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-rw-r--r--third_party/abseil-cpp/absl/strings/string_view_test.cc95
1 files changed, 74 insertions, 21 deletions
diff --git a/third_party/abseil-cpp/absl/strings/string_view_test.cc b/third_party/abseil-cpp/absl/strings/string_view_test.cc
index 7b1d56fac7..2c13dd1c14 100644
--- a/third_party/abseil-cpp/absl/strings/string_view_test.cc
+++ b/third_party/abseil-cpp/absl/strings/string_view_test.cc
@@ -28,6 +28,7 @@
#include "gtest/gtest.h"
#include "absl/base/config.h"
#include "absl/base/dynamic_annotations.h"
+#include "absl/base/options.h"
#if defined(ABSL_HAVE_STD_STRING_VIEW) || defined(__ANDROID__)
// We don't control the death messaging when using std::string_view.
@@ -410,7 +411,7 @@ TEST(StringViewTest, STL2) {
EXPECT_EQ(a.find(e, 17), 17);
absl::string_view g("xx not found bb");
EXPECT_EQ(a.find(g), absl::string_view::npos);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(d.find(b), absl::string_view::npos);
EXPECT_EQ(e.find(b), absl::string_view::npos);
EXPECT_EQ(d.find(b, 4), absl::string_view::npos);
@@ -438,7 +439,7 @@ TEST(StringViewTest, STL2) {
EXPECT_EQ(g.find('o', 4), 4);
EXPECT_EQ(g.find('o', 5), 8);
EXPECT_EQ(a.find('b', 5), absl::string_view::npos);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(d.find('\0'), absl::string_view::npos);
EXPECT_EQ(e.find('\0'), absl::string_view::npos);
EXPECT_EQ(d.find('\0', 4), absl::string_view::npos);
@@ -448,6 +449,24 @@ TEST(StringViewTest, STL2) {
EXPECT_EQ(d.find('x', 4), absl::string_view::npos);
EXPECT_EQ(e.find('x', 7), absl::string_view::npos);
+ EXPECT_EQ(a.find(b.data(), 1, 0), 1);
+ EXPECT_EQ(a.find(c.data(), 9, 0), 9);
+ EXPECT_EQ(a.find(c.data(), absl::string_view::npos, 0),
+ absl::string_view::npos);
+ EXPECT_EQ(b.find(c.data(), absl::string_view::npos, 0),
+ absl::string_view::npos);
+ // empty string nonsense
+ EXPECT_EQ(d.find(b.data(), 4, 0), absl::string_view::npos);
+ EXPECT_EQ(e.find(b.data(), 7, 0), absl::string_view::npos);
+
+ EXPECT_EQ(a.find(b.data(), 1), absl::string_view::npos);
+ EXPECT_EQ(a.find(c.data(), 9), 23);
+ EXPECT_EQ(a.find(c.data(), absl::string_view::npos), absl::string_view::npos);
+ EXPECT_EQ(b.find(c.data(), absl::string_view::npos), absl::string_view::npos);
+ // empty string nonsense
+ EXPECT_EQ(d.find(b.data(), 4), absl::string_view::npos);
+ EXPECT_EQ(e.find(b.data(), 7), absl::string_view::npos);
+
EXPECT_EQ(a.rfind(b), 0);
EXPECT_EQ(a.rfind(b, 1), 0);
EXPECT_EQ(a.rfind(c), 23);
@@ -465,7 +484,7 @@ TEST(StringViewTest, STL2) {
EXPECT_EQ(e.rfind(b), absl::string_view::npos);
EXPECT_EQ(d.rfind(b, 4), absl::string_view::npos);
EXPECT_EQ(e.rfind(b, 7), absl::string_view::npos);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(d.rfind(d, 4), std::string().rfind(std::string()));
EXPECT_EQ(e.rfind(d, 7), std::string().rfind(std::string()));
EXPECT_EQ(d.rfind(e, 4), std::string().rfind(std::string()));
@@ -484,11 +503,19 @@ TEST(StringViewTest, STL2) {
EXPECT_EQ(f.rfind('\0', 12), 3);
EXPECT_EQ(f.rfind('3'), 2);
EXPECT_EQ(f.rfind('5'), 5);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(d.rfind('o'), absl::string_view::npos);
EXPECT_EQ(e.rfind('o'), absl::string_view::npos);
EXPECT_EQ(d.rfind('o', 4), absl::string_view::npos);
EXPECT_EQ(e.rfind('o', 7), absl::string_view::npos);
+
+ EXPECT_EQ(a.rfind(b.data(), 1, 0), 1);
+ EXPECT_EQ(a.rfind(c.data(), 22, 0), 22);
+ EXPECT_EQ(a.rfind(c.data(), 1, 0), 1);
