Index: tools/nixysa/third_party/gflags-1.0/src/gflags_unittest-main.cc |
=================================================================== |
--- tools/nixysa/third_party/gflags-1.0/src/gflags_unittest-main.cc (revision 0) |
+++ tools/nixysa/third_party/gflags-1.0/src/gflags_unittest-main.cc (revision 0) |
@@ -0,0 +1,1511 @@ |
+// Copyright (c) 2006, Google Inc. |
+// 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. |
+ |
+// --- |
+// Author: Marius Eriksen |
+// |
+// For now, this unit test does not cover all features of |
+// gflags.cc |
+ |
+#include "config.h" |
+#include <stdio.h> |
+#include <stdlib.h> // for &exit |
+#include <string.h> |
+#include <unistd.h> // for unlink() |
+#include <sys/stat.h> // for mkdir() |
+#include <math.h> // for isinf() and isnan() |
+#include <vector> |
+#include <string> |
+#include "gflags/gflags.h" |
+// I don't actually use this header file, but #include it under the |
+// old location to make sure that the include-header-forwarding |
+// works. |
+#include "google/gflags_completions.h" |
+void (*unused_fn)() = &GOOGLE_NAMESPACE::HandleCommandLineCompletions; |
+ |
+using std::vector; |
+using std::string; |
+using GOOGLE_NAMESPACE::int32; |
+using GOOGLE_NAMESPACE::FlagRegisterer; |
+ |
+// Returns the number of elements in an array. |
+#define GET_ARRAY_SIZE(arr) (sizeof(arr)/sizeof(*(arr))) |
+ |
+DECLARE_string(tryfromenv); // in gflags.cc |
+ |
+DEFINE_string(test_tmpdir, "/tmp/gflags_unittest", "Dir we use for temp files"); |
+DEFINE_string(srcdir, GOOGLE_NAMESPACE::StringFromEnv("SRCDIR", "."), |
+ "Source-dir root, needed to find gflags_unittest_flagfile"); |
+ |
+ |
+DEFINE_bool(test_bool, false, "tests bool-ness"); |
+DEFINE_int32(test_int32, -1, ""); |
+DEFINE_int64(test_int64, -2, ""); |
+DEFINE_uint64(test_uint64, 2, ""); |
+DEFINE_double(test_double, -1.0, ""); |
+DEFINE_string(test_string, "initial", ""); |
+ |
+// |
+// The below ugliness gets some additional code coverage in the -helpxml |
+// and -helpmatch test cases having to do with string lengths and formatting |
+// |
+DEFINE_bool(test_bool_with_quite_quite_quite_quite_quite_quite_quite_quite_quite_quite_quite_quite_quite_quite_long_name, |
+ false, |
+ "extremely_extremely_extremely_extremely_extremely_extremely_extremely_extremely_long_meaning"); |
+ |
+DEFINE_string(test_str1, "initial", ""); |
+DEFINE_string(test_str2, "initial", ""); |
+DEFINE_string(test_str3, "initial", ""); |
+ |
+// This is used to test setting tryfromenv manually |
+DEFINE_string(test_tryfromenv, "initial", ""); |
+ |
+// boolean flag assigned correctly with bool |
+DEFINE_bool(test_bool_bool, true, ""); |
+ |
+// boolean flag assigned with string |
+DEFINE_bool(test_bool_string, "", ""); |
+ |
+// boolean flag assigned with float |
+DEFINE_bool(test_bool_float, 1.0, ""); |
+ |
+// boolean flag assigned with int |
+DEFINE_bool(test_bool_int, 1, ""); |
+ |
+// Don't try this at home! |
+static int changeable_var = 12; |
+DEFINE_int32(changeable_var, ++changeable_var, ""); |
+ |
+static int changeable_bool_var = 8008; |
+DEFINE_bool(changeable_bool_var, ++changeable_bool_var == 8009, ""); |
+ |
+static int changeable_string_var = 0; |
+static string ChangeableString() { |
+ char r[] = {'0' + ++changeable_string_var, '\0'}; |
+ return r; |
+} |
+DEFINE_string(changeable_string_var, ChangeableString(), ""); |
+ |
+// These are never used in this unittest, but can be used by |
+// gflags_unittest.sh when it needs to specify flags |
+// that are legal for gflags_unittest but don't need to |
+// be a particular value. |
+DEFINE_bool(unused_bool, true, "unused bool-ness"); |
+DEFINE_int32(unused_int32, -1001, ""); |
+DEFINE_int64(unused_int64, -2001, ""); |
+DEFINE_uint64(unused_uint64, 2000, ""); |
+DEFINE_double(unused_double, -1000.0, ""); |
+DEFINE_string(unused_string, "unused", ""); |
+ |
+// These flags are used by gflags_unittest.sh |
+DEFINE_bool(changed_bool1, false, "changed"); |
+DEFINE_bool(changed_bool2, false, "changed"); |
+ |
+static bool AlwaysFail(const char* flag, bool value) { return value == false; } |
+DEFINE_bool(always_fail, false, "will fail to validate when you set it"); |
+static const bool dummy = GOOGLE_NAMESPACE::RegisterFlagValidator(&FLAGS_always_fail, AlwaysFail); |
+ |
+// This is a psuedo-flag -- we want to register a flag with a filename |
+// at the top level, but there is no way to do this except by faking |
+// the filename. |
+namespace fLI { |
+ static const int32 FLAGS_nonotldflag1 = 12; |
+ int32 FLAGS_tldflag1 = FLAGS_nonotldflag1; |
+ int32 FLAGS_notldflag1 = FLAGS_nonotldflag1; |
+ static FlagRegisterer o_tldflag1( |
+ "tldflag1", "int32", |
+ "should show up in --helpshort", "gflags_unittest.cc", |
+ &FLAGS_tldflag1, &FLAGS_notldflag1); |
+} |
+using fLI::FLAGS_tldflag1; |
+ |
+namespace fLI { |
+ static const int32 FLAGS_nonotldflag2 = 23; |
+ int32 FLAGS_tldflag2 = FLAGS_nonotldflag2; |
+ int32 FLAGS_notldflag2 = FLAGS_nonotldflag2; |
+ static FlagRegisterer o_tldflag2( |
+ "tldflag2", "int32", |
+ "should show up in --helpshort", "gflags_unittest.", |
+ &FLAGS_tldflag2, &FLAGS_notldflag2); |
+} |
+using fLI::FLAGS_tldflag2; |
+ |
+_START_GOOGLE_NAMESPACE_ |
+ |
+// The following is some bare-bones testing infrastructure |
+ |
+#define EXPECT_TRUE(cond) \ |
+ do { \ |
+ if (!(cond)) { \ |
+ fprintf(stderr, "Check failed: %s\n", #cond); \ |
+ exit(1); \ |
+ } \ |
+ } while (0) |
+ |
+#define EXPECT_FALSE(cond) EXPECT_TRUE(!(cond)) |
+ |
+#define EXPECT_OP(op, val1, val2) \ |
+ do { \ |
+ if (!((val1) op (val2))) { \ |
+ fprintf(stderr, "Check failed: %s %s %s\n", #val1, #op, #val2); \ |
+ exit(1); \ |
+ } \ |
+ } while (0) |
+ |
+#define EXPECT_EQ(val1, val2) EXPECT_OP(==, val1, val2) |
+#define EXPECT_NE(val1, val2) EXPECT_OP(!=, val1, val2) |
+#define EXPECT_GT(val1, val2) EXPECT_OP(>, val1, val2) |
+#define EXPECT_LT(val1, val2) EXPECT_OP(<, val1, val2) |
+ |
+// C99 declares isnan and isinf should be macros, so the #ifdef test |
+// should be reliable everywhere. Of course, it's not, but these |
+// are testing pertty marginal functionality anyway, so it's ok to |
+// not-run them even in situations they might, with effort, be made to work. |
+#ifdef isnan // Some compilers, like sun's for Solaris 10, don't define this |
+#define EXPECT_NAN(arg) \ |
+ do { \ |
+ if (!isnan(arg)) { \ |
