Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 251 insertions, 0 deletions

diff --git a/third_party/libwebrtc/rtc_base/units/unit_base_unittest.cc b/third_party/libwebrtc/rtc_base/units/unit_base_unittest.cc
new file mode 100644
index 0000000000..258d7d1268
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/units/unit_base_unittest.cc
@@ -0,0 +1,251 @@
+/*
+ *  Copyright (c) 2018 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 "rtc_base/units/unit_base.h"
+
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace {
+class TestUnit final : public rtc_units_impl::RelativeUnit<TestUnit> {
+ public:
+  TestUnit() = delete;
+
+  using UnitBase::FromValue;
+  using UnitBase::ToValue;
+  using UnitBase::ToValueOr;
+
+  template <typename T>
+  static constexpr TestUnit FromKilo(T kilo) {
+    return FromFraction(1000, kilo);
+  }
+  template <typename T = int64_t>
+  T ToKilo() const {
+    return UnitBase::ToFraction<1000, T>();
+  }
+  constexpr int64_t ToKiloOr(int64_t fallback) const {
+    return UnitBase::ToFractionOr<1000>(fallback);
+  }
+  template <typename T>
+  constexpr T ToMilli() const {
+    return UnitBase::ToMultiple<1000, T>();
+  }
+
+ private:
+  friend class rtc_units_impl::UnitBase<TestUnit>;
+  static constexpr bool one_sided = false;
+  using RelativeUnit<TestUnit>::RelativeUnit;
+};
+constexpr TestUnit TestUnitAddKilo(TestUnit value, int add_kilo) {
+  value += TestUnit::FromKilo(add_kilo);
+  return value;
+}
+}  // namespace
+namespace test {
+TEST(UnitBaseTest, ConstExpr) {
+  constexpr int64_t kValue = -12345;
+  constexpr TestUnit kTestUnitZero = TestUnit::Zero();
+  constexpr TestUnit kTestUnitPlusInf = TestUnit::PlusInfinity();
+  constexpr TestUnit kTestUnitMinusInf = TestUnit::MinusInfinity();
+  static_assert(kTestUnitZero.IsZero(), "");
+  static_assert(kTestUnitPlusInf.IsPlusInfinity(), "");
+  static_assert(kTestUnitMinusInf.IsMinusInfinity(), "");
+  static_assert(kTestUnitPlusInf.ToKiloOr(-1) == -1, "");
+
+  static_assert(kTestUnitPlusInf > kTestUnitZero, "");
+
+  constexpr TestUnit kTestUnitKilo = TestUnit::FromKilo(kValue);
+  constexpr TestUnit kTestUnitValue = TestUnit::FromValue(kValue);
+
+  static_assert(kTestUnitKilo.ToKiloOr(0) == kValue, "");
+  static_assert(kTestUnitValue.ToValueOr(0) == kValue, "");
+  static_assert(TestUnitAddKilo(kTestUnitValue, 2).ToValue() == kValue + 2000,
+                "");
+  static_assert(TestUnit::FromValue(500) / 2 == TestUnit::FromValue(250));
+}
+
+TEST(UnitBaseTest, GetBackSameValues) {
+  const int64_t kValue = 499;
+  for (int sign = -1; sign <= 1; ++sign) {
+    int64_t value = kValue * sign;
+    EXPECT_EQ(TestUnit::FromKilo(value).ToKilo(), value);
+    EXPECT_EQ(TestUnit::FromValue(value).ToValue<int64_t>(), value);
+  }
+  EXPECT_EQ(TestUnit::Zero().ToValue<int64_t>(), 0);
+}
+
+TEST(UnitBaseTest, GetDifferentPrefix) {
+  const int64_t kValue = 3000000;
+  EXPECT_EQ(TestUnit::FromValue(kValue).ToKilo(), kValue / 1000);
+  EXPECT_EQ(TestUnit::FromKilo(kValue).ToValue<int64_t>(), kValue * 1000);
+}
+
+TEST(UnitBaseTest, IdentityChecks) {
+  const int64_t kValue = 3000;
+  EXPECT_TRUE(TestUnit::Zero().IsZero());
+  EXPECT_FALSE(TestUnit::FromKilo(kValue).IsZero());
+
+  EXPECT_TRUE(TestUnit::PlusInfinity().IsInfinite());
