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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include "cmdline_parser.h"
     18 #include "runtime/runtime_options.h"
     19 #include "runtime/parsed_options.h"
     20 
     21 #include "utils.h"
     22 #include <numeric>
     23 #include "gtest/gtest.h"
     24 #include "runtime/experimental_flags.h"
     25 
     26 #define EXPECT_NULL(expected) EXPECT_EQ(reinterpret_cast<const void*>(expected), \
     27                                         reinterpret_cast<void*>(nullptr));
     28 
     29 namespace art {
     30   bool UsuallyEquals(double expected, double actual);
     31 
     32   // This has a gtest dependency, which is why it's in the gtest only.
     33   bool operator==(const TestProfilerOptions& lhs, const TestProfilerOptions& rhs) {
     34     return lhs.enabled_ == rhs.enabled_ &&
     35         lhs.output_file_name_ == rhs.output_file_name_ &&
     36         lhs.period_s_ == rhs.period_s_ &&
     37         lhs.duration_s_ == rhs.duration_s_ &&
     38         lhs.interval_us_ == rhs.interval_us_ &&
     39         UsuallyEquals(lhs.backoff_coefficient_, rhs.backoff_coefficient_) &&
     40         UsuallyEquals(lhs.start_immediately_, rhs.start_immediately_) &&
     41         UsuallyEquals(lhs.top_k_threshold_, rhs.top_k_threshold_) &&
     42         UsuallyEquals(lhs.top_k_change_threshold_, rhs.top_k_change_threshold_) &&
     43         lhs.profile_type_ == rhs.profile_type_ &&
     44         lhs.max_stack_depth_ == rhs.max_stack_depth_;
     45   }
     46 
     47   bool UsuallyEquals(double expected, double actual) {
     48     using FloatingPoint = ::testing::internal::FloatingPoint<double>;
     49 
     50     FloatingPoint exp(expected);
     51     FloatingPoint act(actual);
     52 
     53     // Compare with ULPs instead of comparing with ==
     54     return exp.AlmostEquals(act);
     55   }
     56 
     57   template <typename T>
     58   bool UsuallyEquals(const T& expected, const T& actual,
     59                      typename std::enable_if<
     60                          detail::SupportsEqualityOperator<T>::value>::type* = 0) {
     61     return expected == actual;
     62   }
     63 
     64   // Try to use memcmp to compare simple plain-old-data structs.
     65   //
     66   // This should *not* generate false positives, but it can generate false negatives.
     67   // This will mostly work except for fields like float which can have different bit patterns
     68   // that are nevertheless equal.
     69   // If a test is failing because the structs aren't "equal" when they really are
     70   // then it's recommended to implement operator== for it instead.
     71   template <typename T, typename ... Ignore>
     72   bool UsuallyEquals(const T& expected, const T& actual,
     73                      const Ignore& ... more ATTRIBUTE_UNUSED,
     74                      typename std::enable_if<std::is_pod<T>::value>::type* = 0,
     75                      typename std::enable_if<!detail::SupportsEqualityOperator<T>::value>::type* = 0
     76                      ) {
     77     return memcmp(std::addressof(expected), std::addressof(actual), sizeof(T)) == 0;
     78   }
     79 
     80   bool UsuallyEquals(const XGcOption& expected, const XGcOption& actual) {
     81     return memcmp(std::addressof(expected), std::addressof(actual), sizeof(expected)) == 0;