+ fprintf(stderr, "Check failed: isnan(%s)\n", #arg); \ |
+ exit(1); \ |
+ } \ |
+ } while (0) |
+#else |
+#define EXPECT_NAN(arg) |
+#endif |
+ |
+#ifdef isinf // Some compilers, like sun's for Solaris 10, don't define this |
+#define EXPECT_INF(arg) \ |
+ do { \ |
+ if (!isinf(arg)) { \ |
+ fprintf(stderr, "Check failed: isinf(%s)\n", #arg); \ |
+ exit(1); \ |
+ } \ |
+ } while (0) |
+#else |
+#define EXPECT_INF(arg) |
+#endif |
+ |
+#define EXPECT_DOUBLE_EQ(val1, val2) \ |
+ do { \ |
+ if (((val1) < (val2) - 0.001 || (val1) > (val2) + 0.001)) { \ |
+ fprintf(stderr, "Check failed: %s == %s\n", #val1, #val2); \ |
+ exit(1); \ |
+ } \ |
+ } while (0) |
+ |
+#define EXPECT_STREQ(val1, val2) \ |
+ do { \ |
+ if (strcmp((val1), (val2)) != 0) { \ |
+ fprintf(stderr, "Check failed: streq(%s, %s)\n", #val1, #val2); \ |
+ exit(1); \ |
+ } \ |
+ } while (0) |
+ |
+static bool g_called_exit; |
+static void CalledExit(int) { g_called_exit = true; } |
+ |
+#define EXPECT_DEATH(fn, msg) \ |
+ do { \ |
+ g_called_exit = false; \ |
+ extern void (*commandlineflags_exitfunc)(int); /* in gflags.cc */ \ |
+ commandlineflags_exitfunc = &CalledExit; \ |
+ fn; \ |
+ commandlineflags_exitfunc = &exit; /* set back to its default */ \ |
+ if (!g_called_exit) { \ |
+ fprintf(stderr, "Function didn't die (%s): %s\n", msg, #fn); \ |
+ exit(1); \ |
+ } \ |
+ } while (0) |
+ |
+ |
+vector<void (*)()> g_testlist; // the tests to run |
+ |
+#define TEST(a, b) \ |
+ struct Test_##a##_##b { \ |
+ Test_##a##_##b() { g_testlist.push_back(&Run); } \ |
+ static void Run() { FlagSaver fs; RunTest(); } \ |
+ static void RunTest(); \ |
+ }; \ |
+ static Test_##a##_##b g_test_##a##_##b; \ |
+ void Test_##a##_##b::RunTest() |
+ |
+ |
+static int RUN_ALL_TESTS() { |
+ vector<void (*)()>::const_iterator it; |
+ for (it = g_testlist.begin(); it != g_testlist.end(); ++it) { |
+ (*it)(); |
+ } |
+ fprintf(stderr, "Passed %d tests\n\nPASS\n", (int)g_testlist.size()); |
+ return 0; |
+} |
+ |
+ |
+// Defining a variable of type CompileAssertTypesEqual<T1, T2> will cause a |
+// compiler error iff T1 and T2 are different types. |
+template <typename T1, typename T2> |
+struct CompileAssertTypesEqual; |
+ |
+template <typename T> |
+struct CompileAssertTypesEqual<T, T> { |
+}; |
+ |
+ |
+template <typename Expected, typename Actual> |
+void AssertIsType(Actual& x) { |
+ CompileAssertTypesEqual<Expected, Actual>(); |
+} |
+ |
+// Verify all the flags are the right type. |
+TEST(FlagTypes, FlagTypes) { |
+ AssertIsType<bool>(FLAGS_test_bool); |
+ AssertIsType<int32>(FLAGS_test_int32); |
+ AssertIsType<int64>(FLAGS_test_int64); |
+ AssertIsType<uint64>(FLAGS_test_uint64); |
+ AssertIsType<double>(FLAGS_test_double); |
+ AssertIsType<string>(FLAGS_test_string); |
+} |
+ |
+// Death tests for "help" options. |
+// |
+// The help system automatically calls exit(1) when you specify any of |
+// the help-related flags ("-helpmatch", "-helpxml") so we can't test |
+// those mainline. |
+ |
+// Tests that "-helpmatch" causes the process to die. |
+TEST(ReadFlagsFromStringDeathTest, HelpMatch) { |
+ EXPECT_DEATH(ReadFlagsFromString("-helpmatch=base", GetArgv0(), true), |
+ ""); |
+} |
+ |
+ |
+// Tests that "-helpxml" causes the process to die. |
+TEST(ReadFlagsFromStringDeathTest, HelpXml) { |
+ EXPECT_DEATH(ReadFlagsFromString("-helpxml", GetArgv0(), true), |
+ ""); |
+} |
+ |
+ |
+// A subroutine needed for testing reading flags from a string. |
+void TestFlagString(const string& flags, |
+ const string& expected_string, |
+ bool expected_bool, |
+ int32 expected_int32, |
+ double expected_double) { |
+ EXPECT_TRUE(ReadFlagsFromString(flags, |
+ GetArgv0(), |
+ // errors are fatal |
+ true)); |
+ |
+ EXPECT_EQ(expected_string, FLAGS_test_string); |
+ EXPECT_EQ(expected_bool, FLAGS_test_bool); |
+ EXPECT_EQ(expected_int32, FLAGS_test_int32); |
+ EXPECT_DOUBLE_EQ(expected_double, FLAGS_test_double); |
+} |
+ |
+ |
+// Tests reading flags from a string. |
+TEST(FlagFileTest, ReadFlagsFromString) { |
+ TestFlagString( |
+ // Flag string |
+ "-test_string=continued\n" |
+ "# some comments are in order\n" |
+ "# some\n" |
+ " # comments\n" |
+ "#are\n" |
+ " #trickier\n" |
+ "# than others\n" |
+ "-test_bool=true\n" |
+ " -test_int32=1\n" |
+ "-test_double=0.0\n", |
+ // Expected values |
+ "continued", |
+ true, |
+ 1, |
+ 0.0); |
+ |
+ TestFlagString( |
+ // Flag string |
+ "# let's make sure it can update values\n" |
+ "-test_string=initial\n" |
+ "-test_bool=false\n" |
+ "-test_int32=123\n" |
+ "-test_double=123.0\n", |
+ // Expected values |
+ "initial", |
+ false, |
+ 123, |
+ 123.0); |
+} |
+ |
+// Tests the filename part of the flagfile |
+TEST(FlagFileTest, FilenamesOurfileLast) { |
+ FLAGS_test_string = "initial"; |
+ FLAGS_test_bool = false; |
+ FLAGS_test_int32 = -1; |
+ FLAGS_test_double = -1.0; |
+ TestFlagString( |
+ // Flag string |
+ "-test_string=continued\n" |
+ "# some comments are in order\n" |
+ "# some\n" |
+ " # comments\n" |
+ "#are\n" |
+ " #trickier\n" |
+ "# than others\n" |
+ "not_our_filename\n" |
+ "-test_bool=true\n" |
+ " -test_int32=1\n" |
+ "gflags_unittest\n" |
+ "-test_double=1000.0\n", |
+ // Expected values |
+ "continued", |
+ false, |
+ -1, |
+ 1000.0); |
+} |
+ |
+TEST(FlagFileTest, FilenamesOurfileFirst) { |
+ FLAGS_test_string = "initial"; |
+ FLAGS_test_bool = false; |
+ FLAGS_test_int32 = -1; |
+ FLAGS_test_double = -1.0; |
+ TestFlagString( |
+ // Flag string |
+ "-test_string=continued\n" |
+ "# some comments are in order\n" |
+ "# some\n" |
+ " # comments\n" |
+ "#are\n" |
+ " #trickier\n" |
+ "# than others\n" |
+ "gflags_unittest\n" |
+ "-test_bool=true\n" |
+ " -test_int32=1\n" |
+ "not_our_filename\n" |
+ "-test_double=1000.0\n", |
+ // Expected values |
+ "continued", |
+ true, |
+ 1, |
+ -1.0); |
+} |
+ |
+TEST(FlagFileTest, FilenamesOurfileGlob) { |
+ FLAGS_test_string = "initial"; |
+ FLAGS_test_bool = false; |
+ FLAGS_test_int32 = -1; |
+ FLAGS_test_double = -1.0; |
+ TestFlagString( |
+ // Flag string |
+ "-test_string=continued\n" |
+ "# some comments are in order\n" |
+ "# some\n" |
+ " # comments\n" |
+ "#are\n" |
+ " #trickier\n" |
+ "# than others\n" |
+ "*flags*\n" |
+ "-test_bool=true\n" |
+ " -test_int32=1\n" |
+ "flags\n" |
+ "-test_double=1000.0\n", |
+ // Expected values |
+ "continued", |
+ true, |