+  EXPECT_TRUE(TestUnit::MinusInfinity().IsInfinite());
+  EXPECT_FALSE(TestUnit::Zero().IsInfinite());
+  EXPECT_FALSE(TestUnit::FromKilo(-kValue).IsInfinite());
+  EXPECT_FALSE(TestUnit::FromKilo(kValue).IsInfinite());
+
+  EXPECT_FALSE(TestUnit::PlusInfinity().IsFinite());
+  EXPECT_FALSE(TestUnit::MinusInfinity().IsFinite());
+  EXPECT_TRUE(TestUnit::FromKilo(-kValue).IsFinite());
+  EXPECT_TRUE(TestUnit::FromKilo(kValue).IsFinite());
+  EXPECT_TRUE(TestUnit::Zero().IsFinite());
+
+  EXPECT_TRUE(TestUnit::PlusInfinity().IsPlusInfinity());
+  EXPECT_FALSE(TestUnit::MinusInfinity().IsPlusInfinity());
+
+  EXPECT_TRUE(TestUnit::MinusInfinity().IsMinusInfinity());
+  EXPECT_FALSE(TestUnit::PlusInfinity().IsMinusInfinity());
+}
+
+TEST(UnitBaseTest, ComparisonOperators) {
+  const int64_t kSmall = 450;
+  const int64_t kLarge = 451;
+  const TestUnit small = TestUnit::FromKilo(kSmall);
+  const TestUnit large = TestUnit::FromKilo(kLarge);
+
+  EXPECT_EQ(TestUnit::Zero(), TestUnit::FromKilo(0));
+  EXPECT_EQ(TestUnit::PlusInfinity(), TestUnit::PlusInfinity());
+  EXPECT_EQ(small, TestUnit::FromKilo(kSmall));
+  EXPECT_LE(small, TestUnit::FromKilo(kSmall));
+  EXPECT_GE(small, TestUnit::FromKilo(kSmall));
+  EXPECT_NE(small, TestUnit::FromKilo(kLarge));
+  EXPECT_LE(small, TestUnit::FromKilo(kLarge));
+  EXPECT_LT(small, TestUnit::FromKilo(kLarge));
+  EXPECT_GE(large, TestUnit::FromKilo(kSmall));
+  EXPECT_GT(large, TestUnit::FromKilo(kSmall));
+  EXPECT_LT(TestUnit::Zero(), small);
+  EXPECT_GT(TestUnit::Zero(), TestUnit::FromKilo(-kSmall));
+  EXPECT_GT(TestUnit::Zero(), TestUnit::FromKilo(-kSmall));
+
+  EXPECT_GT(TestUnit::PlusInfinity(), large);
+  EXPECT_LT(TestUnit::MinusInfinity(), TestUnit::Zero());
+}
+
+TEST(UnitBaseTest, Clamping) {
+  const TestUnit upper = TestUnit::FromKilo(800);
+  const TestUnit lower = TestUnit::FromKilo(100);
+  const TestUnit under = TestUnit::FromKilo(100);
+  const TestUnit inside = TestUnit::FromKilo(500);
+  const TestUnit over = TestUnit::FromKilo(1000);
+  EXPECT_EQ(under.Clamped(lower, upper), lower);
+  EXPECT_EQ(inside.Clamped(lower, upper), inside);
+  EXPECT_EQ(over.Clamped(lower, upper), upper);
+
+  TestUnit mutable_delta = lower;
+  mutable_delta.Clamp(lower, upper);
+  EXPECT_EQ(mutable_delta, lower);
+  mutable_delta = inside;
+  mutable_delta.Clamp(lower, upper);
+  EXPECT_EQ(mutable_delta, inside);
+  mutable_delta = over;
+  mutable_delta.Clamp(lower, upper);
+  EXPECT_EQ(mutable_delta, upper);
+}
+
+TEST(UnitBaseTest, CanBeInititializedFromLargeInt) {
+  const int kMaxInt = std::numeric_limits<int>::max();
+  EXPECT_EQ(TestUnit::FromKilo(kMaxInt).ToValue<int64_t>(),
+            static_cast<int64_t>(kMaxInt) * 1000);
+}
+
+TEST(UnitBaseTest, ConvertsToAndFromDouble) {
+  const int64_t kValue = 17017;
+  const double kMilliDouble = kValue * 1e3;
+  const double kValueDouble = kValue;
+  const double kKiloDouble = kValue * 1e-3;
+
+  EXPECT_EQ(TestUnit::FromValue(kValue).ToKilo<double>(), kKiloDouble);
+  EXPECT_EQ(TestUnit::FromKilo(kKiloDouble).ToValue<int64_t>(), kValue);
+
+  EXPECT_EQ(TestUnit::FromValue(kValue).ToValue<double>(), kValueDouble);
+  EXPECT_EQ(TestUnit::FromValue(kValueDouble).ToValue<int64_t>(), kValue);
+
+  EXPECT_NEAR(TestUnit::FromValue(kValue).ToMilli<double>(), kMilliDouble, 1);
+