+ EXPECT_EQ(a.rfind(c.data(), 0, 0), 0);
+ EXPECT_EQ(b.rfind(c.data(), 0, 0), 0);
+ EXPECT_EQ(d.rfind(b.data(), 4, 0), 0);
+ EXPECT_EQ(e.rfind(b.data(), 7, 0), 0);
}
// Continued from STL2
@@ -520,7 +547,7 @@ TEST(StringViewTest, STL2FindFirst) {
EXPECT_EQ(g.find_first_of(c), 0);
EXPECT_EQ(a.find_first_of(f), absl::string_view::npos);
EXPECT_EQ(f.find_first_of(a), absl::string_view::npos);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(a.find_first_of(d), absl::string_view::npos);
EXPECT_EQ(a.find_first_of(e), absl::string_view::npos);
EXPECT_EQ(d.find_first_of(b), absl::string_view::npos);
@@ -538,7 +565,7 @@ TEST(StringViewTest, STL2FindFirst) {
EXPECT_EQ(a.find_first_not_of(f), 0);
EXPECT_EQ(a.find_first_not_of(d), 0);
EXPECT_EQ(a.find_first_not_of(e), 0);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(a.find_first_not_of(d), 0);
EXPECT_EQ(a.find_first_not_of(e), 0);
EXPECT_EQ(a.find_first_not_of(d, 1), 1);
@@ -566,7 +593,7 @@ TEST(StringViewTest, STL2FindFirst) {
EXPECT_EQ(f.find_first_not_of('\0'), 0);
EXPECT_EQ(f.find_first_not_of('\0', 3), 4);
EXPECT_EQ(f.find_first_not_of('\0', 2), 2);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(d.find_first_not_of('x'), absl::string_view::npos);
EXPECT_EQ(e.find_first_not_of('x'), absl::string_view::npos);
EXPECT_EQ(d.find_first_not_of('\0'), absl::string_view::npos);
@@ -606,7 +633,7 @@ TEST(StringViewTest, STL2FindLast) {
EXPECT_EQ(f.find_last_of(i, 5), 5);
EXPECT_EQ(f.find_last_of(i, 6), 6);
EXPECT_EQ(f.find_last_of(a, 4), absl::string_view::npos);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(f.find_last_of(d), absl::string_view::npos);
EXPECT_EQ(f.find_last_of(e), absl::string_view::npos);
EXPECT_EQ(f.find_last_of(d, 4), absl::string_view::npos);
@@ -632,7 +659,7 @@ TEST(StringViewTest, STL2FindLast) {
EXPECT_EQ(a.find_last_not_of(c, 24), 22);
EXPECT_EQ(a.find_last_not_of(b, 3), 3);
EXPECT_EQ(a.find_last_not_of(b, 2), absl::string_view::npos);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(f.find_last_not_of(d), f.size()-1);
EXPECT_EQ(f.find_last_not_of(e), f.size()-1);
EXPECT_EQ(f.find_last_not_of(d, 4), 4);
@@ -656,7 +683,7 @@ TEST(StringViewTest, STL2FindLast) {
EXPECT_EQ(h.find_last_not_of('x', 2), 2);
EXPECT_EQ(h.find_last_not_of('=', 2), absl::string_view::npos);
EXPECT_EQ(b.find_last_not_of('b', 1), 0);
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(d.find_last_not_of('x'), absl::string_view::npos);
EXPECT_EQ(e.find_last_not_of('x'), absl::string_view::npos);
EXPECT_EQ(d.find_last_not_of('\0'), absl::string_view::npos);
@@ -677,8 +704,9 @@ TEST(StringViewTest, STL2Substr) {
EXPECT_EQ(a.substr(23, 3), c);
EXPECT_EQ(a.substr(23, 99), c);
EXPECT_EQ(a.substr(0), a);
+ EXPECT_EQ(a.substr(), a);
EXPECT_EQ(a.substr(3, 2), "de");
- // empty std::string nonsense
+ // empty string nonsense
EXPECT_EQ(d.substr(0, 99), e);
// use of npos
EXPECT_EQ(a.substr(0, absl::string_view::npos), a);
@@ -820,7 +848,7 @@ TEST(StringViewTest, FrontBackSingleChar) {
TEST(StringViewTest, FrontBackEmpty) {
#ifndef ABSL_USES_STD_STRING_VIEW
-#ifndef NDEBUG
+#if !defined(NDEBUG) || ABSL_OPTION_HARDENED
// Abseil's string_view implementation has debug assertions that check that
// front() and back() are not called on an empty string_view.
absl::string_view sv;
@@ -859,7 +887,7 @@ TEST(StringViewTest, NULLInput) {
EXPECT_EQ(s.size(), 0);
// .ToString() on a absl::string_view with nullptr should produce the empty
- // std::string.