     82   }
     83 
     84   bool UsuallyEquals(const char* expected, std::string actual) {
     85     return std::string(expected) == actual;
     86   }
     87 
     88   template <typename TMap, typename TKey, typename T>
     89   ::testing::AssertionResult IsExpectedKeyValue(const T& expected,
     90                                                 const TMap& map,
     91                                                 const TKey& key) {
     92     auto* actual = map.Get(key);
     93     if (actual != nullptr) {
     94       if (!UsuallyEquals(expected, *actual)) {
     95         return ::testing::AssertionFailure()
     96           << "expected " << detail::ToStringAny(expected) << " but got "
     97           << detail::ToStringAny(*actual);
     98       }
     99       return ::testing::AssertionSuccess();
    100     }
    101 
    102     return ::testing::AssertionFailure() << "key was not in the map";
    103   }
    104 
    105   template <typename TMap, typename TKey, typename T>
    106   ::testing::AssertionResult IsExpectedDefaultKeyValue(const T& expected,
    107                                                        const TMap& map,
    108                                                        const TKey& key) {
    109     const T& actual = map.GetOrDefault(key);
    110     if (!UsuallyEquals(expected, actual)) {
    111       return ::testing::AssertionFailure()
    112           << "expected " << detail::ToStringAny(expected) << " but got "
    113           << detail::ToStringAny(actual);
    114      }
    115     return ::testing::AssertionSuccess();
    116   }
    117 
    118 class CmdlineParserTest : public ::testing::Test {
    119  public:
    120   CmdlineParserTest() = default;
    121   ~CmdlineParserTest() = default;
    122 
    123  protected:
    124   using M = RuntimeArgumentMap;
    125   using RuntimeParser = ParsedOptions::RuntimeParser;
    126 
    127   static void SetUpTestCase() {
    128     art::InitLogging(nullptr);  // argv = null
    129   }
    130 
    131   virtual void SetUp() {
    132     parser_ = ParsedOptions::MakeParser(false);  // do not ignore unrecognized options
    133   }
    134 
    135   static ::testing::AssertionResult IsResultSuccessful(CmdlineResult result) {
    136     if (result.IsSuccess()) {
    137       return ::testing::AssertionSuccess();
    138     } else {
    139       return ::testing::AssertionFailure()
    140         << result.GetStatus() << " with: " << result.GetMessage();
    141     }
    142   }
    143 
    144   static ::testing::AssertionResult IsResultFailure(CmdlineResult result,
    145                                                     CmdlineResult::Status failure_status) {
    146     if (result.IsSuccess()) {
    147       return ::testing::AssertionFailure() << " got success but expected failure: "
    148           << failure_status;
    149     } else if (result.GetStatus() == failure_status) {
    150       return ::testing::AssertionSuccess();
    151     }
    152 
    153     return ::testing::AssertionFailure() << " expected failure " << failure_status
    154         << " but got " << result.GetStatus();
    155   }
    156 
    157   std::unique_ptr<RuntimeParser> parser_;
    158 };
    159 
    160 #define EXPECT_KEY_EXISTS(map, key) EXPECT_TRUE((map).Exists(key))