+ 1, |
+ -1.0); |
+} |
+ |
+TEST(FlagFileTest, FilenamesOurfileInBigList) { |
+ FLAGS_test_string = "initial"; |
+ FLAGS_test_bool = false; |
+ FLAGS_test_int32 = -1; |
+ FLAGS_test_double = -1.0; |
+ TestFlagString( |
+ // Flag string |
+ "-test_string=continued\n" |
+ "# some comments are in order\n" |
+ "# some\n" |
+ " # comments\n" |
+ "#are\n" |
+ " #trickier\n" |
+ "# than others\n" |
+ "*first* *flags* *third*\n" |
+ "-test_bool=true\n" |
+ " -test_int32=1\n" |
+ "flags\n" |
+ "-test_double=1000.0\n", |
+ // Expected values |
+ "continued", |
+ true, |
+ 1, |
+ -1.0); |
+} |
+ |
+// Tests that a failed flag-from-string read keeps flags at default values |
+TEST(FlagFileTest, FailReadFlagsFromString) { |
+ FLAGS_test_int32 = 119; |
+ string flags("# let's make sure it can update values\n" |
+ "-test_string=non_initial\n" |
+ "-test_bool=false\n" |
+ "-test_int32=123\n" |
+ "-test_double=illegal\n"); |
+ |
+ EXPECT_FALSE(ReadFlagsFromString(flags, |
+ GetArgv0(), |
+ // errors are fatal |
+ false)); |
+ |
+ EXPECT_EQ(119, FLAGS_test_int32); |
+ EXPECT_EQ("initial", FLAGS_test_string); |
+} |
+ |
+// Tests that flags can be set to ordinary values. |
+TEST(SetFlagValueTest, OrdinaryValues) { |
+ EXPECT_EQ("initial", FLAGS_test_str1); |
+ |
+ SetCommandLineOptionWithMode("test_str1", "second", SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ("second", FLAGS_test_str1); // set; was default |
+ |
+ SetCommandLineOptionWithMode("test_str1", "third", SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ("second", FLAGS_test_str1); // already set once |
+ |
+ FLAGS_test_str1 = "initial"; |
+ SetCommandLineOptionWithMode("test_str1", "third", SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ("initial", FLAGS_test_str1); // still already set before |
+ |
+ SetCommandLineOptionWithMode("test_str1", "third", SET_FLAGS_VALUE); |
+ EXPECT_EQ("third", FLAGS_test_str1); // changed value |
+ |
+ SetCommandLineOptionWithMode("test_str1", "fourth", SET_FLAGS_DEFAULT); |
+ EXPECT_EQ("third", FLAGS_test_str1); |
+ // value not changed (already set before) |
+ |
+ EXPECT_EQ("initial", FLAGS_test_str2); |
+ |
+ SetCommandLineOptionWithMode("test_str2", "second", SET_FLAGS_DEFAULT); |
+ EXPECT_EQ("second", FLAGS_test_str2); // changed (was default) |
+ |
+ FLAGS_test_str2 = "extra"; |
+ EXPECT_EQ("extra", FLAGS_test_str2); |
+ |
+ FLAGS_test_str2 = "second"; |
+ SetCommandLineOptionWithMode("test_str2", "third", SET_FLAGS_DEFAULT); |
+ EXPECT_EQ("third", FLAGS_test_str2); // still changed (was equal to default) |
+ |
+ SetCommandLineOptionWithMode("test_str2", "fourth", SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ("fourth", FLAGS_test_str2); // changed (was default) |
+ |
+ EXPECT_EQ("initial", FLAGS_test_str3); |
+ |
+ SetCommandLineOptionWithMode("test_str3", "second", SET_FLAGS_DEFAULT); |
+ EXPECT_EQ("second", FLAGS_test_str3); // changed |
+ |
+ FLAGS_test_str3 = "third"; |
+ SetCommandLineOptionWithMode("test_str3", "fourth", SET_FLAGS_DEFAULT); |
+ EXPECT_EQ("third", FLAGS_test_str3); // not changed (was set) |
+ |
+ SetCommandLineOptionWithMode("test_str3", "fourth", SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ("third", FLAGS_test_str3); // not changed (was set) |
+ |
+ SetCommandLineOptionWithMode("test_str3", "fourth", SET_FLAGS_VALUE); |
+ EXPECT_EQ("fourth", FLAGS_test_str3); // changed value |
+} |
+ |
+ |
+// Tests that flags can be set to exceptional values. |
+TEST(SetFlagValueTest, ExceptionalValues) { |
+#ifdef isinf // on systems without isinf, inf stuff may not work at all |
+ EXPECT_EQ("test_double set to inf\n", |
+ SetCommandLineOption("test_double", "inf")); |
+ EXPECT_INF(FLAGS_test_double); |
+ |
+ EXPECT_EQ("test_double set to inf\n", |
+ SetCommandLineOption("test_double", "INF")); |
+ EXPECT_INF(FLAGS_test_double); |
+#endif |
+ |
+ // set some bad values |
+ EXPECT_EQ("", |
+ SetCommandLineOption("test_double", "0.1xxx")); |
+ EXPECT_EQ("", |
+ SetCommandLineOption("test_double", " ")); |
+ EXPECT_EQ("", |
+ SetCommandLineOption("test_double", "")); |
+#ifdef isinf |
+ EXPECT_EQ("test_double set to -inf\n", |
+ SetCommandLineOption("test_double", "-inf")); |
+ EXPECT_INF(FLAGS_test_double); |
+ EXPECT_GT(0, FLAGS_test_double); |
+#endif |
+ |
+#ifdef isnan |
+ EXPECT_EQ("test_double set to nan\n", |
+ SetCommandLineOption("test_double", "NaN")); |
+ EXPECT_NAN(FLAGS_test_double); |
+#endif |
+} |
+ |
+// Tests that integer flags can be specified in many ways |
+TEST(SetFlagValueTest, DifferentRadices) { |
+ EXPECT_EQ("test_int32 set to 12\n", |
+ SetCommandLineOption("test_int32", "12")); |
+ |
+ EXPECT_EQ("test_int32 set to 16\n", |
+ SetCommandLineOption("test_int32", "0x10")); |
+ |
+ EXPECT_EQ("test_int32 set to 34\n", |
+ SetCommandLineOption("test_int32", "0X22")); |
+ |
+ // Leading 0 is *not* octal; it's still decimal |
+ EXPECT_EQ("test_int32 set to 10\n", |
+ SetCommandLineOption("test_int32", "010")); |
+} |
+ |
+// Tests what happens when you try to set a flag to an illegal value |
+TEST(SetFlagValueTest, IllegalValues) { |
+ FLAGS_test_bool = true; |
+ FLAGS_test_int32 = 119; |
+ FLAGS_test_int64 = 1191; |
+ FLAGS_test_uint64 = 11911; |
+ |
+ EXPECT_EQ("", |
+ SetCommandLineOption("test_bool", "12")); |
+ |
+ EXPECT_EQ("", |
+ SetCommandLineOption("test_int32", "7000000000000")); |
+ |
+ // TODO(csilvers): uncomment this when we disallow negative numbers for uint64 |
+#if 0 |
+ EXPECT_EQ("", |
+ SetCommandLineOption("test_uint64", "-1")); |
+#endif |
+ |
+ EXPECT_EQ("", |
+ SetCommandLineOption("test_int64", "not a number!")); |
+ |
+ // Test the empty string with each type of input |
+ EXPECT_EQ("", SetCommandLineOption("test_bool", "")); |
+ EXPECT_EQ("", SetCommandLineOption("test_int32", "")); |
+ EXPECT_EQ("", SetCommandLineOption("test_int64", "")); |
+ EXPECT_EQ("", SetCommandLineOption("test_uint64", "")); |
+ EXPECT_EQ("", SetCommandLineOption("test_double", "")); |
+ EXPECT_EQ("test_string set to \n", SetCommandLineOption("test_string", "")); |
+ |
+ EXPECT_EQ(true, FLAGS_test_bool); |
+ EXPECT_EQ(119, FLAGS_test_int32); |
+ EXPECT_EQ(1191, FLAGS_test_int64); |
+ EXPECT_EQ(11911, FLAGS_test_uint64); |
+} |
+ |
+ |
+// Tests that we only evaluate macro args once |
+TEST(MacroArgs, EvaluateOnce) { |
+ EXPECT_EQ(13, FLAGS_changeable_var); |
