Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 280 insertions, 0 deletions

diff --git a/third_party/libwebrtc/system_wrappers/source/ntp_time_unittest.cc b/third_party/libwebrtc/system_wrappers/source/ntp_time_unittest.cc
new file mode 100644
index 0000000000..0705531e37
--- /dev/null
+++ b/third_party/libwebrtc/system_wrappers/source/ntp_time_unittest.cc
@@ -0,0 +1,280 @@
+/*
+ *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "system_wrappers/include/ntp_time.h"
+
+#include <random>
+
+#include "system_wrappers/include/clock.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace {
+
+constexpr uint32_t kNtpSec = 0x12345678;
+constexpr uint32_t kNtpFrac = 0x23456789;
+
+constexpr int64_t kOneSecQ32x32 = uint64_t{1} << 32;
+constexpr int64_t kOneMsQ32x32 = 4294967;
+
+TEST(NtpTimeTest, NoValueMeansInvalid) {
+  NtpTime ntp;
+  EXPECT_FALSE(ntp.Valid());
+}
+
+TEST(NtpTimeTest, CanResetValue) {
+  NtpTime ntp(kNtpSec, kNtpFrac);
+  EXPECT_TRUE(ntp.Valid());
+  ntp.Reset();
+  EXPECT_FALSE(ntp.Valid());
+}
+
+TEST(NtpTimeTest, CanGetWhatIsSet) {
+  NtpTime ntp;
+  ntp.Set(kNtpSec, kNtpFrac);
+  EXPECT_EQ(kNtpSec, ntp.seconds());
+  EXPECT_EQ(kNtpFrac, ntp.fractions());
+}
+
+TEST(NtpTimeTest, SetIsSameAs2ParameterConstructor) {
+  NtpTime ntp1(kNtpSec, kNtpFrac);
+  NtpTime ntp2;
+  EXPECT_NE(ntp1, ntp2);
+
+  ntp2.Set(kNtpSec, kNtpFrac);
+  EXPECT_EQ(ntp1, ntp2);
+}
+
+TEST(NtpTimeTest, ToMsMeansToNtpMilliseconds) {
+  SimulatedClock clock(0x123456789abc);
+
+  NtpTime ntp = clock.CurrentNtpTime();
+  EXPECT_EQ(ntp.ToMs(), clock.CurrentNtpInMilliseconds());
+}
+
+TEST(NtpTimeTest, CanExplicitlyConvertToAndFromUint64) {
+  uint64_t untyped_time = 0x123456789;
+  NtpTime time(untyped_time);
+  EXPECT_EQ(untyped_time, static_cast<uint64_t>(time));
+  EXPECT_EQ(NtpTime(0x12345678, 0x90abcdef), NtpTime(0x1234567890abcdef));
+}
+
+TEST(NtpTimeTest, VerifyInt64MsToQ32x32NearZero) {
+  // Zero
+  EXPECT_EQ(Int64MsToQ32x32(0), 0);
+
+  // Zero + 1 millisecond
+  EXPECT_EQ(Int64MsToQ32x32(1), kOneMsQ32x32);
+
+  // Zero - 1 millisecond
+  EXPECT_EQ(Int64MsToQ32x32(-1), -kOneMsQ32x32);
+
+  // Zero + 1 second
+  EXPECT_EQ(Int64MsToQ32x32(1000), kOneSecQ32x32);
+
+  // Zero - 1 second
+  EXPECT_EQ(Int64MsToQ32x32(-1000), -kOneSecQ32x32);
+}
+
+TEST(NtpTimeTest, VerifyInt64MsToUQ32x32NearZero) {
+  // Zero
+  EXPECT_EQ(Int64MsToUQ32x32(0), uint64_t{0});
+
+  // Zero + 1 millisecond
+  EXPECT_EQ(Int64MsToUQ32x32(1), uint64_t{kOneMsQ32x32});
+
+  // Zero - 1 millisecond
+  EXPECT_EQ(Int64MsToUQ32x32(-1), uint64_t{0});  // Clamped
+
+  // Zero + 1 second
+  EXPECT_EQ(Int64MsToUQ32x32(1000), uint64_t{kOneSecQ32x32});
+
+  // Zero - 1 second
+  EXPECT_EQ(Int64MsToUQ32x32(-1000), uint64_t{0});  // Clamped
+}
+
+TEST(NtpTimeTest, VerifyQ32x32ToInt64MsNearZero) {
+  // Zero
+  EXPECT_EQ(Q32x32ToInt64Ms(0), 0);
+
+  // Zero + 1 millisecond