    161 #define EXPECT_KEY_VALUE(map, key, expected) EXPECT_TRUE(IsExpectedKeyValue(expected, map, key))
    162 #define EXPECT_DEFAULT_KEY_VALUE(map, key, expected) EXPECT_TRUE(IsExpectedDefaultKeyValue(expected, map, key))
    163 
    164 #define _EXPECT_SINGLE_PARSE_EMPTY_SUCCESS(argv)              \
    165   do {                                                        \
    166     EXPECT_TRUE(IsResultSuccessful(parser_->Parse(argv)));    \
    167     EXPECT_EQ(0u, parser_->GetArgumentsMap().Size());         \
    168 
    169 #define EXPECT_SINGLE_PARSE_EMPTY_SUCCESS(argv)               \
    170   _EXPECT_SINGLE_PARSE_EMPTY_SUCCESS(argv);                   \
    171   } while (false)
    172 
    173 #define EXPECT_SINGLE_PARSE_DEFAULT_VALUE(expected, argv, key)\
    174   _EXPECT_SINGLE_PARSE_EMPTY_SUCCESS(argv);                   \
    175     RuntimeArgumentMap args = parser_->ReleaseArgumentsMap(); \
    176     EXPECT_DEFAULT_KEY_VALUE(args, key, expected);            \
    177   } while (false)                                             // NOLINT [readability/namespace] [5]
    178 
    179 #define _EXPECT_SINGLE_PARSE_EXISTS(argv, key)                \
    180   do {                                                        \
    181     EXPECT_TRUE(IsResultSuccessful(parser_->Parse(argv)));    \
    182     RuntimeArgumentMap args = parser_->ReleaseArgumentsMap(); \
    183     EXPECT_EQ(1u, args.Size());                               \
    184     EXPECT_KEY_EXISTS(args, key);                             \
    185 
    186 #define EXPECT_SINGLE_PARSE_EXISTS(argv, key)                 \
    187     _EXPECT_SINGLE_PARSE_EXISTS(argv, key);                   \
    188   } while (false)
    189 
    190 #define EXPECT_SINGLE_PARSE_VALUE(expected, argv, key)        \
    191     _EXPECT_SINGLE_PARSE_EXISTS(argv, key);                   \
    192     EXPECT_KEY_VALUE(args, key, expected);                    \
    193   } while (false)                                             // NOLINT [readability/namespace] [5]
    194 
    195 #define EXPECT_SINGLE_PARSE_VALUE_STR(expected, argv, key)    \
    196   EXPECT_SINGLE_PARSE_VALUE(std::string(expected), argv, key)
    197 
    198 #define EXPECT_SINGLE_PARSE_FAIL(argv, failure_status)         \
    199     do {                                                       \
    200       EXPECT_TRUE(IsResultFailure(parser_->Parse(argv), failure_status));\
    201       RuntimeArgumentMap args = parser_->ReleaseArgumentsMap();\
    202       EXPECT_EQ(0u, args.Size());                              \
    203     } while (false)
    204 
    205 TEST_F(CmdlineParserTest, TestSimpleSuccesses) {
    206   auto& parser = *parser_;
    207 
    208   EXPECT_LT(0u, parser.CountDefinedArguments());
    209 
    210   {
    211     // Test case 1: No command line arguments
    212     EXPECT_TRUE(IsResultSuccessful(parser.Parse("")));
    213     RuntimeArgumentMap args = parser.ReleaseArgumentsMap();
    214     EXPECT_EQ(0u, args.Size());
    215   }
    216 
    217   EXPECT_SINGLE_PARSE_EXISTS("-Xzygote", M::Zygote);
    218   EXPECT_SINGLE_PARSE_VALUE_STR("/hello/world", "-Xbootclasspath:/hello/world", M::BootClassPath);
    219   EXPECT_SINGLE_PARSE_VALUE("/hello/world", "-Xbootclasspath:/hello/world", M::BootClassPath);
    220   EXPECT_SINGLE_PARSE_VALUE(Memory<1>(234), "-Xss234", M::StackSize);
    221   EXPECT_SINGLE_PARSE_VALUE(MemoryKiB(1234*MB), "-Xms1234m", M::MemoryInitialSize);