+ // Make sure we don't ++ the value somehow, when evaluating the flag. |
+ EXPECT_EQ(13, FLAGS_changeable_var); |
+ // Make sure the macro only evaluated this var once. |
+ EXPECT_EQ(13, changeable_var); |
+ // Make sure the actual value and default value are the same |
+ SetCommandLineOptionWithMode("changeable_var", "21", SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ(21, FLAGS_changeable_var); |
+} |
+ |
+TEST(MacroArgs, EvaluateOnceBool) { |
+ EXPECT_EQ(true, FLAGS_changeable_bool_var); |
+ EXPECT_EQ(true, FLAGS_changeable_bool_var); |
+ EXPECT_EQ(8009, changeable_bool_var); |
+ SetCommandLineOptionWithMode("changeable_bool_var", "false", |
+ SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ(false, FLAGS_changeable_bool_var); |
+} |
+ |
+TEST(MacroArgs, EvaluateOnceStrings) { |
+ EXPECT_EQ("1", FLAGS_changeable_string_var); |
+ EXPECT_EQ("1", FLAGS_changeable_string_var); |
+ EXPECT_EQ(1, changeable_string_var); |
+ SetCommandLineOptionWithMode("changeable_string_var", "different", |
+ SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ("different", FLAGS_changeable_string_var); |
+} |
+ |
+// Tests that the FooFromEnv does the right thing |
+TEST(FromEnvTest, LegalValues) { |
+ setenv("BOOL_VAL1", "true", 1); |
+ setenv("BOOL_VAL2", "false", 1); |
+ setenv("BOOL_VAL3", "1", 1); |
+ setenv("BOOL_VAL4", "F", 1); |
+ EXPECT_EQ(true, BoolFromEnv("BOOL_VAL1", false)); |
+ EXPECT_EQ(false, BoolFromEnv("BOOL_VAL2", true)); |
+ EXPECT_EQ(true, BoolFromEnv("BOOL_VAL3", false)); |
+ EXPECT_EQ(false, BoolFromEnv("BOOL_VAL4", true)); |
+ EXPECT_EQ(true, BoolFromEnv("BOOL_VAL_UNKNOWN", true)); |
+ EXPECT_EQ(false, BoolFromEnv("BOOL_VAL_UNKNOWN", false)); |
+ |
+ setenv("INT_VAL1", "1", 1); |
+ setenv("INT_VAL2", "-1", 1); |
+ EXPECT_EQ(1, Int32FromEnv("INT_VAL1", 10)); |
+ EXPECT_EQ(-1, Int32FromEnv("INT_VAL2", 10)); |
+ EXPECT_EQ(10, Int32FromEnv("INT_VAL_UNKNOWN", 10)); |
+ |
+ setenv("INT_VAL3", "1099511627776", 1); |
+ EXPECT_EQ(1, Int64FromEnv("INT_VAL1", 20)); |
+ EXPECT_EQ(-1, Int64FromEnv("INT_VAL2", 20)); |
+ EXPECT_EQ(1099511627776LL, Int64FromEnv("INT_VAL3", 20)); |
+ EXPECT_EQ(20, Int64FromEnv("INT_VAL_UNKNOWN", 20)); |
+ |
+ EXPECT_EQ(1, Uint64FromEnv("INT_VAL1", 30)); |
+ EXPECT_EQ(1099511627776ULL, Uint64FromEnv("INT_VAL3", 30)); |
+ EXPECT_EQ(30, Uint64FromEnv("INT_VAL_UNKNOWN", 30)); |
+ |
+ // I pick values here that can be easily represented exactly in floating-point |
+ setenv("DOUBLE_VAL1", "0.0", 1); |
+ setenv("DOUBLE_VAL2", "1.0", 1); |
+ setenv("DOUBLE_VAL3", "-1.0", 1); |
+ EXPECT_EQ(0.0, DoubleFromEnv("DOUBLE_VAL1", 40.0)); |
+ EXPECT_EQ(1.0, DoubleFromEnv("DOUBLE_VAL2", 40.0)); |
+ EXPECT_EQ(-1.0, DoubleFromEnv("DOUBLE_VAL3", 40.0)); |
+ EXPECT_EQ(40.0, DoubleFromEnv("DOUBLE_VAL_UNKNOWN", 40.0)); |
+ |
+ setenv("STRING_VAL1", "", 1); |
+ setenv("STRING_VAL2", "my happy string!", 1); |
+ EXPECT_STREQ("", StringFromEnv("STRING_VAL1", "unknown")); |
+ EXPECT_STREQ("my happy string!", StringFromEnv("STRING_VAL2", "unknown")); |
+ EXPECT_STREQ("unknown", StringFromEnv("STRING_VAL_UNKNOWN", "unknown")); |
+} |
+ |
+// Tests that the FooFromEnv dies on parse-error |
+TEST(FromEnvDeathTest, IllegalValues) { |
+ setenv("BOOL_BAD1", "so true!",1 ); |
+ setenv("BOOL_BAD2", "", 1); |
+ EXPECT_DEATH(BoolFromEnv("BOOL_BAD1", false), "error parsing env variable"); |
+ EXPECT_DEATH(BoolFromEnv("BOOL_BAD2", true), "error parsing env variable"); |
+ |
+ setenv("INT_BAD1", "one", 1); |
+ setenv("INT_BAD2", "100000000000000000", 1); |
+ setenv("INT_BAD3", "0xx10", 1); |
+ setenv("INT_BAD4", "", 1); |
+ EXPECT_DEATH(Int32FromEnv("INT_BAD1", 10), "error parsing env variable"); |
+ EXPECT_DEATH(Int32FromEnv("INT_BAD2", 10), "error parsing env variable"); |
+ EXPECT_DEATH(Int32FromEnv("INT_BAD3", 10), "error parsing env variable"); |
+ EXPECT_DEATH(Int32FromEnv("INT_BAD4", 10), "error parsing env variable"); |
+ |
+ setenv("BIGINT_BAD1", "18446744073709551616000", 1); |
+ EXPECT_DEATH(Int64FromEnv("INT_BAD1", 20), "error parsing env variable"); |
+ EXPECT_DEATH(Int64FromEnv("INT_BAD3", 20), "error parsing env variable"); |
+ EXPECT_DEATH(Int64FromEnv("INT_BAD4", 20), "error parsing env variable"); |
+ EXPECT_DEATH(Int64FromEnv("BIGINT_BAD1", 200), "error parsing env variable"); |
+ |
+ setenv("BIGINT_BAD2", "-1", 1); |
+ EXPECT_DEATH(Uint64FromEnv("INT_BAD1", 30), "error parsing env variable"); |
+ EXPECT_DEATH(Uint64FromEnv("INT_BAD3", 30), "error parsing env variable"); |
+ EXPECT_DEATH(Uint64FromEnv("INT_BAD4", 30), "error parsing env variable"); |
+ EXPECT_DEATH(Uint64FromEnv("BIGINT_BAD1", 30), "error parsing env variable"); |
+ // TODO(csilvers): uncomment this when we disallow negative numbers for uint64 |
+#if 0 |
+ EXPECT_DEATH(Uint64FromEnv("BIGINT_BAD2", 30), "error parsing env variable"); |
+#endif |
+ |
+ setenv("DOUBLE_BAD1", "0.0.0", 1); |
+ setenv("DOUBLE_BAD2", "", 1); |
+ EXPECT_DEATH(DoubleFromEnv("DOUBLE_BAD1", 40.0), "error parsing env variable"); |
+ EXPECT_DEATH(DoubleFromEnv("DOUBLE_BAD2", 40.0), "error parsing env variable"); |
+} |
+ |
+// Tests that FlagSaver can save the states of string flags. |
+TEST(FlagSaverTest, CanSaveStringFlagStates) { |
+ // 1. Initializes the flags. |
+ |
+ // State of flag test_str1: |
+ // default value - "initial" |
+ // current value - "initial" |
+ // not set - true |
+ |
+ SetCommandLineOptionWithMode("test_str2", "second", SET_FLAGS_VALUE); |
+ // State of flag test_str2: |
+ // default value - "initial" |
+ // current value - "second" |
+ // not set - false |
+ |
+ SetCommandLineOptionWithMode("test_str3", "second", SET_FLAGS_DEFAULT); |
+ // State of flag test_str3: |
+ // default value - "second" |
+ // current value - "second" |
+ // not set - true |
+ |
+ // 2. Saves the flag states. |
+ |
+ { |
+ FlagSaver fs; |
+ |
+ // 3. Modifies the flag states. |
+ |
+ SetCommandLineOptionWithMode("test_str1", "second", SET_FLAGS_VALUE); |
+ EXPECT_EQ("second", FLAGS_test_str1); |
+ // State of flag test_str1: |
+ // default value - "second" |
+ // current value - "second" |
+ // not set - true |
+ |
+ SetCommandLineOptionWithMode("test_str2", "third", SET_FLAGS_DEFAULT); |
+ EXPECT_EQ("second", FLAGS_test_str2); |
+ // State of flag test_str2: |
+ // default value - "third" |
+ // current value - "second" |
+ // not set - false |
+ |
