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introduce string_view

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This commit is contained in:
Chunting Gu
2021-06-17 18:58:53 +08:00
parent 751a3539ae
commit 26bb6b341a
38 changed files with 404 additions and 344 deletions
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unittest/string_unittest.cc
+66 -19
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@@ -6,8 +6,36 @@
#include "webcc/string.h"
TEST(StringTest, Trim) {
std::string str = " trim me ";
webcc::string_view sv = str;
webcc::Trim(sv);
EXPECT_EQ("trim me", sv);
}
TEST(StringTest, Trim_Left) {
std::string str = " trim me";
webcc::string_view sv = str;
webcc::Trim(sv);
EXPECT_EQ("trim me", sv);
}
TEST(StringTest, Trim_Right) {
std::string str = "trim me ";
webcc::string_view sv = str;
webcc::Trim(sv);
EXPECT_EQ("trim me", sv);
}
TEST(StringTest, Trim_Empty) {
std::string str = "";
webcc::string_view sv = str;
webcc::Trim(sv);
EXPECT_EQ("", sv);
}
TEST(StringTest, Split) {
std::vector<boost::string_view> parts;
std::vector<webcc::string_view> parts;
webcc::Split("GET /path/to HTTP/1.1", ' ', false, &parts);
EXPECT_EQ(3, parts.size());
@@ -18,12 +46,11 @@ TEST(StringTest, Split) {
TEST(StringTest, Split_TokenCompressOff) {
std::string str = "one,two,,three,,";
std::vector<boost::string_view> parts;
std::vector<webcc::string_view> parts;
// Same as:
// boost::split(parts, str, boost::is_any_of(","),
// boost::token_compress_off);
webcc::Split(str, ',', false, &parts);
EXPECT_EQ(6, parts.size());
@@ -37,7 +64,7 @@ TEST(StringTest, Split_TokenCompressOff) {
TEST(StringTest, Split_TokenCompressOn) {
std::string str = "one,two,,three,,";
std::vector<boost::string_view> parts;
std::vector<webcc::string_view> parts;
// Same as:
// boost::split(parts, str, boost::is_any_of(","),
@@ -51,8 +78,28 @@ TEST(StringTest, Split_TokenCompressOn) {
EXPECT_EQ("", parts[3]);
}
TEST(StringTest, Split_TokensOnly) {
std::string str = ",,,,,";
std::vector<webcc::string_view> parts;
// Token compress on
webcc::Split(str, ',', true, &parts);
EXPECT_EQ(2, parts.size());
EXPECT_EQ("", parts[0]);
EXPECT_EQ("", parts[1]);
parts.clear();
// Token compress off
webcc::Split(str, ',', false, &parts);
EXPECT_EQ(6, parts.size());
EXPECT_EQ("", parts[0]);
EXPECT_EQ("", parts[1]);
EXPECT_EQ("", parts[5]);
}
TEST(StringTest, Split_NewLine) {
std::vector<boost::string_view> lines;
std::vector<webcc::string_view> lines;
webcc::Split("line one\nline two\nline 3", '\n', false, &lines);
EXPECT_EQ(3, lines.size());
@@ -64,8 +111,8 @@ TEST(StringTest, Split_NewLine) {
TEST(StringTest, SplitKV) {
const std::string str = "key=value";
std::string key;
std::string value;
webcc::string_view key;
webcc::string_view value;
bool ok = webcc::SplitKV(str, '=', true, &key, &value);
EXPECT_EQ(true, ok);
@@ -76,8 +123,8 @@ TEST(StringTest, SplitKV) {
TEST(StringTest, SplitKV_OtherDelim) {
const std::string str = "key:value";
std::string key;
std::string value;
webcc::string_view key;
webcc::string_view value;
bool ok = webcc::SplitKV(str, ':', true, &key, &value);
EXPECT_TRUE(ok);
@@ -89,8 +136,8 @@ TEST(StringTest, SplitKV_OtherDelim) {
TEST(StringTest, SplitKV_Spaces) {
const std::string str = " key = value ";
std::string key;
std::string value;
webcc::string_view key;
webcc::string_view value;
bool ok = webcc::SplitKV(str, '=', true, &key, &value);
EXPECT_TRUE(ok);
@@ -102,8 +149,8 @@ TEST(StringTest, SplitKV_Spaces) {
TEST(StringTest, SplitKV_SpacesNoTrim) {
const std::string str = " key = value ";
std::string key;
std::string value;
webcc::string_view key;
webcc::string_view value;
bool ok = webcc::SplitKV(str, '=', false, &key, &value);
EXPECT_TRUE(ok);
@@ -115,8 +162,8 @@ TEST(StringTest, SplitKV_SpacesNoTrim) {
TEST(StringTest, SplitKV_NoKey) {
const std::string str = "=value";
std::string key;
std::string value;
webcc::string_view key;
webcc::string_view value;
bool ok = webcc::SplitKV(str, '=', true, &key, &value);
EXPECT_TRUE(ok);
@@ -128,8 +175,8 @@ TEST(StringTest, SplitKV_NoKey) {
TEST(StringTest, SplitKV_NoValue) {
const std::string str = "key=";
std::string key;
std::string value;
webcc::string_view key;
webcc::string_view value;
bool ok = webcc::SplitKV(str, '=', true, &key, &value);
EXPECT_TRUE(ok);
@@ -141,8 +188,8 @@ TEST(StringTest, SplitKV_NoValue) {
TEST(StringTest, SplitKV_NoKeyNoValue) {
const std::string str = "=";
std::string key;
std::string value;
webcc::string_view key;
webcc::string_view value;
bool ok = webcc::SplitKV(str, '=', true, &key, &value);
EXPECT_TRUE(ok);