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// Copyright 2019 The Pigweed Authors
//
// 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
//
// https://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 "pw_string/util.h"
#include "gtest/gtest.h"
namespace pw::string {
namespace {
TEST(Length, Nullptr_Returns0) { EXPECT_EQ(0u, Length(nullptr, 100)); }
TEST(Length, EmptyString_Returns0) {
EXPECT_EQ(0u, Length("", 0));
EXPECT_EQ(0u, Length("", 100));
}
TEST(Length, MaxLongerThanString_ReturnsStrlen) {
EXPECT_EQ(5u, Length("12345", 100));
}
TEST(Length, StringMaxLongerThanMax_ReturnsMax) {
EXPECT_EQ(0u, Length("12345", 0));
EXPECT_EQ(4u, Length("12345", 4));
}
TEST(Length, LengthEqualsMax) { EXPECT_EQ(5u, Length("12345", 5)); }
} // namespace
} // namespace pw::string
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