// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 <string>

#include <gtest/gtest.h>

#include "kudu/util/string_case.h"

using std::string;

namespace kudu {

TEST(TestStringCase, TestSnakeToCamel) {
  string out;
  SnakeToCamelCase("foo_bar", &out);
  ASSERT_EQ("FooBar", out);


  SnakeToCamelCase("foo-bar", &out);
  ASSERT_EQ("FooBar", out);

  SnakeToCamelCase("foobar", &out);
  ASSERT_EQ("Foobar", out);
}

TEST(TestStringCase, TestToUpperCase) {
  string out;
  ToUpperCase(string("foo"), &out);
  ASSERT_EQ("FOO", out);
  ToUpperCase(string("foo bar-BaZ"), &out);
  ASSERT_EQ("FOO BAR-BAZ", out);
}

TEST(TestStringCase, TestToUpperCaseInPlace) {
  string in_out = "foo";
  ToUpperCase(in_out, &in_out);
  ASSERT_EQ("FOO", in_out);
}

TEST(TestStringCase, TestCapitalize) {
  string word = "foo";
  Capitalize(&word);
  ASSERT_EQ("Foo", word);

  word = "HiBerNATe";
  Capitalize(&word);
  ASSERT_EQ("Hibernate", word);
}

TEST(TestStringCase, TestIequals) {
  const string foo = "foo";
  const string capital = "Foo";
  const string caps = "FOO";
  const string mix = "FoO";
  const string zero = "FO0";

  ASSERT_TRUE(iequals(foo, capital));
  ASSERT_TRUE(iequals(foo, caps));
  ASSERT_TRUE(iequals(foo, mix));
  ASSERT_TRUE(iequals(capital, mix));
  ASSERT_TRUE(iequals(caps, foo));
  ASSERT_TRUE(iequals(caps, capital));
  ASSERT_TRUE(iequals(caps, mix));

  ASSERT_FALSE(iequals(foo, zero));
  ASSERT_FALSE(iequals(capital, zero));
  ASSERT_FALSE(iequals(caps, zero));
  ASSERT_FALSE(iequals(mix, zero));
}

} // namespace kudu