    222   EXPECT_SINGLE_PARSE_VALUE(true, "-XX:EnableHSpaceCompactForOOM", M::EnableHSpaceCompactForOOM);
    223   EXPECT_SINGLE_PARSE_VALUE(false, "-XX:DisableHSpaceCompactForOOM", M::EnableHSpaceCompactForOOM);
    224   EXPECT_SINGLE_PARSE_VALUE(0.5, "-XX:HeapTargetUtilization=0.5", M::HeapTargetUtilization);
    225   EXPECT_SINGLE_PARSE_VALUE(5u, "-XX:ParallelGCThreads=5", M::ParallelGCThreads);
    226   EXPECT_SINGLE_PARSE_EXISTS("-Xno-dex-file-fallback", M::NoDexFileFallback);
    227 }  // TEST_F
    228 
    229 TEST_F(CmdlineParserTest, TestSimpleFailures) {
    230   // Test argument is unknown to the parser
    231   EXPECT_SINGLE_PARSE_FAIL("abcdefg^%@#*(@#", CmdlineResult::kUnknown);
    232   // Test value map substitution fails
    233   EXPECT_SINGLE_PARSE_FAIL("-Xverify:whatever", CmdlineResult::kFailure);
    234   // Test value type parsing failures
    235   EXPECT_SINGLE_PARSE_FAIL("-Xsswhatever", CmdlineResult::kFailure);  // invalid memory value
    236   EXPECT_SINGLE_PARSE_FAIL("-Xms123", CmdlineResult::kFailure);       // memory value too small
    237   EXPECT_SINGLE_PARSE_FAIL("-XX:HeapTargetUtilization=0.0", CmdlineResult::kOutOfRange);  // toosmal
    238   EXPECT_SINGLE_PARSE_FAIL("-XX:HeapTargetUtilization=2.0", CmdlineResult::kOutOfRange);  // toolarg
    239   EXPECT_SINGLE_PARSE_FAIL("-XX:ParallelGCThreads=-5", CmdlineResult::kOutOfRange);  // too small
    240   EXPECT_SINGLE_PARSE_FAIL("-Xgc:blablabla", CmdlineResult::kUsage);  // not a valid suboption
    241 }  // TEST_F
    242 
    243 TEST_F(CmdlineParserTest, TestLogVerbosity) {
    244   {
    245     const char* log_args = "-verbose:"
    246         "class,compiler,gc,heap,jdwp,jni,monitor,profiler,signals,simulator,startup,"
    247         "third-party-jni,threads,verifier";
    248 
    249     LogVerbosity log_verbosity = LogVerbosity();
    250     log_verbosity.class_linker = true;
    251     log_verbosity.compiler = true;
    252     log_verbosity.gc = true;
    253     log_verbosity.heap = true;
    254     log_verbosity.jdwp = true;
    255     log_verbosity.jni = true;
    256     log_verbosity.monitor = true;
    257     log_verbosity.profiler = true;
    258     log_verbosity.signals = true;
    259     log_verbosity.simulator = true;
    260     log_verbosity.startup = true;
    261     log_verbosity.third_party_jni = true;
    262     log_verbosity.threads = true;
    263     log_verbosity.verifier = true;
    264 
    265     EXPECT_SINGLE_PARSE_VALUE(log_verbosity, log_args, M::Verbose);
    266   }
    267 
    268   {
    269     const char* log_args = "-verbose:"
    270         "class,compiler,gc,heap,jdwp,jni,monitor";
    271 
    272     LogVerbosity log_verbosity = LogVerbosity();
    273     log_verbosity.class_linker = true;
    274     log_verbosity.compiler = true;
    275     log_verbosity.gc = true;
    276     log_verbosity.heap = true;
    277     log_verbosity.jdwp = true;
    278     log_verbosity.jni = true;
    279     log_verbosity.monitor = true;
    280 
    281     EXPECT_SINGLE_PARSE_VALUE(log_verbosity, log_args, M::Verbose);
    282   }
    283 
    284   EXPECT_SINGLE_PARSE_FAIL("-verbose:blablabla", CmdlineResult::kUsage);  // invalid verbose opt
    285 
    286   {
    287     const char* log_args = "-verbose:deopt";
    288     LogVerbosity log_verbosity = LogVerbosity();
