1 /*
2 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import org.testng.Assert;
25 import org.testng.annotations.DataProvider;
26 import org.testng.annotations.Test;
27
28 import java.lang.reflect.code.parser.impl.Scanner;
29 import java.lang.reflect.code.parser.impl.Tokens;
30 import java.util.ArrayList;
31 import java.util.List;
32
33 import static java.lang.reflect.code.parser.impl.Tokens.TokenKind.*;
34
35 /*
36 * @test
37 * @modules java.base/java.lang.reflect.code.parser.impl
38 * @run testng TestScanner
39 */
40
41 public class TestScanner {
42
43 @DataProvider
44 Object[][] data() {
45 return new Object[][] {
46 {"java.lang.Integer", List.of(IDENTIFIER, DOT, IDENTIFIER, DOT, IDENTIFIER)},
47 {"java.lang.Integer", List.of("java", DOT, "lang", DOT, "Integer")},
48 {"a<a<a, a>,a<a, a>>", List.of("a", LT,
49 "a", LT, "a", COMMA, "a", GT,
50 COMMA,
51 "a", LT, "a", COMMA, "a", GT,
52 GT)},
53 {"_->(){}[],.=><?:;+-&^@", List.of(
54 UNDERSCORE,
55 ARROW,
56 LPAREN,
57 RPAREN,
58 LBRACE,
59 RBRACE,
60 LBRACKET,
61 RBRACKET,
62 COMMA,
63 DOT,
64 EQ,
65 GT,
66 LT,
67 QUES,
68 COLON,
69 SEMI,
70 PLUS,
71 SUB,
72 AMP,
73 CARET,
74 MONKEYS_AT
75 )},
76 {"%1 %a %_1", List.of(VALUE_IDENTIFIER, VALUE_IDENTIFIER, VALUE_IDENTIFIER)},
77 {"%1 %a %_1", List.of("%1", "%a", "%_1")},
78 {"\"abc\\n\"", List.of(STRINGLITERAL)},
79 {"\"abc \\b \\f \\n \\r \\t \\' \\\" \\\\\"", List.of("abc \b \f \n \r \t \' \" \\")},
80 };
81 }
82
83 @Test(dataProvider = "data")
84 public void test(String content, List<Object> expectedTokens) {
85 Scanner.Factory factory = Scanner.factory();
86
87 Scanner s = factory.newScanner(content);
88 s.nextToken();
89 List<Tokens.Token> actualTokens = new ArrayList<>();
90 while (s.token().kind != EOF) {
91 actualTokens.add(s.token());
92 s.nextToken();
93 }
94
95 Assert.assertEquals(actualTokens.size(), expectedTokens.size());
96 for (int i = 0; i < expectedTokens.size(); i++) {
97 Object e = expectedTokens.get(i);
98 Tokens.Token a = actualTokens.get(i);
99 if (e instanceof Tokens.TokenKind t) {
100 Assert.assertEquals(a.kind, t);
101 } else if (e instanceof String v) {
102 String as = switch (a.kind.tag) {
103 case NAMED -> a.name();
104 case STRING, NUMERIC -> a.stringVal();
105 case DEFAULT -> a.kind.name;
106 };
107 Assert.assertEquals(as, v);
108 } else {
109 assert false;
110 }
111 }
112 }
113 }