| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @summary Test behavior of isJavaIdentifierXX, isJavaLetter, and |
| * isJavaLetterOrDigit methods for all code points. |
| * @bug 8218915 |
| */ |
| |
| public class TestIsJavaIdentifierMethods { |
| |
| // Japanese Era Square character code point not present in Unicode 10.0 |
| private static final int JAPANESE_ERA_CODEPOINT = 0x32FF; |
| |
| public static void main(String[] args) { |
| testIsJavaIdentifierPart_int(); |
| testIsJavaIdentifierPart_char(); |
| testIsJavaIdentifierStart_int(); |
| testIsJavaIdentifierStart_char(); |
| testIsJavaLetter(); |
| testIsJavaLetterOrDigit(); |
| } |
| |
| /** |
| * Assertion testing for public static boolean isJavaIdentifierPart(int |
| * codePoint), A character may be part of a Java identifier if any of the |
| * following are true: |
| * <ul> |
| * <li>it is a letter</li> |
| * <li>it is a currency symbol (such as <code>'$'</code>)</li> |
| * <li>it is a connecting punctuation character (such as <code>'_'</code>) |
| * </li> |
| * <li>it is a digit</li> |
| * <li>it is a numeric letter (such as a Roman numeral character)</li> |
| * <li>it is a combining mark</li> |
| * <li>it is a non-spacing mark</li> |
| * <li><code>isIdentifierIgnorable</code> returns <code>true</code> for the |
| * character</li> |
| * </ul> |
| * All code points from (0x0000..0x10FFFF) are tested. |
| */ |
| public static void testIsJavaIdentifierPart_int() { |
| for (int cp = 0; cp <= Character.MAX_CODE_POINT; cp++) { |
| boolean expected = false; |
| // Since Character.isJavaIdentifierPart(int) strictly conforms to |
| // character information from version 10.0 of the Unicode Standard, |
| // check if code point is "Japanese Era Square character code |
| // point". If the code point is "Japanese Era Square character code |
| // point", value of variable "expected" is considered false. |
| if (cp != JAPANESE_ERA_CODEPOINT) { |
| byte type = (byte) Character.getType(cp); |
| expected = Character.isLetter(cp) |
| || type == Character.CURRENCY_SYMBOL |
| || type == Character.CONNECTOR_PUNCTUATION |
| || Character.isDigit(cp) |
| || type == Character.LETTER_NUMBER |
| || type == Character.COMBINING_SPACING_MARK |
| || type == Character.NON_SPACING_MARK |
| || Character.isIdentifierIgnorable(cp); |
| } |
| |
| if (Character.isJavaIdentifierPart(cp) != expected) { |
| throw new RuntimeException( |
| "Character.isJavaIdentifierPart(int) failed for codepoint " |
| + Integer.toHexString(cp)); |
| } |
| } |
| } |
| |
| /** |
| * Assertion testing for public static boolean isJavaIdentifierPart(char |
| * ch), A character may be part of a Java identifier if any of the |
| * following are true: |
| * <ul> |
| * <li>it is a letter; |
| * <li>it is a currency symbol (such as "$"); |
| * <li>it is a connecting punctuation character (such as "_"); |
| * <li>it is a digit; |
| * <li>it is a numeric letter (such as a Roman numeral character); |
| * <li>it is a combining mark; |
| * <li>it is a non-spacing mark; |
| * <li>isIdentifierIgnorable returns true for the character. |
| * </ul> |
| * All Unicode code points in the BMP (0x0000..0xFFFF) are tested. |
| */ |
| public static void testIsJavaIdentifierPart_char() { |
| for (int i = 0; i <= Character.MAX_VALUE; ++i) { |
| char ch = (char) i; |
| boolean expected = false; |
| // Since Character.isJavaIdentifierPart(char) strictly conforms to |
| // character information from version 10.0 of the Unicode Standard, |
| // check if code point is "Japanese Era Square character code |
| // point". If the code point is "Japanese Era Square character code |
| // point", value of variable "expected" is considered false. |
| if (i != JAPANESE_ERA_CODEPOINT) { |
| byte type = (byte) Character.getType(ch); |
| expected = Character.isLetter(ch) |
| || type == Character.CURRENCY_SYMBOL |
| || type == Character.CONNECTOR_PUNCTUATION |
| || Character.isDigit(ch) |
| || type == Character.LETTER_NUMBER |
| || type == Character.COMBINING_SPACING_MARK |
| || type == Character.NON_SPACING_MARK |
| || Character.isIdentifierIgnorable(ch); |
| } |
| |
| if (Character.isJavaIdentifierPart((char) i) != expected) { |
| throw new RuntimeException( |
| "Character.isJavaIdentifierPart(char) failed for codepoint " |
| + Integer.toHexString(i)); |
| } |
| } |
| } |
| |
| /** |
| * Assertion testing for public static boolean isJavaIdentifierStart(int |
| * codePoint), A character may start a Java identifier if and only if it is |
| * one of the following: |
| * <ul> |
| * <li>it is a letter;</li> |
| * <li>getType(ch) returns LETTER_NUMBER;</li> |
| * <li>it is a currency symbol (such as "$");</li> |
| * <li>it is a connecting punctuation character (such as "_");</li> |
| * </ul> |
| * All Code points from (0x0000..0x10FFFF) are tested. |
| */ |
| public static void testIsJavaIdentifierStart_int() { |
| for (int cp = 0; cp <= Character.MAX_CODE_POINT; cp++) { |
| boolean expected = false; |
| // Since Character.isJavaIdentifierStart(int) strictly conforms to |
| // character information from version 10.0 of the Unicode Standard, |
| // check if code point is "Japanese Era Square character code |
| // point". If the code point is "Japanese Era Square character code |