    289     log_verbosity.deopt = true;
    290     EXPECT_SINGLE_PARSE_VALUE(log_verbosity, log_args, M::Verbose);
    291   }
    292 
    293   {
    294     const char* log_args = "-verbose:collector";
    295     LogVerbosity log_verbosity = LogVerbosity();
    296     log_verbosity.collector = true;
    297     EXPECT_SINGLE_PARSE_VALUE(log_verbosity, log_args, M::Verbose);
    298   }
    299 
    300   {
    301     const char* log_args = "-verbose:oat";
    302     LogVerbosity log_verbosity = LogVerbosity();
    303     log_verbosity.oat = true;
    304     EXPECT_SINGLE_PARSE_VALUE(log_verbosity, log_args, M::Verbose);
    305   }
    306 }  // TEST_F
    307 
    308 // TODO: Enable this b/19274810
    309 TEST_F(CmdlineParserTest, DISABLED_TestXGcOption) {
    310   /*
    311    * Test success
    312    */
    313   {
    314     XGcOption option_all_true{};  // NOLINT [readability/braces] [4]
    315     option_all_true.collector_type_ = gc::CollectorType::kCollectorTypeCMS;
    316     option_all_true.verify_pre_gc_heap_ = true;
    317     option_all_true.verify_pre_sweeping_heap_ = true;
    318     option_all_true.verify_post_gc_heap_ = true;
    319     option_all_true.verify_pre_gc_rosalloc_ = true;
    320     option_all_true.verify_pre_sweeping_rosalloc_ = true;
    321     option_all_true.verify_post_gc_rosalloc_ = true;
    322 
    323     const char * xgc_args_all_true = "-Xgc:concurrent,"
    324         "preverify,presweepingverify,postverify,"
    325         "preverify_rosalloc,presweepingverify_rosalloc,"
    326         "postverify_rosalloc,precise,"
    327         "verifycardtable";
    328 
    329     EXPECT_SINGLE_PARSE_VALUE(option_all_true, xgc_args_all_true, M::GcOption);
    330 
    331     XGcOption option_all_false{};  // NOLINT [readability/braces] [4]
    332     option_all_false.collector_type_ = gc::CollectorType::kCollectorTypeMS;
    333     option_all_false.verify_pre_gc_heap_ = false;
    334     option_all_false.verify_pre_sweeping_heap_ = false;
    335     option_all_false.verify_post_gc_heap_ = false;
    336     option_all_false.verify_pre_gc_rosalloc_ = false;
    337     option_all_false.verify_pre_sweeping_rosalloc_ = false;
    338     option_all_false.verify_post_gc_rosalloc_ = false;
    339 
    340     const char* xgc_args_all_false = "-Xgc:nonconcurrent,"
    341         "nopreverify,nopresweepingverify,nopostverify,nopreverify_rosalloc,"
    342         "nopresweepingverify_rosalloc,nopostverify_rosalloc,noprecise,noverifycardtable";
    343 
    344     EXPECT_SINGLE_PARSE_VALUE(option_all_false, xgc_args_all_false, M::GcOption);
    345 
    346     XGcOption option_all_default{};  // NOLINT [readability/braces] [4]
    347 
    348     const char* xgc_args_blank = "-Xgc:";
    349     EXPECT_SINGLE_PARSE_VALUE(option_all_default, xgc_args_blank, M::GcOption);
    350   }
    351 
    352   /*
    353    * Test failures
    354    */
    355   EXPECT_SINGLE_PARSE_FAIL("-Xgc:blablabla", CmdlineResult::kUsage);  // invalid Xgc opt
    356 }  // TEST_F
    357 
    358 /*
    359  * {"-Xrunjdwp:_", "-agentlib:jdwp=_"}
    360  */
    361 TEST_F(CmdlineParserTest, TestJdwpOptions) {
    362   /*
    363    * Test success
    364    */
    365   {
    366     /*
    367      * "Example: -Xrunjdwp:transport=dt_socket,address=8000,server=y\n"
    368      */
    369     JDWP::JdwpOptions opt = JDWP::JdwpOptions();
