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#include <config.h>
#include <apt-pkg/string_view.h>
#include <string>
#include <type_traits>
#include <gtest/gtest.h>
TEST(StringViewTest,EmptyString)
{
constexpr APT::StringView defString;
static_assert( 0 == defString.length(), "def right size");
APT::StringView strString{std::string{}};
EXPECT_EQ(0u, strString.length());
constexpr char const * const charp = "";
constexpr APT::StringView charpString{charp, 0};
static_assert( 0 == charpString.length(), "charp right size");
APT::StringView charp2String{charp};
EXPECT_EQ(0u, strString.length());
const APT::StringView charaString{""};
EXPECT_EQ(0u, charaString.length());
EXPECT_TRUE(APT::StringView("") == "");
EXPECT_FALSE(APT::StringView("") != "");
}
TEST(StringViewTest,FooString)
{
constexpr APT::StringView defString("fooGARBAGE", 3);
static_assert( 3 == defString.length(), "def right size");
EXPECT_EQ(0, defString.to_string().compare(0, defString.length(), defString.data(), 3));
APT::StringView strString{std::string{"foo"}};
EXPECT_EQ(3u, strString.length());
EXPECT_EQ(0, strString.to_string().compare(0, strString.length(), strString.data(), 3));
constexpr char const * const charp = "fooGARBAGE";
constexpr APT::StringView charpString{charp, 3};
EXPECT_EQ(3u, charpString.length());
EXPECT_EQ(0, charpString.to_string().compare(0, charpString.length(), charpString.data(), 3));
char * charp2 = strdup("foo");
APT::StringView charp2String{charp2};
EXPECT_EQ(3u, charp2String.length());
EXPECT_EQ(0, charp2String.to_string().compare(0, charp2String.length(), charp2String.data(), 3));
free(charp2);
const APT::StringView charaString{"foo"};
EXPECT_EQ(3u, charaString.length());
EXPECT_EQ(0, charaString.to_string().compare(0, charaString.length(), charaString.data(), 3));
EXPECT_TRUE(APT::StringView("foo") == "foo");
EXPECT_FALSE(APT::StringView("foo") != "foo");
}
TEST(StringViewTest,SubStr)
{
const APT::StringView defString("Hello World!");
EXPECT_EQ(defString.to_string().substr(6), defString.substr(6).to_string());
EXPECT_EQ(defString.to_string().substr(0,5), defString.substr(0,5).to_string());
EXPECT_EQ(defString.to_string().substr(6,5), defString.substr(6,5).to_string());
}
TEST(StringViewTest,Find)
{
const APT::StringView defString("Hello World!");
EXPECT_EQ(defString.to_string().find('l'), defString.find('l'));
EXPECT_EQ(defString.to_string().find('X'), defString.find('X'));
EXPECT_EQ(defString.to_string().find('e',3), defString.find('e',3));
EXPECT_EQ(defString.to_string().find('l',6), defString.find('l',6));
EXPECT_EQ(defString.to_string().find('l',11), defString.find('l',11));
EXPECT_EQ(defString.to_string().find("l"), defString.find("l"));
EXPECT_EQ(defString.to_string().find("ll"), defString.find("ll"));
EXPECT_EQ(defString.to_string().find("lo"), defString.find("lo"));
EXPECT_EQ(defString.to_string().find("ll", 1), defString.find("ll", 1));
EXPECT_EQ(defString.to_string().find("ll", 6), defString.find("ll", 6));
EXPECT_EQ(defString.to_string().find("or"), defString.find("or"));
EXPECT_EQ(defString.to_string().find("od"), defString.find("od"));
}
TEST(StringViewTest,RFind)
{
const APT::StringView defString("Hello World!");
EXPECT_EQ(defString.to_string().rfind('l'), defString.rfind('l'));
EXPECT_EQ(defString.to_string().rfind('X'), defString.rfind('X'));
EXPECT_EQ(defString.to_string().rfind('e',3), defString.rfind('e',3));
EXPECT_EQ(defString.to_string().rfind('l',6), defString.rfind('l',6));
EXPECT_EQ(defString.to_string().rfind('l',11), defString.rfind('l',11));
}
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