+  EXPECT_EQ(Q32x32ToInt64Ms(kOneMsQ32x32), 1);
+
+  // Zero - 1 millisecond
+  EXPECT_EQ(Q32x32ToInt64Ms(-kOneMsQ32x32), -1);
+
+  // Zero + 1 second
+  EXPECT_EQ(Q32x32ToInt64Ms(kOneSecQ32x32), 1000);
+
+  // Zero - 1 second
+  EXPECT_EQ(Q32x32ToInt64Ms(-kOneSecQ32x32), -1000);
+}
+
+TEST(NtpTimeTest, VerifyUQ32x32ToInt64MsNearZero) {
+  // Zero
+  EXPECT_EQ(UQ32x32ToInt64Ms(0), 0);
+
+  // Zero + 1 millisecond
+  EXPECT_EQ(UQ32x32ToInt64Ms(kOneMsQ32x32), 1);
+
+  // Zero + 1 second
+  EXPECT_EQ(UQ32x32ToInt64Ms(kOneSecQ32x32), 1000);
+}
+
+TEST(NtpTimeTest, VerifyInt64MsToQ32x32NearMax) {
+  constexpr int64_t kMaxQ32x32 = std::numeric_limits<int64_t>::max();
+  constexpr int64_t kBoundaryMs = (kMaxQ32x32 >> 32) * 1000 + 999;
+
+  // Max
+  const int64_t boundary_q32x32 = Int64MsToQ32x32(kBoundaryMs);
+  EXPECT_LE(boundary_q32x32, kMaxQ32x32);
+  EXPECT_GT(boundary_q32x32, kMaxQ32x32 - kOneMsQ32x32);
+
+  // Max + 1 millisecond
+  EXPECT_EQ(Int64MsToQ32x32(kBoundaryMs + 1), kMaxQ32x32);  // Clamped
+
+  // Max - 1 millisecond
+  EXPECT_LE(Int64MsToQ32x32(kBoundaryMs - 1), kMaxQ32x32 - kOneMsQ32x32);
+
+  // Max + 1 second
+  EXPECT_EQ(Int64MsToQ32x32(kBoundaryMs + 1000), kMaxQ32x32);  // Clamped
+
+  // Max - 1 second
+  EXPECT_LE(Int64MsToQ32x32(kBoundaryMs - 1000), kMaxQ32x32 - kOneSecQ32x32);
+}
+
+TEST(NtpTimeTest, VerifyInt64MsToUQ32x32NearMax) {
+  constexpr uint64_t kMaxUQ32x32 = std::numeric_limits<uint64_t>::max();
+  constexpr int64_t kBoundaryMs = (kMaxUQ32x32 >> 32) * 1000 + 999;
+
+  // Max
+  const uint64_t boundary_uq32x32 = Int64MsToUQ32x32(kBoundaryMs);
+  EXPECT_LE(boundary_uq32x32, kMaxUQ32x32);
+  EXPECT_GT(boundary_uq32x32, kMaxUQ32x32 - kOneMsQ32x32);
+
+  // Max + 1 millisecond
+  EXPECT_EQ(Int64MsToUQ32x32(kBoundaryMs + 1), kMaxUQ32x32);  // Clamped
+
+  // Max - 1 millisecond
+  EXPECT_LE(Int64MsToUQ32x32(kBoundaryMs - 1), kMaxUQ32x32 - kOneMsQ32x32);
+
+  // Max + 1 second
+  EXPECT_EQ(Int64MsToUQ32x32(kBoundaryMs + 1000), kMaxUQ32x32);  // Clamped
+
+  // Max - 1 second
+  EXPECT_LE(Int64MsToUQ32x32(kBoundaryMs - 1000), kMaxUQ32x32 - kOneSecQ32x32);
+}
+
+TEST(NtpTimeTest, VerifyQ32x32ToInt64MsNearMax) {
+  constexpr int64_t kMaxQ32x32 = std::numeric_limits<int64_t>::max();
+  constexpr int64_t kBoundaryMs = (kMaxQ32x32 >> 32) * 1000 + 1000;
+
+  // Max
+  EXPECT_EQ(Q32x32ToInt64Ms(kMaxQ32x32), kBoundaryMs);
+
+  // Max - 1 millisecond
+  EXPECT_EQ(Q32x32ToInt64Ms(kMaxQ32x32 - kOneMsQ32x32), kBoundaryMs - 1);
+
+  // Max - 1 second
+  EXPECT_EQ(Q32x32ToInt64Ms(kMaxQ32x32 - kOneSecQ32x32), kBoundaryMs - 1000);
+}
+
+TEST(NtpTimeTest, VerifyUQ32x32ToInt64MsNearMax) {
+  constexpr uint64_t kMaxUQ32x32 = std::numeric_limits<uint64_t>::max();
+  constexpr int64_t kBoundaryMs = (kMaxUQ32x32 >> 32) * 1000 + 1000;
+
+  // Max
+  EXPECT_EQ(UQ32x32ToInt64Ms(kMaxUQ32x32), kBoundaryMs);
+
+  // Max - 1 millisecond