    370     opt.transport = JDWP::JdwpTransportType::kJdwpTransportSocket;
    371     opt.port = 8000;
    372     opt.server = true;
    373 
    374     const char *opt_args = "-Xrunjdwp:transport=dt_socket,address=8000,server=y";
    375 
    376     EXPECT_SINGLE_PARSE_VALUE(opt, opt_args, M::JdwpOptions);
    377   }
    378 
    379   {
    380     /*
    381      * "Example: -agentlib:jdwp=transport=dt_socket,address=localhost:6500,server=n\n");
    382      */
    383     JDWP::JdwpOptions opt = JDWP::JdwpOptions();
    384     opt.transport = JDWP::JdwpTransportType::kJdwpTransportSocket;
    385     opt.host = "localhost";
    386     opt.port = 6500;
    387     opt.server = false;
    388 
    389     const char *opt_args = "-agentlib:jdwp=transport=dt_socket,address=localhost:6500,server=n";
    390 
    391     EXPECT_SINGLE_PARSE_VALUE(opt, opt_args, M::JdwpOptions);
    392   }
    393 
    394   /*
    395    * Test failures
    396    */
    397   EXPECT_SINGLE_PARSE_FAIL("-Xrunjdwp:help", CmdlineResult::kUsage);  // usage for help only
    398   EXPECT_SINGLE_PARSE_FAIL("-Xrunjdwp:blabla", CmdlineResult::kFailure);  // invalid subarg
    399   EXPECT_SINGLE_PARSE_FAIL("-agentlib:jdwp=help", CmdlineResult::kUsage);  // usage for help only
    400   EXPECT_SINGLE_PARSE_FAIL("-agentlib:jdwp=blabla", CmdlineResult::kFailure);  // invalid subarg
    401 }  // TEST_F
    402 
    403 /*
    404  * -D_ -D_ -D_ ...
    405  */
    406 TEST_F(CmdlineParserTest, TestPropertiesList) {
    407   /*
    408    * Test successes
    409    */
    410   {
    411     std::vector<std::string> opt = {"hello"};
    412 
    413     EXPECT_SINGLE_PARSE_VALUE(opt, "-Dhello", M::PropertiesList);
    414   }
    415 
    416   {
    417     std::vector<std::string> opt = {"hello", "world"};
    418 
    419     EXPECT_SINGLE_PARSE_VALUE(opt, "-Dhello -Dworld", M::PropertiesList);
    420   }
    421 
    422   {
    423     std::vector<std::string> opt = {"one", "two", "three"};
    424 
    425     EXPECT_SINGLE_PARSE_VALUE(opt, "-Done -Dtwo -Dthree", M::PropertiesList);
    426   }
    427 }  // TEST_F
    428 
    429 /*
    430 * -Xcompiler-option foo -Xcompiler-option bar ...
    431 */
    432 TEST_F(CmdlineParserTest, TestCompilerOption) {
    433  /*
    434   * Test successes
    435   */
    436   {
    437     std::vector<std::string> opt = {"hello"};
    438     EXPECT_SINGLE_PARSE_VALUE(opt, "-Xcompiler-option hello", M::CompilerOptions);
    439   }
    440 
    441   {
    442     std::vector<std::string> opt = {"hello", "world"};
    443     EXPECT_SINGLE_PARSE_VALUE(opt,
    444                               "-Xcompiler-option hello -Xcompiler-option world",
    445                               M::CompilerOptions);
    446   }
    447 
    448   {
    449     std::vector<std::string> opt = {"one", "two", "three"};
    450     EXPECT_SINGLE_PARSE_VALUE(opt,
    451                               "-Xcompiler-option one -Xcompiler-option two -Xcompiler-option three",
    452                               M::CompilerOptions);
    453   }
    454 }  // TEST_F
    455 
    456 /*
    457 * -Xjit, -Xnojit, -Xjitcodecachesize, Xjitcompilethreshold
    458 */
    459 TEST_F(CmdlineParserTest, TestJitOptions) {
    460  /*
    461   * Test successes
    462   */
    463   {
    464     EXPECT_SINGLE_PARSE_VALUE(true, "-Xusejit:true", M::UseJitCompilation);
