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-rw-r--r--absl/flags/reflection_test.cc31
1 files changed, 31 insertions, 0 deletions
diff --git a/absl/flags/reflection_test.cc b/absl/flags/reflection_test.cc
index 2da0a0ec..1a1dcb4a 100644
--- a/absl/flags/reflection_test.cc
+++ b/absl/flags/reflection_test.cc
@@ -18,7 +18,9 @@
#include <memory>
#include <string>
+#include "gmock/gmock.h"
#include "gtest/gtest.h"
+#include "absl/flags/declare.h"
#include "absl/flags/flag.h"
#include "absl/flags/internal/commandlineflag.h"
#include "absl/flags/marshalling.h"
@@ -30,6 +32,8 @@ ABSL_FLAG(int, int_flag, 1, "int_flag help");
ABSL_FLAG(std::string, string_flag, "dflt", "string_flag help");
ABSL_RETIRED_FLAG(bool, bool_retired_flag, false, "bool_retired_flag help");
+ABSL_DECLARE_FLAG(bool, help);
+
namespace {
namespace flags = absl::flags_internal;
@@ -61,6 +65,33 @@ TEST_F(ReflectionTest, TestFindCommandLineFlag) {
// --------------------------------------------------------------------
+TEST_F(ReflectionTest, TestGetAllFlags) {
+ (void)absl::GetFlag(FLAGS_help); // Force linking of usage flags.
+
+ auto all_flags = absl::GetAllFlags();
+ EXPECT_NE(all_flags.find("int_flag"), all_flags.end());
+ EXPECT_NE(all_flags.find("bool_retired_flag"), all_flags.end());
+ EXPECT_NE(all_flags.find("help"), all_flags.end());
+ EXPECT_EQ(all_flags.find("some_undefined_flag"), all_flags.end());
+
+ std::vector<absl::string_view> flag_names_first_attempt;
+ auto all_flags_1 = absl::GetAllFlags();
+ for (auto f : all_flags_1) {
+ flag_names_first_attempt.push_back(f.first);
+ }
+
+ std::vector<absl::string_view> flag_names_second_attempt;
+ auto all_flags_2 = absl::GetAllFlags();
+ for (auto f : all_flags_2) {
+ flag_names_second_attempt.push_back(f.first);
+ }
+
+ EXPECT_THAT(flag_names_first_attempt,
+ ::testing::UnorderedElementsAreArray(flag_names_second_attempt));
+}
+
+// --------------------------------------------------------------------
+
struct CustomUDT {
CustomUDT() : a(1), b(1) {}
CustomUDT(int a_, int b_) : a(a_), b(b_) {}