{
+ const int argc = 3;
+ const char* const argv[] = {"progname", "--flag1=a", "--flag2", NULL};
+ const string_option flag1("flag1", "Description", "arg");
+ std::vector< const base_option* > options;
+ options.push_back(&flag1);
+
+ try {
+ parse(argc, argv, options);
+ fail("unknown_option_error not raised");
+ } catch (const cmdline::unknown_option_error& e) {
+ ATF_REQUIRE_EQ("--flag2", e.option());
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(unknown_plus_option_error);
+ATF_TEST_CASE_BODY(unknown_plus_option_error)
+{
+ const int argc = 2;
+ const char* const argv[] = {"progname", "-+", NULL};
+ const cmdline::options_vector options;
+
+ try {
+ parse(argc, argv, options);
+ fail("unknown_option_error not raised");
+ } catch (const cmdline::unknown_option_error& e) {
+ ATF_REQUIRE_EQ("-+", e.option());
+ } catch (const cmdline::missing_option_argument_error& e) {
+ fail("Looks like getopt_long thinks a + option is defined and it "
+ "even requires an argument");
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(option_types);
+ATF_TEST_CASE_BODY(option_types)
+{
+ const int argc = 3;
+ const char* const argv[] = {"progname", "--flag1=a", "--flag2=one", NULL};
+ const string_option flag1("flag1", "The flag1", "arg");
+ const mock_option flag2("flag2");
+ std::vector< const base_option* > options;
+ options.push_back(&flag1);
+ options.push_back(&flag2);
+
+ const parsed_cmdline cmdline = parse(argc, argv, options);
+
+ ATF_REQUIRE(cmdline.has_option("flag1"));
+ ATF_REQUIRE(cmdline.has_option("flag2"));
+ ATF_REQUIRE_EQ("a", cmdline.get_option< string_option >("flag1"));
+ ATF_REQUIRE_EQ(1, cmdline.get_option< mock_option >("flag2"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(option_validation_error);
+ATF_TEST_CASE_BODY(option_validation_error)
+{
+ const int argc = 3;
+ const char* const argv[] = {"progname", "--flag1=zero", "--flag2=foo",
+ NULL};
+ const mock_option flag1("flag1");
+ const mock_option flag2("flag2");
+ std::vector< const base_option* > options;
+ options.push_back(&flag1);
+ options.push_back(&flag2);
+
+ try {
+ parse(argc, argv, options);
+ fail("option_argument_value_error not raised");
+ } catch (const cmdline::option_argument_value_error& e) {
+ ATF_REQUIRE_EQ("--flag2", e.option());
+ ATF_REQUIRE_EQ("foo", e.argument());
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(silent_errors);
+ATF_TEST_CASE_BODY(silent_errors)
+{
+ const int argc = 2;
+ const char* const argv[] = {"progname", "-h", NULL};
+ cmdline::options_vector options;
+
+ try {
+ std::pair< int, int > oldfds = mock_stdfds("output.txt");
+ try {
+ parse(argc, argv, options);
+ } catch (...) {
+ restore_stdfds(oldfds);
+ throw;
+ }
+ restore_stdfds(oldfds);
+ fail("unknown_option_error not raised");
+ } catch (const cmdline::unknown_option_error& e) {
+ ATF_REQUIRE_EQ("-h", e.option());
+ }
+
+ std::ifstream input("output.txt");
+ ATF_REQUIRE(input);
+
+ bool has_output = false;
+ std::string line;
+ while (std::getline(input, line).good()) {
+ std::cout << line << '\n';
+ has_output = true;
+ }
+
+ if (has_output)
+ fail("getopt_long printed messages on stdout/stderr by itself");
+}
+
+
+ATF_INIT_TEST_CASES(tcs)
+{
+ ATF_ADD_TEST_CASE(tcs, progname__no_options);
+ ATF_ADD_TEST_CASE(tcs, progname__some_options);
+ ATF_ADD_TEST_CASE(tcs, some_args__no_options);
+ ATF_ADD_TEST_CASE(tcs, some_args__some_options);
+ ATF_ADD_TEST_CASE(tcs, some_options__all_known);
+ ATF_ADD_TEST_CASE(tcs, some_options__multi);
+ ATF_ADD_TEST_CASE(tcs, subcommands);
+ ATF_ADD_TEST_CASE(tcs, missing_option_argument_error__short);
+ ATF_ADD_TEST_CASE(tcs, missing_option_argument_error__shortblock);
+ ATF_ADD_TEST_CASE(tcs, missing_option_argument_error__long);
+ ATF_ADD_TEST_CASE(tcs, unknown_option_error__short);
+ ATF_ADD_TEST_CASE(tcs, unknown_option_error__shortblock);
+ ATF_ADD_TEST_CASE(tcs, unknown_option_error__long);
+ ATF_ADD_TEST_CASE(tcs, unknown_plus_option_error);
+ ATF_ADD_TEST_CASE(tcs, option_types);
+ ATF_ADD_TEST_CASE(tcs, option_validation_error);
+ ATF_ADD_TEST_CASE(tcs, silent_errors);
+}