+ // string.
EXPECT_EQ("", std::string(s));
#endif // ABSL_HAVE_STRING_VIEW_FROM_NULLPTR
}
@@ -914,9 +942,9 @@ TEST(StringViewTest, At) {
EXPECT_EQ(abc.at(1), 'b');
EXPECT_EQ(abc.at(2), 'c');
#ifdef ABSL_HAVE_EXCEPTIONS
- EXPECT_THROW(abc.at(3), std::out_of_range);
+ EXPECT_THROW((void)abc.at(3), std::out_of_range);
#else
- ABSL_EXPECT_DEATH_IF_SUPPORTED(abc.at(3), "absl::string_view::at");
+ ABSL_EXPECT_DEATH_IF_SUPPORTED((void)abc.at(3), "absl::string_view::at");
#endif
}
@@ -977,7 +1005,7 @@ TEST(StringViewTest, ConstexprCompiles) {
#if defined(ABSL_USES_STD_STRING_VIEW)
// In libstdc++ (as of 7.2), `std::string_view::string_view(const char*)`
- // calls `std::char_traits<char>::length(const char*)` to get the std::string
+ // calls `std::char_traits<char>::length(const char*)` to get the string
// length, but it is not marked constexpr yet. See GCC bug:
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78156
// Also, there is a LWG issue that adds constexpr to length() which was just
@@ -1086,6 +1114,31 @@ TEST(StringViewTest, ConstexprCompiles) {
EXPECT_EQ(sp_npos, -1);
}
+constexpr char ConstexprMethodsHelper() {
+#if defined(__cplusplus) && __cplusplus >= 201402L
+ absl::string_view str("123", 3);
+ str.remove_prefix(1);
+ str.remove_suffix(1);
+ absl::string_view bar;
+ str.swap(bar);
+ return bar.front();
+#else
+ return '2';
+#endif
+}
+
+TEST(StringViewTest, ConstexprMethods) {
+ // remove_prefix, remove_suffix, swap
+ static_assert(ConstexprMethodsHelper() == '2', "");
+
+ // substr
+ constexpr absl::string_view foobar("foobar", 6);
+ constexpr absl::string_view foo = foobar.substr(0, 3);
+ constexpr absl::string_view bar = foobar.substr(3);
+ EXPECT_EQ(foo, "foo");
+ EXPECT_EQ(bar, "bar");
+}
+
TEST(StringViewTest, Noexcept) {
EXPECT_TRUE((std::is_nothrow_constructible<absl::string_view,
const std::string&>::value));
@@ -1122,7 +1175,7 @@ TEST(StringViewTest, Noexcept) {
TEST(StringViewTest, BoundsCheck) {
#ifndef ABSL_USES_STD_STRING_VIEW
-#ifndef NDEBUG
+#if !defined(NDEBUG) || ABSL_OPTION_HARDENED
// Abseil's string_view implementation has bounds-checking in debug mode.
absl::string_view h = "hello";
ABSL_EXPECT_DEATH_IF_SUPPORTED(h[5], "");
@@ -1168,11 +1221,11 @@ TEST(FindOneCharTest, EdgeCases) {
EXPECT_EQ(absl::string_view::npos, a.rfind('x'));
}
-#ifndef THREAD_SANITIZER // Allocates too much memory for tsan.
+#ifndef ABSL_HAVE_THREAD_SANITIZER // Allocates too much memory for tsan.
TEST(HugeStringView, TwoPointTwoGB) {
- if (sizeof(size_t) <= 4 || RunningOnValgrind())
+ if (sizeof(size_t) <= 4)
return;
- // Try a huge std::string piece.
+ // Try a huge string piece.
const size_t size = size_t{2200} * 1000 * 1000;
std::string s(size, 'a');
absl::string_view sp(s);
@@ -1182,7 +1235,7 @@ TEST(HugeStringView, TwoPointTwoGB) {
sp.remove_suffix(2);
EXPECT_EQ(size - 1 - 2, sp.length());
}
-#endif // THREAD_SANITIZER
+#endif // ABSL_HAVE_THREAD_SANITIZER
#if !defined(NDEBUG) && !defined(ABSL_USES_STD_STRING_VIEW)
TEST(NonNegativeLenTest, NonNegativeLen) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-12 18:22:12 +0000