+ SetCommandLineOptionWithMode("test_str3", "third", SET_FLAGS_VALUE); |
+ EXPECT_EQ("third", FLAGS_test_str3); |
+ // State of flag test_str1: |
+ // default value - "second" |
+ // current value - "third" |
+ // not set - false |
+ |
+ // 4. Restores the flag states. |
+ } |
+ |
+ // 5. Verifies that the states were restored. |
+ |
+ // Verifies that the value of test_str1 was restored. |
+ EXPECT_EQ("initial", FLAGS_test_str1); |
+ // Verifies that the "not set" attribute of test_str1 was restored to true. |
+ SetCommandLineOptionWithMode("test_str1", "second", SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ("second", FLAGS_test_str1); |
+ |
+ // Verifies that the value of test_str2 was restored. |
+ EXPECT_EQ("second", FLAGS_test_str2); |
+ // Verifies that the "not set" attribute of test_str2 was restored to false. |
+ SetCommandLineOptionWithMode("test_str2", "fourth", SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ("second", FLAGS_test_str2); |
+ |
+ // Verifies that the value of test_str3 was restored. |
+ EXPECT_EQ("second", FLAGS_test_str3); |
+ // Verifies that the "not set" attribute of test_str3 was restored to true. |
+ SetCommandLineOptionWithMode("test_str3", "fourth", SET_FLAG_IF_DEFAULT); |
+ EXPECT_EQ("fourth", FLAGS_test_str3); |
+} |
+ |
+ |
+// Tests that FlagSaver can save the values of various-typed flags. |
+TEST(FlagSaverTest, CanSaveVariousTypedFlagValues) { |
+ // Initializes the flags. |
+ FLAGS_test_bool = false; |
+ FLAGS_test_int32 = -1; |
+ FLAGS_test_int64 = -2; |
+ FLAGS_test_uint64 = 3; |
+ FLAGS_test_double = 4.0; |
+ FLAGS_test_string = "good"; |
+ |
+ // Saves the flag states. |
+ { |
+ FlagSaver fs; |
+ |
+ // Modifies the flags. |
+ FLAGS_test_bool = true; |
+ FLAGS_test_int32 = -5; |
+ FLAGS_test_int64 = -6; |
+ FLAGS_test_uint64 = 7; |
+ FLAGS_test_double = 8.0; |
+ FLAGS_test_string = "bad"; |
+ |
+ // Restores the flag states. |
+ } |
+ |
+ // Verifies the flag values were restored. |
+ EXPECT_FALSE(FLAGS_test_bool); |
+ EXPECT_EQ(-1, FLAGS_test_int32); |
+ EXPECT_EQ(-2, FLAGS_test_int64); |
+ EXPECT_EQ(3, FLAGS_test_uint64); |
+ EXPECT_DOUBLE_EQ(4.0, FLAGS_test_double); |
+ EXPECT_EQ("good", FLAGS_test_string); |
+} |
+ |
+TEST(GetAllFlagsTest, BaseTest) { |
+ vector<CommandLineFlagInfo> flags; |
+ GetAllFlags(&flags); |
+ bool found_test_bool = false; |
+ vector<CommandLineFlagInfo>::const_iterator i; |
+ for (i = flags.begin(); i != flags.end(); ++i) { |
+ if (i->name == "test_bool") { |
+ found_test_bool = true; |
+ EXPECT_EQ(i->type, "bool"); |
+ EXPECT_EQ(i->default_value, "false"); |
+ break; |
+ } |
+ } |
+ EXPECT_EQ(true, found_test_bool); |
+} |
+ |
+TEST(ShowUsageWithFlagsTest, BaseTest) { |
+ // TODO(csilvers): test this by allowing output other than to stdout. |
+ // Not urgent since this functionality is tested via |
+ // gflags_unittest.sh, though only through use of --help. |
+} |
+ |
+TEST(ShowUsageWithFlagsRestrictTest, BaseTest) { |
+ // TODO(csilvers): test this by allowing output other than to stdout. |
+ // Not urgent since this functionality is tested via |
+ // gflags_unittest.sh, though only through use of --helpmatch. |
+} |
+ |
+// Note: all these argv-based tests depend on SetArgv being called |
+// before InitGoogle() in main(), below. |
+TEST(GetArgvsTest, BaseTest) { |
+ vector<string> argvs = GetArgvs(); |
+ EXPECT_EQ(4, argvs.size()); |
+ EXPECT_EQ("/test/argv/for/gflags_unittest", argvs[0]); |
+ EXPECT_EQ("argv 2", argvs[1]); |
+ EXPECT_EQ("3rd argv", argvs[2]); |
+ EXPECT_EQ("argv #4", argvs[3]); |
+} |
+ |
+TEST(GetArgvTest, BaseTest) { |
+ EXPECT_STREQ("/test/argv/for/gflags_unittest " |
+ "argv 2 3rd argv argv #4", GetArgv()); |
+} |
+ |
+TEST(GetArgv0Test, BaseTest) { |
+ EXPECT_STREQ("/test/argv/for/gflags_unittest", GetArgv0()); |
+} |
+ |
+TEST(GetArgvSumTest, BaseTest) { |
+ // This number is just the sum of the ASCII values of all the chars |
+ // in GetArgv(). |
+ EXPECT_EQ(4904, GetArgvSum()); |
+} |
+ |
+TEST(ProgramInvocationNameTest, BaseTest) { |
+ EXPECT_STREQ("/test/argv/for/gflags_unittest", |
+ ProgramInvocationName()); |
+} |
+ |
+TEST(ProgramInvocationShortNameTest, BaseTest) { |
+ EXPECT_STREQ("gflags_unittest", ProgramInvocationShortName()); |
+} |
+ |
+TEST(ProgramUsageTest, BaseTest) { // Depends on 1st arg to InitGoogle in main() |
+ EXPECT_STREQ("/test/argv/for/gflags_unittest: " |
+ "<useless flag> [...]\nDoes something useless.\n", |
+ ProgramUsage()); |
+} |
+ |
+TEST(GetCommandLineOptionTest, NameExistsAndIsDefault) { |
+ string value("will be changed"); |
+ bool r = GetCommandLineOption("test_bool", &value); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ("false", value); |
+ |
+ r = GetCommandLineOption("test_int32", &value); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ("-1", value); |
+} |
+ |
+TEST(GetCommandLineOptionTest, NameExistsAndWasAssigned) { |
+ FLAGS_test_int32 = 400; |
+ string value("will be changed"); |
+ const bool r = GetCommandLineOption("test_int32", &value); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ("400", value); |
+} |
+ |
+TEST(GetCommandLineOptionTest, NameExistsAndWasSet) { |
+ SetCommandLineOption("test_int32", "700"); |
+ string value("will be changed"); |
+ const bool r = GetCommandLineOption("test_int32", &value); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ("700", value); |
+} |
+ |
+TEST(GetCommandLineOptionTest, NameExistsAndWasNotSet) { |
+ // This doesn't set the flag's value, but rather its default value. |
+ // is_default is still true, but the 'default' value returned has changed! |
+ SetCommandLineOptionWithMode("test_int32", "800", SET_FLAGS_DEFAULT); |
+ string value("will be changed"); |
+ const bool r = GetCommandLineOption("test_int32", &value); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ("800", value); |
+ EXPECT_EQ(true, GetCommandLineFlagInfoOrDie("test_int32").is_default); |
+ |
+} |
+ |
+TEST(GetCommandLineOptionTest, NameExistsAndWasConditionallySet) { |
+ SetCommandLineOptionWithMode("test_int32", "900", SET_FLAG_IF_DEFAULT); |
+ string value("will be changed"); |
+ const bool r = GetCommandLineOption("test_int32", &value); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ("900", value); |
+} |
+ |
+TEST(GetCommandLineOptionTest, NameDoesNotExist) { |
+ string value("will not be changed"); |
+ const bool r = GetCommandLineOption("test_int3210", &value); |
