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-rw-r--r--absl/algorithm/container_test.cc11
1 files changed, 11 insertions, 0 deletions
diff --git a/absl/algorithm/container_test.cc b/absl/algorithm/container_test.cc
index 7e54e2b2..e5e2bf3d 100644
--- a/absl/algorithm/container_test.cc
+++ b/absl/algorithm/container_test.cc
@@ -15,6 +15,7 @@
#include "absl/algorithm/container.h"
#include <algorithm>
+#include <array>
#include <functional>
#include <initializer_list>
#include <iterator>
@@ -31,6 +32,7 @@
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/base/casts.h"
+#include "absl/base/config.h"
#include "absl/base/macros.h"
#include "absl/memory/memory.h"
#include "absl/types/span.h"
@@ -1160,4 +1162,13 @@ TEST(MutatingTest, PermutationOperations) {
EXPECT_EQ(initial, permuted);
}
+#if defined(ABSL_INTERNAL_CPLUSPLUS_LANG) && \
+ ABSL_INTERNAL_CPLUSPLUS_LANG >= 201703L
+TEST(ConstexprTest, Distance) {
+ // Works at compile time with constexpr containers.
+ static_assert(absl::c_distance(std::array<int, 3>()) == 3);
+}
+#endif // defined(ABSL_INTERNAL_CPLUSPLUS_LANG) &&
+ // ABSL_INTERNAL_CPLUSPLUS_LANG >= 201703L
+
} // namespace