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authorColin Cross <ccross@android.com>2022-04-13 03:15:00 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2022-04-13 03:15:00 +0000
commit6c9587948173932b64d97c288a947e43d2a2ac14 (patch)
tree2ce94d7f0804ccb77d1fa9b2a1bca00eecdff1e2 /third_party/abseil-cpp/absl/numeric/int128_test.cc
parentf60eaea2240ba9e1c508e8e0c91d39ee9fc47be5 (diff)
parent43d8f56cdc20240b37c36bf417dd0d6999bce738 (diff)
downloadwebrtc-android13-qpr2-s3-release.tar.gz
Merge changes I0ab600cd,I1e74c64a am: 798f3afdf6 am: 2f9c4b2c3b am: a9167328fc am: 7563023510 am: 43d8f56cdcandroid-13.0.0_r83android-13.0.0_r82android-13.0.0_r81android-13.0.0_r80android-13.0.0_r79android-13.0.0_r78android-13.0.0_r77android-13.0.0_r76android-13.0.0_r75android-13.0.0_r74android-13.0.0_r73android-13.0.0_r72android-13.0.0_r71android-13.0.0_r70android-13.0.0_r69android-13.0.0_r68android-13.0.0_r67android-13.0.0_r66android-13.0.0_r65android-13.0.0_r64android-13.0.0_r63android-13.0.0_r62android-13.0.0_r61android-13.0.0_r60android-13.0.0_r59android-13.0.0_r58android-13.0.0_r56android-13.0.0_r54android-13.0.0_r53android-13.0.0_r52android-13.0.0_r51android-13.0.0_r50android-13.0.0_r49android-13.0.0_r48android-13.0.0_r47android-13.0.0_r46android-13.0.0_r45android-13.0.0_r44android-13.0.0_r43android-13.0.0_r42android-13.0.0_r41android-13.0.0_r40android-13.0.0_r39android-13.0.0_r38android-13.0.0_r37android-13.0.0_r36android-13.0.0_r35android-13.0.0_r34android-13.0.0_r33android-13.0.0_r32android13-qpr3-s9-releaseandroid13-qpr3-s8-releaseandroid13-qpr3-s7-releaseandroid13-qpr3-s6-releaseandroid13-qpr3-s5-releaseandroid13-qpr3-s4-releaseandroid13-qpr3-s3-releaseandroid13-qpr3-s2-releaseandroid13-qpr3-s14-releaseandroid13-qpr3-s13-releaseandroid13-qpr3-s12-releaseandroid13-qpr3-s11-releaseandroid13-qpr3-s10-releaseandroid13-qpr3-s1-releaseandroid13-qpr3-releaseandroid13-qpr3-c-s8-releaseandroid13-qpr3-c-s7-releaseandroid13-qpr3-c-s6-releaseandroid13-qpr3-c-s5-releaseandroid13-qpr3-c-s4-releaseandroid13-qpr3-c-s3-releaseandroid13-qpr3-c-s2-releaseandroid13-qpr3-c-s12-releaseandroid13-qpr3-c-s11-releaseandroid13-qpr3-c-s10-releaseandroid13-qpr3-c-s1-releaseandroid13-qpr2-s9-releaseandroid13-qpr2-s8-releaseandroid13-qpr2-s7-releaseandroid13-qpr2-s6-releaseandroid13-qpr2-s5-releaseandroid13-qpr2-s3-releaseandroid13-qpr2-s2-releaseandroid13-qpr2-s12-releaseandroid13-qpr2-s11-releaseandroid13-qpr2-s10-releaseandroid13-qpr2-s1-releaseandroid13-qpr2-releaseandroid13-qpr2-b-s1-releaseandroid13-d4-s2-releaseandroid13-d4-s1-releaseandroid13-d4-release
Original change: https://android-review.googlesource.com/c/platform/external/webrtc/+/2062410 Change-Id: I1aa9f459b825711b800cc65782979943a9151ec7 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
Diffstat (limited to 'third_party/abseil-cpp/absl/numeric/int128_test.cc')
-rw-r--r--third_party/abseil-cpp/absl/numeric/int128_test.cc36
1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/abseil-cpp/absl/numeric/int128_test.cc b/third_party/abseil-cpp/absl/numeric/int128_test.cc
index bc86c714ac..dd9425d77a 100644
--- a/third_party/abseil-cpp/absl/numeric/int128_test.cc
+++ b/third_party/abseil-cpp/absl/numeric/int128_test.cc
@@ -226,6 +226,11 @@ TEST(Uint128, AllTests) {
EXPECT_EQ(test >>= 1, one);
EXPECT_EQ(test <<= 1, two);
+ EXPECT_EQ(big, +big);
+ EXPECT_EQ(two, +two);
+ EXPECT_EQ(absl::Uint128Max(), +absl::Uint128Max());
+ EXPECT_EQ(zero, +zero);
+
EXPECT_EQ(big, -(-big));
EXPECT_EQ(two, -((-one) - 1));
EXPECT_EQ(absl::Uint128Max(), -one);
@@ -234,6 +239,24 @@ TEST(Uint128, AllTests) {
EXPECT_EQ(absl::Uint128Max(), absl::kuint128max);
}
+TEST(Int128, RightShiftOfNegativeNumbers) {
+ absl::int128 minus_six = -6;
+ absl::int128 minus_three = -3;
+ absl::int128 minus_two = -2;
+ absl::int128 minus_one = -1;
+ if ((-6 >> 1) == -3) {
+ // Right shift is arithmetic (sign propagates)
+ EXPECT_EQ(minus_six >> 1, minus_three);
+ EXPECT_EQ(minus_six >> 2, minus_two);
+ EXPECT_EQ(minus_six >> 65, minus_one);
+ } else {
+ // Right shift is logical (zeros shifted in at MSB)
+ EXPECT_EQ(minus_six >> 1, absl::int128(absl::uint128(minus_six) >> 1));
+ EXPECT_EQ(minus_six >> 2, absl::int128(absl::uint128(minus_six) >> 2));
+ EXPECT_EQ(minus_six >> 65, absl::int128(absl::uint128(minus_six) >> 65));
+ }
+}
+
TEST(Uint128, ConversionTests) {
EXPECT_TRUE(absl::MakeUint128(1, 0));
@@ -769,6 +792,19 @@ TEST(Int128, ComparisonTest) {
}
}
+TEST(Int128, UnaryPlusTest) {
+ int64_t values64[] = {0, 1, 12345, 0x4000000000000000,
+ std::numeric_limits<int64_t>::max()};
+ for (int64_t value : values64) {
+ SCOPED_TRACE(::testing::Message() << "value = " << value);
+
+ EXPECT_EQ(absl::int128(value), +absl::int128(value));
+ EXPECT_EQ(absl::int128(-value), +absl::int128(-value));
+ EXPECT_EQ(absl::MakeInt128(value, 0), +absl::MakeInt128(value, 0));
+ EXPECT_EQ(absl::MakeInt128(-value, 0), +absl::MakeInt128(-value, 0));
+ }
+}
+
TEST(Int128, UnaryNegationTest) {
int64_t values64[] = {0, 1, 12345, 0x4000000000000000,
std::numeric_limits<int64_t>::max()};