+ EXPECT_EQ(false, r); |
+ EXPECT_EQ("will not be changed", value); |
+} |
+ |
+TEST(GetCommandLineFlagInfoTest, FlagExists) { |
+ CommandLineFlagInfo info; |
+ bool r = GetCommandLineFlagInfo("test_int32", &info); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ("test_int32", info.name); |
+ EXPECT_EQ("int32", info.type); |
+ EXPECT_EQ("", info.description); |
+ EXPECT_EQ("-1", info.current_value); |
+ EXPECT_EQ("-1", info.default_value); |
+ EXPECT_EQ(true, info.is_default); |
+ EXPECT_EQ(false, info.has_validator_fn); |
+ |
+ FLAGS_test_bool = true; |
+ r = GetCommandLineFlagInfo("test_bool", &info); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ("test_bool", info.name); |
+ EXPECT_EQ("bool", info.type); |
+ EXPECT_EQ("tests bool-ness", info.description); |
+ EXPECT_EQ("true", info.current_value); |
+ EXPECT_EQ("false", info.default_value); |
+ EXPECT_EQ(false, info.is_default); |
+ EXPECT_EQ(false, info.has_validator_fn); |
+ |
+ FLAGS_test_bool = false; |
+ r = GetCommandLineFlagInfo("test_bool", &info); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ("test_bool", info.name); |
+ EXPECT_EQ("bool", info.type); |
+ EXPECT_EQ("tests bool-ness", info.description); |
+ EXPECT_EQ("false", info.current_value); |
+ EXPECT_EQ("false", info.default_value); |
+ EXPECT_EQ(false, info.is_default); // value is same, but flag *was* modified |
+ EXPECT_EQ(false, info.has_validator_fn); |
+} |
+ |
+TEST(GetCommandLineFlagInfoTest, FlagDoesNotExist) { |
+ CommandLineFlagInfo info; |
+ // Set to some random values that GetCommandLineFlagInfo should not change |
+ info.name = "name"; |
+ info.type = "type"; |
+ info.current_value = "curr"; |
+ info.default_value = "def"; |
+ info.filename = "/"; |
+ info.is_default = false; |
+ info.has_validator_fn = true; |
+ bool r = GetCommandLineFlagInfo("test_int3210", &info); |
+ EXPECT_EQ(false, r); |
+ EXPECT_EQ("name", info.name); |
+ EXPECT_EQ("type", info.type); |
+ EXPECT_EQ("", info.description); |
+ EXPECT_EQ("curr", info.current_value); |
+ EXPECT_EQ("def", info.default_value); |
+ EXPECT_EQ("/", info.filename); |
+ EXPECT_EQ(false, info.is_default); |
+ EXPECT_EQ(true, info.has_validator_fn); |
+} |
+ |
+TEST(GetCommandLineFlagInfoOrDieTest, FlagExistsAndIsDefault) { |
+ CommandLineFlagInfo info; |
+ info = GetCommandLineFlagInfoOrDie("test_int32"); |
+ EXPECT_EQ("test_int32", info.name); |
+ EXPECT_EQ("int32", info.type); |
+ EXPECT_EQ("", info.description); |
+ EXPECT_EQ("-1", info.current_value); |
+ EXPECT_EQ("-1", info.default_value); |
+ EXPECT_EQ(true, info.is_default); |
+ info = GetCommandLineFlagInfoOrDie("test_bool"); |
+ EXPECT_EQ("test_bool", info.name); |
+ EXPECT_EQ("bool", info.type); |
+ EXPECT_EQ("tests bool-ness", info.description); |
+ EXPECT_EQ("false", info.current_value); |
+ EXPECT_EQ("false", info.default_value); |
+ EXPECT_EQ(true, info.is_default); |
+ EXPECT_EQ(false, info.has_validator_fn); |
+} |
+ |
+TEST(GetCommandLineFlagInfoOrDieTest, FlagExistsAndWasAssigned) { |
+ FLAGS_test_int32 = 400; |
+ CommandLineFlagInfo info; |
+ info = GetCommandLineFlagInfoOrDie("test_int32"); |
+ EXPECT_EQ("test_int32", info.name); |
+ EXPECT_EQ("int32", info.type); |
+ EXPECT_EQ("", info.description); |
+ EXPECT_EQ("400", info.current_value); |
+ EXPECT_EQ("-1", info.default_value); |
+ EXPECT_EQ(false, info.is_default); |
+ FLAGS_test_bool = true; |
+ info = GetCommandLineFlagInfoOrDie("test_bool"); |
+ EXPECT_EQ("test_bool", info.name); |
+ EXPECT_EQ("bool", info.type); |
+ EXPECT_EQ("tests bool-ness", info.description); |
+ EXPECT_EQ("true", info.current_value); |
+ EXPECT_EQ("false", info.default_value); |
+ EXPECT_EQ(false, info.is_default); |
+ EXPECT_EQ(false, info.has_validator_fn); |
+} |
+ |
+TEST(GetCommandLineFlagInfoOrDieDeathTest, FlagDoesNotExist) { |
+ EXPECT_DEATH(GetCommandLineFlagInfoOrDie("test_int3210"), |
+ ".*: flag test_int3210 does not exist"); |
+} |
+ |
+ |
+// These are lightly tested because they're deprecated. Basically, |
+// the tests are meant to cover how existing users use these functions, |
+// but not necessarily how new users could use them. |
+TEST(DeprecatedFunctionsTest, CommandlineFlagsIntoString) { |
+ string s = CommandlineFlagsIntoString(); |
+ EXPECT_NE(string::npos, s.find("--test_bool=")); |
+} |
+ |
+TEST(DeprecatedFunctionsTest, AppendFlagsIntoFile) { |
+ FLAGS_test_int32 = 10; // just to make the test more interesting |
+ string filename(FLAGS_test_tmpdir + "/flagfile"); |
+ unlink(filename.c_str()); // just to be safe |
+ const bool r = AppendFlagsIntoFile(filename, "not the real argv0"); |
+ EXPECT_EQ(true, r); |
+ |
+ FILE* fp = fopen(filename.c_str(), "r"); |
+ EXPECT_TRUE(fp != NULL); |
+ char line[8192]; |
+ fgets(line, sizeof(line)-1, fp); // first line should be progname |
+ EXPECT_STREQ("not the real argv0\n", line); |
+ |
+ bool found_bool = false, found_int32 = false; |
+ while (fgets(line, sizeof(line)-1, fp)) { |
+ line[sizeof(line)-1] = '\0'; // just to be safe |
+ if (strcmp(line, "--test_bool=false\n") == 0) |
+ found_bool = true; |
+ if (strcmp(line, "--test_int32=10\n") == 0) |
+ found_int32 = true; |
+ } |
+ EXPECT_EQ(true, found_int32); |
+ EXPECT_EQ(true, found_bool); |
+ fclose(fp); |
+} |
+ |
+TEST(DeprecatedFunctionsTest, ReadFromFlagsFile) { |
+ FLAGS_test_int32 = -10; // just to make the test more interesting |
+ string filename(FLAGS_test_tmpdir + "/flagfile2"); |
+ unlink(filename.c_str()); // just to be safe |
+ bool r = AppendFlagsIntoFile(filename, GetArgv0()); |
+ EXPECT_EQ(true, r); |
+ |
+ FLAGS_test_int32 = -11; |
+ r = ReadFromFlagsFile(filename, GetArgv0(), true); |
+ EXPECT_EQ(true, r); |
+ EXPECT_EQ(-10, FLAGS_test_int32); |
+} |
+ |
+TEST(DeprecatedFunctionsTest, ReadFromFlagsFileFailure) { |
+ FLAGS_test_int32 = -20; |
+ string filename(FLAGS_test_tmpdir + "/flagfile3"); |
+ FILE* fp = fopen(filename.c_str(), "w"); |
+ EXPECT_TRUE(fp != NULL); |
+ // Note the error in the bool assignment below... |
+ fprintf(fp, "%s\n--test_int32=-21\n--test_bool=not_a_bool!\n", GetArgv0()); |
+ fclose(fp); |
+ |
+ FLAGS_test_int32 = -22; |
+ const bool r = ReadFromFlagsFile(filename, GetArgv0(), false); |
+ EXPECT_EQ(false, r); |
+ EXPECT_EQ(-22, FLAGS_test_int32); // the -21 from the flagsfile didn't take |
+} |
+ |
+TEST(FlagsSetBeforeInitGoogleTest, TryFromEnv) { |