+  EXPECT_EQ(UQ32x32ToInt64Ms(kMaxUQ32x32 - kOneMsQ32x32), kBoundaryMs - 1);
+
+  // Max - 1 second
+  EXPECT_EQ(UQ32x32ToInt64Ms(kMaxUQ32x32 - kOneSecQ32x32), kBoundaryMs - 1000);
+}
+
+TEST(NtpTimeTest, VerifyInt64MsToQ32x32NearMin) {
+  constexpr int64_t kBoundaryQ32x32 = 0x8000000000000000;
+  constexpr int64_t kBoundaryMs = -int64_t{0x80000000} * 1000;
+
+  // Min
+  EXPECT_EQ(Int64MsToQ32x32(kBoundaryMs), kBoundaryQ32x32);
+
+  // Min + 1 millisecond
+  EXPECT_EQ(Q32x32ToInt64Ms(Int64MsToQ32x32(kBoundaryMs + 1)), kBoundaryMs + 1);
+
+  // Min - 1 millisecond
+  EXPECT_EQ(Int64MsToQ32x32(kBoundaryMs - 1), kBoundaryQ32x32);  // Clamped
+
+  // Min + 1 second
+  EXPECT_EQ(Int64MsToQ32x32(kBoundaryMs + 1000),
+            kBoundaryQ32x32 + kOneSecQ32x32);
+
+  // Min - 1 second
+  EXPECT_EQ(Int64MsToQ32x32(kBoundaryMs - 1000), kBoundaryQ32x32);  // Clamped
+}
+
+TEST(NtpTimeTest, VerifyQ32x32ToInt64MsNearMin) {
+  constexpr int64_t kBoundaryQ32x32 = 0x8000000000000000;
+  constexpr int64_t kBoundaryMs = -int64_t{0x80000000} * 1000;
+
+  // Min
+  EXPECT_EQ(Q32x32ToInt64Ms(kBoundaryQ32x32), kBoundaryMs);
+
+  // Min + 1 millisecond
+  EXPECT_EQ(Q32x32ToInt64Ms(kBoundaryQ32x32 + kOneMsQ32x32), kBoundaryMs + 1);
+
+  // Min + 1 second
+  EXPECT_EQ(Q32x32ToInt64Ms(kBoundaryQ32x32 + kOneSecQ32x32),
+            kBoundaryMs + 1000);
+}
+
+TEST(NtpTimeTest, VerifyInt64MsToQ32x32RoundTrip) {
+  constexpr int kIterations = 50000;
+
+  std::mt19937 generator(123456789);
+  std::uniform_int_distribution<int64_t> distribution(
+      Q32x32ToInt64Ms(std::numeric_limits<int64_t>::min()),
+      Q32x32ToInt64Ms(std::numeric_limits<int64_t>::max()));
+
+  for (int iteration = 0; iteration < kIterations; ++iteration) {
+    int64_t input_ms = distribution(generator);
+    int64_t transit_q32x32 = Int64MsToQ32x32(input_ms);
+    int64_t output_ms = Q32x32ToInt64Ms(transit_q32x32);
+
+    ASSERT_EQ(input_ms, output_ms)
+        << "iteration = " << iteration << ", input_ms = " << input_ms
+        << ", transit_q32x32 = " << transit_q32x32
+        << ", output_ms = " << output_ms;
+  }
+}
+
+TEST(NtpTimeTest, VerifyInt64MsToUQ32x32RoundTrip) {
+  constexpr int kIterations = 50000;
+
+  std::mt19937 generator(123456789);
+  std::uniform_int_distribution<uint64_t> distribution(
+      UQ32x32ToInt64Ms(std::numeric_limits<uint64_t>::min()),
+      UQ32x32ToInt64Ms(std::numeric_limits<uint64_t>::max()));
+
+  for (int iteration = 0; iteration < kIterations; ++iteration) {
+    uint64_t input_ms = distribution(generator);
+    uint64_t transit_uq32x32 = Int64MsToUQ32x32(input_ms);
+    uint64_t output_ms = UQ32x32ToInt64Ms(transit_uq32x32);
+
+    ASSERT_EQ(input_ms, output_ms)
+        << "iteration = " << iteration << ", input_ms = " << input_ms
+        << ", transit_uq32x32 = " << transit_uq32x32
+        << ", output_ms = " << output_ms;
+  }
+}
+
+}  // namespace
+}  // namespace webrtc