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/*
* Copyright 2020 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/strings/string_format.h"
#include <vector>
#include "absl/strings/string_view.h"
#include "rtc_base/checks.h"
#include "rtc_base/string_encode.h"
#include "test/gtest.h"
namespace rtc {
TEST(StringFormatTest, Empty) {
EXPECT_EQ("", StringFormat("%s", ""));
}
TEST(StringFormatTest, Misc) {
EXPECT_EQ("123hello w", StringFormat("%3d%2s %1c", 123, "hello", 'w'));
EXPECT_EQ("3 = three", StringFormat("%d = %s", 1 + 2, "three"));
}
TEST(StringFormatTest, MaxSizeShouldWork) {
const int kSrcLen = 512;
char str[kSrcLen];
std::fill_n(str, kSrcLen, 'A');
str[kSrcLen - 1] = 0;
EXPECT_EQ(str, StringFormat("%s", str));
}
// Test that formating a string using `absl::string_view` works as expected
// whe using `%.*s`.
TEST(StringFormatTest, FormatStringView) {
const std::string main_string("This is a substring test.");
std::vector<absl::string_view> string_views = rtc::split(main_string, ' ');
ASSERT_EQ(string_views.size(), 5u);
const absl::string_view& sv = string_views[3];
std::string formatted =
StringFormat("We have a %.*s.", static_cast<int>(sv.size()), sv.data());
EXPECT_EQ(formatted.compare("We have a substring."), 0);
}
} // namespace rtc
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