+ EXPECT_EQ("pre-set", FLAGS_test_tryfromenv); |
+} |
+ |
+// The following test case verifies that ParseCommandLineFlags() and |
+// ParseCommandLineNonHelpFlags() uses the last definition of a flag |
+// in case it's defined more than once. |
+ |
+DEFINE_int32(test_flag, -1, "used for testing commandlineflags.cc"); |
+ |
+// Returns the definition of the --flagfile flag to be used in the tests. |
+const char* GetFlagFileFlag() { |
+ static const string flagfile_flag = string("--flagfile=") |
+ + FLAGS_srcdir + "/src/gflags_unittest_flagfile"; |
+ |
+ return flagfile_flag.c_str(); |
+} |
+ |
+// Parses and returns the --test_flag flag. |
+// If with_help is true, calls ParseCommandLineFlags; otherwise calls |
+// ParseCommandLineNonHelpFlags. |
+int32 ParseTestFlag(bool with_help, int argc, const char** const_argv) { |
+ FlagSaver fs; // Restores the flags before returning. |
+ |
+ // Makes a copy of the input array s.t. it can be reused |
+ // (ParseCommandLineFlags() will alter the array). |
+ char** const argv_save = new char*[argc + 1]; |
+ char** argv = argv_save; |
+ memcpy(argv, const_argv, sizeof(*argv)*(argc + 1)); |
+ |
+ if (with_help) { |
+ ParseCommandLineFlags(&argc, &argv, true); |
+ } else { |
+ ParseCommandLineNonHelpFlags(&argc, &argv, true); |
+ } |
+ |
+ delete[] argv_save; |
+ return FLAGS_test_flag; |
+} |
+ |
+TEST(ParseCommandLineFlagsUsesLastDefinitionTest, |
+ WhenFlagIsDefinedTwiceOnCommandLine) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--test_flag=1", |
+ "--test_flag=2", |
+ NULL, |
+ }; |
+ |
+ EXPECT_EQ(2, ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv)); |
+ EXPECT_EQ(2, ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv)); |
+} |
+ |
+TEST(ParseCommandLineFlagsUsesLastDefinitionTest, |
+ WhenFlagIsDefinedTwiceInFlagFile) { |
+ const char* argv[] = { |
+ "my_test", |
+ GetFlagFileFlag(), |
+ NULL, |
+ }; |
+ |
+ EXPECT_EQ(2, ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv)); |
+ EXPECT_EQ(2, ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv)); |
+} |
+ |
+TEST(ParseCommandLineFlagsUsesLastDefinitionTest, |
+ WhenFlagIsDefinedInCommandLineAndThenFlagFile) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--test_flag=0", |
+ GetFlagFileFlag(), |
+ NULL, |
+ }; |
+ |
+ EXPECT_EQ(2, ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv)); |
+ EXPECT_EQ(2, ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv)); |
+} |
+ |
+TEST(ParseCommandLineFlagsUsesLastDefinitionTest, |
+ WhenFlagIsDefinedInFlagFileAndThenCommandLine) { |
+ const char* argv[] = { |
+ "my_test", |
+ GetFlagFileFlag(), |
+ "--test_flag=3", |
+ NULL, |
+ }; |
+ |
+ EXPECT_EQ(3, ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv)); |
+ EXPECT_EQ(3, ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv)); |
+} |
+ |
+TEST(ParseCommandLineFlagsUsesLastDefinitionTest, |
+ WhenFlagIsDefinedInCommandLineAndFlagFileAndThenCommandLine) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--test_flag=0", |
+ GetFlagFileFlag(), |
+ "--test_flag=3", |
+ NULL, |
+ }; |
+ |
+ EXPECT_EQ(3, ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv)); |
+ EXPECT_EQ(3, ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv)); |
+} |
+ |
+TEST(ParseCommandLineFlagsAndDashArgs, TwoDashArgFirst) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--", |
+ "--test_flag=0", |
+ NULL, |
+ }; |
+ |
+ EXPECT_EQ(-1, ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv)); |
+ EXPECT_EQ(-1, ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv)); |
+} |
+ |
+TEST(ParseCommandLineFlagsAndDashArgs, TwoDashArgMiddle) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--test_flag=7", |
+ "--", |
+ "--test_flag=0", |
+ NULL, |
+ }; |
+ |
+ EXPECT_EQ(7, ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv)); |
+ EXPECT_EQ(7, ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv)); |
+} |
+ |
+TEST(ParseCommandLineFlagsAndDashArgs, OneDashArg) { |
+ const char* argv[] = { |
+ "my_test", |
+ "-", |
+ "--test_flag=0", |
+ NULL, |
+ }; |
+ |
+ EXPECT_EQ(0, ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv)); |
+ EXPECT_EQ(0, ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv)); |
+} |
+ |
+TEST(ParseCommandLineFlagsUnknownFlagDeathTest, |
+ FlagIsCompletelyUnknown) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--this_flag_does_not_exist", |
+ NULL, |
+ }; |
+ |
+ EXPECT_DEATH(ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv), |
+ "unknown command line flag.*"); |
+ EXPECT_DEATH(ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv), |
+ "unknown command line flag.*"); |
+} |
+ |
+TEST(ParseCommandLineFlagsUnknownFlagDeathTest, |
+ BoolFlagIsCompletelyUnknown) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--nothis_flag_does_not_exist", |
+ NULL, |
+ }; |
+ |
+ EXPECT_DEATH(ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv), |
+ "unknown command line flag.*"); |
+ EXPECT_DEATH(ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv), |
+ "unknown command line flag.*"); |
+} |
+ |
+TEST(ParseCommandLineFlagsUnknownFlagDeathTest, |
+ FlagIsNotABool) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--notest_string", |
+ NULL, |
+ }; |
+ |
+ EXPECT_DEATH(ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv), |
+ "boolean value .* specified for .* command line flag"); |
+ EXPECT_DEATH(ParseTestFlag(false, GET_ARRAY_SIZE(argv) - 1, argv), |
+ "boolean value .* specified for .* command line flag"); |
+} |
+ |
+TEST(ParseCommandLineFlagsWrongFields, |
+ DescriptionIsInvalid) { |
+ // These must not be automatic variables, since command line flags |
+ // aren't unregistered and gUnit uses FlagSaver to save and restore |
+ // command line flags' values. If these are on the stack, then when |
+ // later tests attempt to save and restore their values, the stack |
+ // addresses of these variables will be overwritten... Stack smash! |
+ static bool current_storage; |
+ static bool defvalue_storage; |
+ FlagRegisterer fr("flag_name", "bool", 0, "filename", |
+ ¤t_storage, &defvalue_storage); |
+ CommandLineFlagInfo fi; |
+ EXPECT_TRUE(GetCommandLineFlagInfo("flag_name", &fi)); |
+ EXPECT_EQ("", fi.description); |
+} |
+ |
+static bool ValidateTestFlagIs5(const char* flagname, int32 flagval) { |
+ if (flagval == 5) |
+ return true; |
+ printf("%s isn't 5!\n", flagname); |
