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Add DataSize and DataRate factories

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Bug: webrtc:9709
Change-Id: I8a3af8c62f7ed52de84efb8b1306701fa2e40278
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168606
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30533}
This commit is contained in:
Danil Chapovalov
2020-02-17 15:00:07 +01:00
committed by Commit Bot
parent e209fe6c68
commit e638ada5c9
4 changed files with 84 additions and 55 deletions
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31
api/units/data_size_unittest.cc
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@ -9,6 +9,9 @@
*/
#include "api/units/data_size.h"
#include <limits>
#include "test/gtest.h"
namespace webrtc {
@ -23,7 +26,7 @@ TEST(DataSizeTest, ConstExpr) {
static_assert(kDataSizeInf.bytes_or(-1) == -1, "");
static_assert(kDataSizeInf > kDataSizeZero, "");
constexpr DataSize kDataSize = DataSize::Bytes<kValue>();
constexpr DataSize kDataSize = DataSize::Bytes(kValue);
static_assert(kDataSize.bytes_or(-1) == kValue, "");
EXPECT_EQ(kDataSize.bytes(), kValue);
@ -31,30 +34,30 @@ TEST(DataSizeTest, ConstExpr) {
TEST(DataSizeTest, GetBackSameValues) {
const int64_t kValue = 123 * 8;
EXPECT_EQ(DataSize::bytes(kValue).bytes(), kValue);
EXPECT_EQ(DataSize::Bytes(kValue).bytes(), kValue);
}
TEST(DataSizeTest, IdentityChecks) {
const int64_t kValue = 3000;
EXPECT_TRUE(DataSize::Zero().IsZero());
EXPECT_FALSE(DataSize::bytes(kValue).IsZero());
EXPECT_FALSE(DataSize::Bytes(kValue).IsZero());
EXPECT_TRUE(DataSize::Infinity().IsInfinite());
EXPECT_FALSE(DataSize::Zero().IsInfinite());
EXPECT_FALSE(DataSize::bytes(kValue).IsInfinite());
EXPECT_FALSE(DataSize::Bytes(kValue).IsInfinite());
EXPECT_FALSE(DataSize::Infinity().IsFinite());
EXPECT_TRUE(DataSize::bytes(kValue).IsFinite());
EXPECT_TRUE(DataSize::Bytes(kValue).IsFinite());
EXPECT_TRUE(DataSize::Zero().IsFinite());
}
TEST(DataSizeTest, ComparisonOperators) {
const int64_t kSmall = 450;
const int64_t kLarge = 451;
const DataSize small = DataSize::bytes(kSmall);
const DataSize large = DataSize::bytes(kLarge);
const DataSize small = DataSize::Bytes(kSmall);
const DataSize large = DataSize::Bytes(kLarge);
EXPECT_EQ(DataSize::Zero(), DataSize::bytes(0));
EXPECT_EQ(DataSize::Zero(), DataSize::Bytes(0));
EXPECT_EQ(DataSize::Infinity(), DataSize::Infinity());
EXPECT_EQ(small, small);
EXPECT_LE(small, small);
@ -72,19 +75,19 @@ TEST(DataSizeTest, ConvertsToAndFromDouble) {
const int64_t kValue = 128;
const double kDoubleValue = static_cast<double>(kValue);
EXPECT_EQ(DataSize::bytes(kValue).bytes<double>(), kDoubleValue);
EXPECT_EQ(DataSize::bytes(kDoubleValue).bytes(), kValue);
EXPECT_EQ(DataSize::Bytes(kValue).bytes<double>(), kDoubleValue);
EXPECT_EQ(DataSize::Bytes(kDoubleValue).bytes(), kValue);
const double kInfinity = std::numeric_limits<double>::infinity();
EXPECT_EQ(DataSize::Infinity().bytes<double>(), kInfinity);
EXPECT_TRUE(DataSize::bytes(kInfinity).IsInfinite());
EXPECT_TRUE(DataSize::Bytes(kInfinity).IsInfinite());
}
TEST(DataSizeTest, MathOperations) {
const int64_t kValueA = 450;
const int64_t kValueB = 267;
const DataSize size_a = DataSize::bytes(kValueA);
const DataSize size_b = DataSize::bytes(kValueB);
const DataSize size_a = DataSize::Bytes(kValueA);
const DataSize size_b = DataSize::Bytes(kValueB);
EXPECT_EQ((size_a + size_b).bytes(), kValueA + kValueB);
EXPECT_EQ((size_a - size_b).bytes(), kValueA - kValueB);
@ -97,7 +100,7 @@ TEST(DataSizeTest, MathOperations) {
EXPECT_EQ((size_a / 10).bytes(), kValueA / 10);
EXPECT_EQ(size_a / size_b, static_cast<double>(kValueA) / kValueB);
DataSize mutable_size = DataSize::bytes(kValueA);
DataSize mutable_size = DataSize::Bytes(kValueA);
mutable_size += size_b;
EXPECT_EQ(mutable_size.bytes(), kValueA + kValueB);
mutable_size -= size_a;