    465     EXPECT_SINGLE_PARSE_VALUE(false, "-Xusejit:false", M::UseJitCompilation);
    466   }
    467   {
    468     EXPECT_SINGLE_PARSE_VALUE(
    469         MemoryKiB(16 * KB), "-Xjitinitialsize:16K", M::JITCodeCacheInitialCapacity);
    470     EXPECT_SINGLE_PARSE_VALUE(
    471         MemoryKiB(16 * MB), "-Xjitmaxsize:16M", M::JITCodeCacheMaxCapacity);
    472   }
    473   {
    474     EXPECT_SINGLE_PARSE_VALUE(12345u, "-Xjitthreshold:12345", M::JITCompileThreshold);
    475   }
    476 }  // TEST_F
    477 
    478 /*
    479 * -X-profile-*
    480 */
    481 TEST_F(CmdlineParserTest, TestProfilerOptions) {
    482  /*
    483   * Test successes
    484   */
    485 
    486   {
    487     TestProfilerOptions opt;
    488     opt.enabled_ = true;
    489 
    490     EXPECT_SINGLE_PARSE_VALUE(opt,
    491                               "-Xenable-profiler",
    492                               M::ProfilerOpts);
    493   }
    494 
    495   {
    496     TestProfilerOptions opt;
    497     // also need to test 'enabled'
    498     opt.output_file_name_ = "hello_world.txt";
    499 
    500     EXPECT_SINGLE_PARSE_VALUE(opt,
    501                               "-Xprofile-filename:hello_world.txt ",
    502                               M::ProfilerOpts);
    503   }
    504 
    505   {
    506     TestProfilerOptions opt = TestProfilerOptions();
    507     // also need to test 'enabled'
    508     opt.output_file_name_ = "output.txt";
    509     opt.period_s_ = 123u;
    510     opt.duration_s_ = 456u;
    511     opt.interval_us_ = 789u;
    512     opt.backoff_coefficient_ = 2.0;
    513     opt.start_immediately_ = true;
    514     opt.top_k_threshold_ = 50.0;
    515     opt.top_k_change_threshold_ = 60.0;
    516     opt.profile_type_ = kProfilerMethod;
    517     opt.max_stack_depth_ = 1337u;
    518 
    519     EXPECT_SINGLE_PARSE_VALUE(opt,
    520                               "-Xprofile-filename:output.txt "
    521                               "-Xprofile-period:123 "
    522                               "-Xprofile-duration:456 "
    523                               "-Xprofile-interval:789 "
    524                               "-Xprofile-backoff:2.0 "
    525                               "-Xprofile-start-immediately "
    526                               "-Xprofile-top-k-threshold:50.0 "
    527                               "-Xprofile-top-k-change-threshold:60.0 "
    528                               "-Xprofile-type:method "
    529                               "-Xprofile-max-stack-depth:1337",
    530                               M::ProfilerOpts);
    531   }
    532 
    533   {
    534     TestProfilerOptions opt = TestProfilerOptions();
    535     opt.profile_type_ = kProfilerBoundedStack;
    536 
    537     EXPECT_SINGLE_PARSE_VALUE(opt,
    538                               "-Xprofile-type:stack",
    539                               M::ProfilerOpts);
    540   }
    541 }  // TEST_F
    542 
    543 /* -Xexperimental:_ */
    544 TEST_F(CmdlineParserTest, TestExperimentalFlags) {
    545   // Default
    546   EXPECT_SINGLE_PARSE_DEFAULT_VALUE(ExperimentalFlags::kNone,
    547                                     "",
    548                                     M::Experimental);
    549 
    550   // Disabled explicitly
    551   EXPECT_SINGLE_PARSE_VALUE(ExperimentalFlags::kNone,