+ return false; |
+} |
+ |
+static bool ValidateTestFlagIs10(const char* flagname, int32 flagval) { |
+ return flagval == 10; |
+} |
+ |
+ |
+TEST(FlagsValidator, ValidFlagViaArgv) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--test_flag=5", |
+ NULL, |
+ }; |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ EXPECT_EQ(5, ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv)); |
+ // Undo the flag validator setting |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+} |
+ |
+TEST(FlagsValidator, ValidFlagViaSetDefault) { |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ // SetCommandLineOptionWithMode returns the empty string on error. |
+ EXPECT_NE("", SetCommandLineOptionWithMode("test_flag", "5", |
+ SET_FLAG_IF_DEFAULT)); |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+} |
+ |
+TEST(FlagsValidator, ValidFlagViaSetValue) { |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ FLAGS_test_flag = 100; // doesn't trigger the validator |
+ // SetCommandLineOptionWithMode returns the empty string on error. |
+ EXPECT_NE("", SetCommandLineOptionWithMode("test_flag", "5", |
+ SET_FLAGS_VALUE)); |
+ EXPECT_NE("", SetCommandLineOptionWithMode("test_flag", "5", |
+ SET_FLAGS_DEFAULT)); |
+ EXPECT_NE("", SetCommandLineOption("test_flag", "5")); |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+} |
+ |
+TEST(FlagsValidatorDeathTest, InvalidFlagViaArgv) { |
+ const char* argv[] = { |
+ "my_test", |
+ "--test_flag=50", |
+ NULL, |
+ }; |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ EXPECT_DEATH(ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv), |
+ "ERROR: failed validation of new value '50' for flag 'test_flag'"); |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+} |
+ |
+TEST(FlagsValidator, InvalidFlagViaSetDefault) { |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ // SetCommandLineOptionWithMode returns the empty string on error. |
+ EXPECT_EQ("", SetCommandLineOptionWithMode("test_flag", "50", |
+ SET_FLAG_IF_DEFAULT)); |
+ EXPECT_EQ(-1, FLAGS_test_flag); // the setting-to-50 should have failed |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+} |
+ |
+TEST(FlagsValidator, InvalidFlagViaSetValue) { |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ FLAGS_test_flag = 100; // doesn't trigger the validator |
+ // SetCommandLineOptionWithMode returns the empty string on error. |
+ EXPECT_EQ("", SetCommandLineOptionWithMode("test_flag", "50", |
+ SET_FLAGS_VALUE)); |
+ EXPECT_EQ("", SetCommandLineOptionWithMode("test_flag", "50", |
+ SET_FLAGS_DEFAULT)); |
+ EXPECT_EQ("", SetCommandLineOption("test_flag", "50")); |
+ EXPECT_EQ(100, FLAGS_test_flag); // the setting-to-50 should have failed |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+} |
+ |
+TEST(FlagsValidatorDeathTest, InvalidFlagNeverSet) { |
+ // If a flag keeps its default value, and that default value is |
+ // invalid, we should die at argv-parse time. |
+ const char* argv[] = { |
+ "my_test", |
+ NULL, |
+ }; |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ EXPECT_DEATH(ParseTestFlag(true, GET_ARRAY_SIZE(argv) - 1, argv), |
+ "ERROR: --test_flag must be set on the commandline"); |
+} |
+ |
+TEST(FlagsValidator, InvalidFlagPtr) { |
+ int32 dummy; |
+ EXPECT_FALSE(RegisterFlagValidator(NULL, &ValidateTestFlagIs5)); |
+ EXPECT_FALSE(RegisterFlagValidator(&dummy, &ValidateTestFlagIs5)); |
+} |
+ |
+TEST(FlagsValidator, RegisterValidatorTwice) { |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ EXPECT_FALSE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs10)); |
+ EXPECT_FALSE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs10)); |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs10)); |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+} |
+ |
+TEST(FlagsValidator, CommandLineFlagInfo) { |
+ CommandLineFlagInfo info; |
+ info = GetCommandLineFlagInfoOrDie("test_flag"); |
+ EXPECT_FALSE(info.has_validator_fn); |
+ |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ info = GetCommandLineFlagInfoOrDie("test_flag"); |
+ EXPECT_TRUE(info.has_validator_fn); |
+ |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+ info = GetCommandLineFlagInfoOrDie("test_flag"); |
+ EXPECT_FALSE(info.has_validator_fn); |
+} |
+ |
+TEST(FlagsValidator, FlagSaver) { |
+ { |
+ FlagSaver fs; |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ EXPECT_EQ("", SetCommandLineOption("test_flag", "50")); // fails validation |
+ } |
+ EXPECT_NE("", SetCommandLineOption("test_flag", "50")); // validator is gone |
+ |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, &ValidateTestFlagIs5)); |
+ { |
+ FlagSaver fs; |
+ EXPECT_TRUE(RegisterFlagValidator(&FLAGS_test_flag, NULL)); |
+ EXPECT_NE("", SetCommandLineOption("test_flag", "50")); // no validator |
+ } |
+ EXPECT_EQ("", SetCommandLineOption("test_flag", "50")); // validator is back |
+} |
+ |
+ |
+static int Main(int argc, char **argv) { |
+ // We need to call SetArgv before InitGoogle, so our "test" argv will |
+ // win out over this executable's real argv. That makes running this |
+ // test with a real --help flag kinda annoying, unfortunately. |
+ const char* test_argv[] = { "/test/argv/for/gflags_unittest", |
+ "argv 2", "3rd argv", "argv #4" }; |
+ SetArgv(GET_ARRAY_SIZE(test_argv), test_argv); |
+ |
+ // The first arg is the usage message, also important for testing. |
+ string usage_message = (string(GetArgv0()) + |
+ ": <useless flag> [...]\nDoes something useless.\n"); |
+ |
+ // We test setting tryfromenv manually, and making sure initgoogle still |
+ // evaluates it. |
+ FLAGS_tryfromenv = "test_tryfromenv"; |
+ setenv("FLAGS_test_tryfromenv", "pre-set", 1); |
+ |
+ // Modify flag values from declared default value in two ways. |
+ // The recommended way: |
+ SetCommandLineOptionWithMode("changed_bool1", "true", SET_FLAGS_DEFAULT); |
+ // The non-recommended way: |
+ FLAGS_changed_bool2 = true; |
+ |
+ SetUsageMessage(usage_message.c_str()); |
+ ParseCommandLineFlags(&argc, &argv, true); |
+ |
+ mkdir(FLAGS_test_tmpdir.c_str(), 0755); |
+ |
+ return RUN_ALL_TESTS(); |
+} |
+ |
+_END_GOOGLE_NAMESPACE_ |
+ |
+int main(int argc, char** argv) { |
+ return GOOGLE_NAMESPACE::Main(argc, argv); |
+} |
Property changes on: tools/nixysa/third_party/gflags-1.0/src/gflags_unittest-main.cc |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |