code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC 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.
  
  package org.openqa.selenium.support.ui;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.openqa.selenium.support.ui.Quotes.escape;
  
  import org.junit.jupiter.api.Tag;
  import org.junit.jupiter.api.Test;
  
  @Tag("UnitTests")
  class QuotesTest {
    @Test
    void shouldConvertAnUnquotedStringIntoOneWithQuotes() {
      assertThat(escape("foo")).isEqualTo("\"foo\"");
    }
  
    @Test
    void shouldConvertAStringWithATickIntoOneWithQuotes() {
      assertThat(escape("f'oo")).isEqualTo("\"f'oo\"");
    }
  
    @Test
    void shouldConvertAStringWithAQuotIntoOneWithTicks() {
      assertThat(escape("f\"oo")).isEqualTo("'f\"oo'");
    }
  
    @Test
    void shouldProvideConcatenatedStringsWhenStringToEscapeContainsTicksAndQuotes() {
      assertThat(escape("f\"o'o")).isEqualTo("concat(\"f\", '\"', \"o'o\")");
    }
  
    /**
     * Tests that Quotes.escape returns concatenated strings when the given string contains a tick and
     * and ends with a quote.
     */
    @Test
    void shouldProvideConcatenatedStringsWhenStringEndsWithQuote() {
      assertThat(escape("Bar \"Rock'n'Roll\""))
          .isEqualTo("concat(\"Bar \", '\"', \"Rock'n'Roll\", '\"')");
    }
  }
  