    552                             "-Xexperimental:none",
    553                             M::Experimental);
    554 
    555   // Enabled explicitly
    556   EXPECT_SINGLE_PARSE_VALUE(ExperimentalFlags::kLambdas,
    557                             "-Xexperimental:lambdas",
    558                             M::Experimental);
    559 }
    560 
    561 // -Xverify:_
    562 TEST_F(CmdlineParserTest, TestVerify) {
    563   EXPECT_SINGLE_PARSE_VALUE(verifier::VerifyMode::kNone,     "-Xverify:none",     M::Verify);
    564   EXPECT_SINGLE_PARSE_VALUE(verifier::VerifyMode::kEnable,   "-Xverify:remote",   M::Verify);
    565   EXPECT_SINGLE_PARSE_VALUE(verifier::VerifyMode::kEnable,   "-Xverify:all",      M::Verify);
    566   EXPECT_SINGLE_PARSE_VALUE(verifier::VerifyMode::kSoftFail, "-Xverify:softfail", M::Verify);
    567 }
    568 
    569 TEST_F(CmdlineParserTest, TestIgnoreUnrecognized) {
    570   RuntimeParser::Builder parserBuilder;
    571 
    572   parserBuilder
    573       .Define("-help")
    574           .IntoKey(M::Help)
    575       .IgnoreUnrecognized(true);
    576 
    577   parser_.reset(new RuntimeParser(parserBuilder.Build()));
    578 
    579   EXPECT_SINGLE_PARSE_EMPTY_SUCCESS("-non-existent-option");
    580   EXPECT_SINGLE_PARSE_EMPTY_SUCCESS("-non-existent-option1 --non-existent-option-2");
    581 }  //  TEST_F
    582 
    583 TEST_F(CmdlineParserTest, TestIgnoredArguments) {
    584   std::initializer_list<const char*> ignored_args = {
    585       "-ea", "-da", "-enableassertions", "-disableassertions", "--runtime-arg", "-esa",
    586       "-dsa", "-enablesystemassertions", "-disablesystemassertions", "-Xrs", "-Xint:abdef",
    587       "-Xdexopt:foobar", "-Xnoquithandler", "-Xjnigreflimit:ixnay", "-Xgenregmap", "-Xnogenregmap",
    588       "-Xverifyopt:never", "-Xcheckdexsum", "-Xincludeselectedop", "-Xjitop:noop",
    589       "-Xincludeselectedmethod", "-Xjitblocking", "-Xjitmethod:_", "-Xjitclass:nosuchluck",
    590       "-Xjitoffset:none", "-Xjitconfig:yes", "-Xjitcheckcg", "-Xjitverbose", "-Xjitprofile",
    591       "-Xjitdisableopt", "-Xjitsuspendpoll", "-XX:mainThreadStackSize=1337"
    592   };
    593 
    594   // Check they are ignored when parsed one at a time
    595   for (auto&& arg : ignored_args) {
    596     SCOPED_TRACE(arg);
    597     EXPECT_SINGLE_PARSE_EMPTY_SUCCESS(arg);
    598   }
    599 
    600   // Check they are ignored when we pass it all together at once
    601   std::vector<const char*> argv = ignored_args;
    602   EXPECT_SINGLE_PARSE_EMPTY_SUCCESS(argv);
    603 }  //  TEST_F
    604 
    605 TEST_F(CmdlineParserTest, MultipleArguments) {
    606   EXPECT_TRUE(IsResultSuccessful(parser_->Parse(
    607       "-help -XX:ForegroundHeapGrowthMultiplier=0.5 "
    608       "-Xnodex2oat -Xmethod-trace -XX:LargeObjectSpace=map")));
    609 
    610   auto&& map = parser_->ReleaseArgumentsMap();
    611   EXPECT_EQ(5u, map.Size());
    612   EXPECT_KEY_VALUE(map, M::Help, Unit{});  // NOLINT [whitespace/braces] [5]
    613   EXPECT_KEY_VALUE(map, M::ForegroundHeapGrowthMultiplier, 0.5);
    614   EXPECT_KEY_VALUE(map, M::Dex2Oat, false);
    615   EXPECT_KEY_VALUE(map, M::MethodTrace, Unit{});  // NOLINT [whitespace/braces] [5]
    616   EXPECT_KEY_VALUE(map, M::LargeObjectSpace, gc::space::LargeObjectSpaceType::kMap);
    617 }  //  TEST_F
    618 }  // namespace art
    619