mirror of
https://github.com/google/cpu_features.git
synced 2025-04-27 07:02:30 +02:00
139 lines
4.0 KiB
C++
139 lines
4.0 KiB
C++
// Copyright 2017 Google Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "internal/string_view.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
namespace cpu_features {
|
|
|
|
bool operator==(const StringView& a, const StringView& b) {
|
|
return IsEquals(a, b);
|
|
}
|
|
|
|
namespace {
|
|
|
|
TEST(StringViewTest, Empty) {
|
|
EXPECT_EQ(kEmptyStringView.ptr, nullptr);
|
|
EXPECT_EQ(kEmptyStringView.size, 0);
|
|
}
|
|
|
|
TEST(StringViewTest, Build) {
|
|
const auto view = str("test");
|
|
EXPECT_EQ(view.ptr[0], 't');
|
|
EXPECT_EQ(view.size, 4);
|
|
}
|
|
|
|
TEST(StringViewTest, IndexOfChar) {
|
|
// Found.
|
|
EXPECT_EQ(IndexOfChar(str("test"), 'e'), 1);
|
|
// Not found.
|
|
EXPECT_EQ(IndexOfChar(str("test"), 'z'), -1);
|
|
// Empty.
|
|
EXPECT_EQ(IndexOfChar(kEmptyStringView, 'z'), -1);
|
|
}
|
|
|
|
TEST(StringViewTest, IndexOf) {
|
|
// Found.
|
|
EXPECT_EQ(IndexOf(str("test"), str("es")), 1);
|
|
// Not found.
|
|
EXPECT_EQ(IndexOf(str("test"), str("aa")), -1);
|
|
// Empty.
|
|
EXPECT_EQ(IndexOf(kEmptyStringView, str("aa")), -1);
|
|
EXPECT_EQ(IndexOf(str("aa"), kEmptyStringView), -1);
|
|
}
|
|
|
|
TEST(StringViewTest, StartsWith) {
|
|
EXPECT_TRUE(StartsWith(str("test"), str("te")));
|
|
EXPECT_FALSE(StartsWith(str("test"), str("")));
|
|
EXPECT_FALSE(StartsWith(str("test"), kEmptyStringView));
|
|
EXPECT_FALSE(StartsWith(kEmptyStringView, str("test")));
|
|
}
|
|
|
|
TEST(StringViewTest, IsEquals) {
|
|
EXPECT_TRUE(IsEquals(kEmptyStringView, kEmptyStringView));
|
|
EXPECT_TRUE(IsEquals(kEmptyStringView, str("")));
|
|
EXPECT_TRUE(IsEquals(str(""), kEmptyStringView));
|
|
EXPECT_TRUE(IsEquals(str("a"), str("a")));
|
|
EXPECT_FALSE(IsEquals(str("a"), str("b")));
|
|
EXPECT_FALSE(IsEquals(str("a"), kEmptyStringView));
|
|
EXPECT_FALSE(IsEquals(kEmptyStringView, str("a")));
|
|
}
|
|
|
|
TEST(StringViewTest, PopFront) {
|
|
EXPECT_EQ(PopFront(str("test"), 2), str("st"));
|
|
EXPECT_EQ(PopFront(str("test"), 0), str("test"));
|
|
EXPECT_EQ(PopFront(str("test"), 4), str(""));
|
|
EXPECT_EQ(PopFront(str("test"), 100), str(""));
|
|
}
|
|
|
|
TEST(StringViewTest, ParsePositiveNumber) {
|
|
EXPECT_EQ(ParsePositiveNumber(str("42")), 42);
|
|
EXPECT_EQ(ParsePositiveNumber(str("0x2a")), 42);
|
|
EXPECT_EQ(ParsePositiveNumber(str("0x2A")), 42);
|
|
|
|
EXPECT_EQ(ParsePositiveNumber(str("-0x2A")), -1);
|
|
EXPECT_EQ(ParsePositiveNumber(str("abc")), -1);
|
|
EXPECT_EQ(ParsePositiveNumber(str("")), -1);
|
|
}
|
|
|
|
TEST(StringViewTest, CopyString) {
|
|
char buf[4];
|
|
buf[0] = 'X';
|
|
|
|
// Empty
|
|
CopyString(str(""), buf, sizeof(buf));
|
|
EXPECT_STREQ(buf, "");
|
|
|
|
// Less
|
|
CopyString(str("a"), buf, sizeof(buf));
|
|
EXPECT_STREQ(buf, "a");
|
|
|
|
// exact
|
|
CopyString(str("abc"), buf, sizeof(buf));
|
|
EXPECT_STREQ(buf, "abc");
|
|
|
|
// More
|
|
CopyString(str("abcd"), buf, sizeof(buf));
|
|
EXPECT_STREQ(buf, "abc");
|
|
}
|
|
|
|
TEST(StringViewTest, HasWord) {
|
|
// Find flags at beginning, middle and end.
|
|
EXPECT_TRUE(HasWord(str("first middle last"), "first"));
|
|
EXPECT_TRUE(HasWord(str("first middle last"), "middle"));
|
|
EXPECT_TRUE(HasWord(str("first middle last"), "last"));
|
|
// Do not match partial flags
|
|
EXPECT_FALSE(HasWord(str("first middle last"), "irst"));
|
|
EXPECT_FALSE(HasWord(str("first middle last"), "mid"));
|
|
EXPECT_FALSE(HasWord(str("first middle last"), "las"));
|
|
}
|
|
|
|
TEST(StringViewTest, GetAttributeKeyValue) {
|
|
const StringView line = str(" key : first middle last ");
|
|
StringView key, value;
|
|
EXPECT_TRUE(GetAttributeKeyValue(line, &key, &value));
|
|
EXPECT_EQ(key, str("key"));
|
|
EXPECT_EQ(value, str("first middle last"));
|
|
}
|
|
|
|
TEST(StringViewTest, FailingGetAttributeKeyValue) {
|
|
const StringView line = str("key first middle last");
|
|
StringView key, value;
|
|
EXPECT_FALSE(GetAttributeKeyValue(line, &key, &value));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace cpu_features
|