diff --git a/src/main/java/org/cactoos/text/LengthOfText.java b/src/main/java/org/cactoos/text/LengthOfText.java new file mode 100644 index 0000000000..d33cb8e5c0 --- /dev/null +++ b/src/main/java/org/cactoos/text/LengthOfText.java @@ -0,0 +1,66 @@ +/** + * The MIT License (MIT) + * + * Copyright (c) 2017 Yegor Bugayenko + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +package org.cactoos.text; + +import org.cactoos.Scalar; +import org.cactoos.Text; + +/** + * The length of {@link Text}. + * The length is equal to the number of Unicode code units in the text. + * + *

There is no thread-safety guarantee. + * + * @author Vseslav Sekorin (vssekorin@gmail.com) + * @version $Id$ + * @since 0.11 + */ +public final class LengthOfText implements Scalar { + + /** + * The origin text. + */ + private final Text origin; + + /** + * Ctor. + * @param string The string + */ + public LengthOfText(final String string) { + this(new StringAsText(string)); + } + + /** + * Ctor. + * @param text The text + */ + public LengthOfText(final Text text) { + this.origin = text; + } + + @Override + public Integer value() throws Exception { + return this.origin.asString().length(); + } +} diff --git a/src/test/java/org/cactoos/text/LengthOfTextTest.java b/src/test/java/org/cactoos/text/LengthOfTextTest.java new file mode 100644 index 0000000000..213664602e --- /dev/null +++ b/src/test/java/org/cactoos/text/LengthOfTextTest.java @@ -0,0 +1,76 @@ +/** + * The MIT License (MIT) + * + * Copyright (c) 2017 Yegor Bugayenko + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +package org.cactoos.text; + +import org.cactoos.ScalarHasValue; +import org.hamcrest.MatcherAssert; +import org.junit.Test; + +/** + * Test case for {@link LengthOfText}. + * + * @author Vseslav Sekorin (vssekorin@gmail.com) + * @version $Id$ + * @since 0.11 + * @checkstyle JavadocMethodCheck (500 lines) + * @checkstyle MagicNumberCheck (500 lines) + */ +public final class LengthOfTextTest { + + @Test + public void valueTextAsArg() throws Exception { + MatcherAssert.assertThat( + new LengthOfText( + new StringAsText("text") + ), + new ScalarHasValue<>(4) + ); + } + + @Test + public void valueStringAsArg() throws Exception { + MatcherAssert.assertThat( + new LengthOfText("string"), + new ScalarHasValue<>(6) + ); + } + + @Test + public void valueEmptyText() throws Exception { + MatcherAssert.assertThat( + new LengthOfText( + new StringAsText("") + ), + new ScalarHasValue<>(0) + ); + } + + @Test + public void valueEmptyString() throws Exception { + MatcherAssert.assertThat( + new LengthOfText(""), + new ScalarHasValue<>(0) + ); + } +}