result.write(this, i)
      // Consume '"'.
      readByte()
      return result.readUtf8()
    }

    if (size == i + 1L) return null // Dangling escape.
    result.write(this, i)
    // Consume '\'.
    readByte()
    result.write(this, 1L) // The escaped character.
  }
}

/**
 * Consumes and returns a non-empty token, terminating at special characters in

    }

    public void test_unescape() throws Exception {
        // Test with escaped characters (backslash sequences)
        String content = "test\\t1\n" + // escaped tab sequence
                "test\\n2\n" + // escaped newline sequence
                "test3\n"; // no escape

        // Write content to test file
        writeTestFile(content);

        // Reload the file

});
```

### Text Processing and JSON
```java
import org.codelibs.core.text.*;

// JSON utilities with proper escaping
String escaped = JsonUtil.escape("Hello \"World\" with special chars");
String unescaped = JsonUtil.unescape(escaped);

// Text tokenization
Tokenizer tokenizer = new Tokenizer("field1,field2,field3", ",");
while (tokenizer.hasMoreTokens()) {

        String[] result;

        // Escaped quotes within quoted value - DOES NOT get unquoted because pattern doesn't match
        value = "\"value with \"\"escaped\"\" quotes\"";
        result = KuromojiCSVUtil.parse(value);
        assertEquals(1, result.length);
        assertEquals("\"value with \"\"escaped\"\" quotes\"", result[0]);

DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'

# Collect all arguments for the java command:
#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
#     and any embedded shellness will be escaped.
#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
#     treated as '${Hostname}' itself on the command line.

set -- \

		t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())
	}

	r = dryDB.Table("user as u").Select("name").Find(&User{}).Statement
	if !regexp.MustCompile("SELECT .name. FROM user as u WHERE .u.\\..deleted_at. IS NULL").MatchString(r.Statement.SQL.String()) {
		t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())
	}

 * limitations under the License.
 */

package com.google.common.escape;

import static com.google.common.truth.Truth.assertThat;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ImmutableMap;
import com.google.common.escape.testing.EscaperAsserts;
import java.io.IOException;
import junit.framework.TestCase;

import static org.junit.Assert.assertThat;

import org.junit.Test;

/**
 * @author shinsuke
 *
 */
public class JsonUtilTest {
    @Test
    public void escape() {
        assertThat(JsonUtil.escape("abc123あア亜"), is("abc123あア亜"));
        assertThat(JsonUtil.escape("\\\"/\b\t\n\f\r\0"), is("\\\\\\\"\\/\\b\\t\\n\\f\\r\\u0000"));
    }

        return StringUtil.EMPTY;
    }

    /**
     * Escapes HTML and applies highlighting to text.
     * Handles boundary position detection if enabled.
     *
     * @param text the text to process
     * @return the escaped and highlighted text
     */
    protected String escapeHighlight(final String text) {
        final String escaped = LaFunctions.h(text);
        final String value;

turn a.split(d,function(c){var d=new RegExp(a.isNumeric(c)?c:"\\"+c,"g");b=b.replace(d,"")}),b},escape:function(b,c){var d=c.valAttr("is-escaped"),e={"<":"__%AMP%__lt;",">":"__%AMP%__gt;","&":"__%AMP%__amp;","'":"__%AMP%__#8217;",'"':"__%AMP%__quot;"};return"yes"===d?b:(c.valAttr("is-escaped","yes"),c.one("keyup",function(a){9!==a.keyCode&&c.valAttr("is-escaped","no")}),a.each(e,function(a,c){b=b.replace(new RegExp(a,"g"),c)}),b.replace(new RegExp("__%AMP%__","g"),"&"))}},e=function(b,e,f){e||(e...