| // point", value of variable "expected" is considered false. |
| if (cp != JAPANESE_ERA_CODEPOINT) { |
| byte type = (byte) Character.getType(cp); |
| expected = Character.isLetter(cp) |
| || type == Character.LETTER_NUMBER |
| || type == Character.CURRENCY_SYMBOL |
| || type == Character.CONNECTOR_PUNCTUATION; |
| } |
| |
| if (Character.isJavaIdentifierStart(cp) != expected) { |
| throw new RuntimeException( |
| "Character.isJavaIdentifierStart(int) failed for codepoint " |
| + Integer.toHexString(cp)); |
| } |
| } |
| } |
| |
| /** |
| * Assertion testing for public static boolean isJavaIdentifierStart(char), |
| * A character may start a Java identifier if and only if it is |
| * one of the following: |
| * <ul> |
| * <li>it is a letter;</li> |
| * <li>getType(ch) returns LETTER_NUMBER;</li> |
| * <li>it is a currency symbol (such as "$");</li> |
| * <li>it is a connecting punctuation character (such as "_");</li> |
| * </ul> |
| * All Unicode code points in the BMP (0x0000..0xFFFF) are tested. |
| */ |
| public static void testIsJavaIdentifierStart_char() { |
| for (int i = 0; i <= Character.MAX_VALUE; i++) { |
| char ch = (char) i; |
| boolean expected = false; |
| // Since Character.isJavaIdentifierStart(char) strictly conforms to |
| // character information from version 10.0 of the Unicode Standard, |
| // check if code point is "Japanese Era Square character code |
| // point". If the code point is "Japanese Era Square character code |
| // point", value of variable "expected" is considered false. |
| if (i != JAPANESE_ERA_CODEPOINT) { |
| byte type = (byte) Character.getType(ch); |
| expected = Character.isLetter(ch) |
| || type == Character.LETTER_NUMBER |
| || type == Character.CURRENCY_SYMBOL |
| || type == Character.CONNECTOR_PUNCTUATION; |
| } |
| |
| if (Character.isJavaIdentifierStart(ch) != expected) { |
| throw new RuntimeException( |
| "Character.isJavaIdentifierStart(char) failed for codepoint " |
| + Integer.toHexString(i)); |
| } |
| } |
| } |
| |
| /** |
| * Assertion testing for public static boolean isJavaLetter(char ch), A |
| * character may start a Java identifier if and only if one of the following |
| * is true: |
| * <ul> |
| * <li>isLetter(ch) returns true |
| * <li>getType(ch) returns LETTER_NUMBER |
| * <li>ch is a currency symbol (such as "$") |
| * <li>ch is a connecting punctuation character (such as "_"). |
| * </ul> |
| * All Unicode code points in the BMP (0x0000..0xFFFF) are tested. |
| */ |
| public static void testIsJavaLetter() { |
| for (int i = 0; i <= Character.MAX_VALUE; ++i) { |
| char ch = (char) i; |
| boolean expected = false; |
| // Since Character.isJavaLetter(char) strictly conforms to |
| // character information from version 10.0 of the Unicode Standard, |
| // check if code point is "Japanese Era Square character code |
| // point". If the code point is "Japanese Era Square character code |
| // point", value of variable "expected" is considered false. |
| if (i != JAPANESE_ERA_CODEPOINT) { |
| byte type = (byte) Character.getType(ch); |
| expected = Character.isLetter(ch) |
| || type == Character.LETTER_NUMBER |
| || type == Character.CURRENCY_SYMBOL |
| || type == Character.CONNECTOR_PUNCTUATION; |
| } |
| |
| if (Character.isJavaLetter(ch) != expected) { |
| throw new RuntimeException( |
| "Character.isJavaLetter(ch) failed for codepoint " |
| + Integer.toHexString(i)); |
| } |
| } |
| } |
| |
| /** |
| * Assertion testing for public static boolean isJavaLetterOrDigit(char ch), |
| * A character may be part of a Java identifier if and only if any of the |
| * following are true: |
| * <ul> |
| * <li>it is a letter |
| * <li>it is a currency symbol (such as '$') |
| * <li>it is a connecting punctuation character (such as '_') |
| * <li>it is a digit |
| * <li>it is a numeric letter (such as a Roman numeral character) |
| * <li>it is a combining mark |
| * <li>it is a non-spacing mark |
| * <li>isIdentifierIgnorable returns true for the character. |
| * </ul> |
| * All Unicode code points in the BMP (0x0000..0xFFFF) are tested. |
| */ |
| public static void testIsJavaLetterOrDigit() { |
| for (int i = 0; i <= Character.MAX_VALUE; ++i) { |
| char ch = (char) i; |
| boolean expected = false; |
| // Since Character.isJavaLetterOrDigit(char) strictly conforms to |
| // character information from version 10.0 of the Unicode Standard, |
| // check if code point is "Japanese Era Square character code |
| // point". If the code point is "Japanese Era Square character code |
| // point", value of variable "expected" is considered false. |
| if (i != JAPANESE_ERA_CODEPOINT) { |
| byte type = (byte) Character.getType(ch); |
| expected = Character.isLetter(ch) |
| || type == Character.CURRENCY_SYMBOL |
| || type == Character.CONNECTOR_PUNCTUATION |
| || Character.isDigit(ch) |
| || type == Character.LETTER_NUMBER |
| || type == Character.COMBINING_SPACING_MARK |
| || type == Character.NON_SPACING_MARK |
| || Character.isIdentifierIgnorable(ch); |
| } |
| |
| if (Character.isJavaLetterOrDigit(ch) != expected) { |
| throw new RuntimeException( |
| "Character.isJavaLetterOrDigit(ch) failed for codepoint " |
| + Integer.toHexString(i)); |
| } |
| } |
| } |
| } |