+  const double kPlusInfinity = std::numeric_limits<double>::infinity();
+  const double kMinusInfinity = -kPlusInfinity;
+
+  EXPECT_EQ(TestUnit::PlusInfinity().ToKilo<double>(), kPlusInfinity);
+  EXPECT_EQ(TestUnit::MinusInfinity().ToKilo<double>(), kMinusInfinity);
+  EXPECT_EQ(TestUnit::PlusInfinity().ToValue<double>(), kPlusInfinity);
+  EXPECT_EQ(TestUnit::MinusInfinity().ToValue<double>(), kMinusInfinity);
+  EXPECT_EQ(TestUnit::PlusInfinity().ToMilli<double>(), kPlusInfinity);
+  EXPECT_EQ(TestUnit::MinusInfinity().ToMilli<double>(), kMinusInfinity);
+
+  EXPECT_TRUE(TestUnit::FromKilo(kPlusInfinity).IsPlusInfinity());
+  EXPECT_TRUE(TestUnit::FromKilo(kMinusInfinity).IsMinusInfinity());
+  EXPECT_TRUE(TestUnit::FromValue(kPlusInfinity).IsPlusInfinity());
+  EXPECT_TRUE(TestUnit::FromValue(kMinusInfinity).IsMinusInfinity());
+}
+
+TEST(UnitBaseTest, MathOperations) {
+  const int64_t kValueA = 267;
+  const int64_t kValueB = 450;
+  const TestUnit delta_a = TestUnit::FromKilo(kValueA);
+  const TestUnit delta_b = TestUnit::FromKilo(kValueB);
+  EXPECT_EQ((delta_a + delta_b).ToKilo(), kValueA + kValueB);
+  EXPECT_EQ((delta_a - delta_b).ToKilo(), kValueA - kValueB);
+
+  const int32_t kInt32Value = 123;
+  const double kFloatValue = 123.0;
+  EXPECT_EQ((TestUnit::FromValue(kValueA) * kValueB).ToValue<int64_t>(),
+            kValueA * kValueB);
+  EXPECT_EQ((TestUnit::FromValue(kValueA) * kInt32Value).ToValue<int64_t>(),
+            kValueA * kInt32Value);
+  EXPECT_EQ((TestUnit::FromValue(kValueA) * kFloatValue).ToValue<int64_t>(),
+            kValueA * kFloatValue);
+
+  EXPECT_EQ((delta_b / 10).ToKilo(), kValueB / 10);
+  EXPECT_EQ(delta_b / delta_a, static_cast<double>(kValueB) / kValueA);
+
+  TestUnit mutable_delta = TestUnit::FromKilo(kValueA);
+  mutable_delta += TestUnit::FromKilo(kValueB);
+  EXPECT_EQ(mutable_delta, TestUnit::FromKilo(kValueA + kValueB));
+  mutable_delta -= TestUnit::FromKilo(kValueB);
+  EXPECT_EQ(mutable_delta, TestUnit::FromKilo(kValueA));
+
+  // Division by an int rounds towards zero to follow regular int division.
+  EXPECT_EQ(TestUnit::FromValue(789) / 10, TestUnit::FromValue(78));
+  EXPECT_EQ(TestUnit::FromValue(-789) / 10, TestUnit::FromValue(-78));
+}
+
+TEST(UnitBaseTest, InfinityOperations) {
+  const int64_t kValue = 267;
+  const TestUnit finite = TestUnit::FromKilo(kValue);
+  EXPECT_TRUE((TestUnit::PlusInfinity() + finite).IsPlusInfinity());
+  EXPECT_TRUE((TestUnit::PlusInfinity() - finite).IsPlusInfinity());
+  EXPECT_TRUE((finite + TestUnit::PlusInfinity()).IsPlusInfinity());
+  EXPECT_TRUE((finite - TestUnit::MinusInfinity()).IsPlusInfinity());
+
+  EXPECT_TRUE((TestUnit::MinusInfinity() + finite).IsMinusInfinity());
+  EXPECT_TRUE((TestUnit::MinusInfinity() - finite).IsMinusInfinity());
+  EXPECT_TRUE((finite + TestUnit::MinusInfinity()).IsMinusInfinity());
+  EXPECT_TRUE((finite - TestUnit::PlusInfinity()).IsMinusInfinity());
+}
+
+TEST(UnitBaseTest, UnaryMinus) {
+  const int64_t kValue = 1337;
+  const TestUnit unit = TestUnit::FromValue(kValue);
+  EXPECT_EQ(-unit.ToValue(), -kValue);
+
+  // Check infinity.
+  EXPECT_EQ(-TestUnit::PlusInfinity(), TestUnit::MinusInfinity());
+  EXPECT_EQ(-TestUnit::MinusInfinity(), TestUnit::PlusInfinity());
+}
+
+}  // namespace test
+}  // namespace webrtc