1 /*
2 * @test ParserTest
3 * @summary verify that whitebox functions can be linked and executed
4 * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI ParserTest.java
5 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ParserTest
6 */
7
8 import java.math.BigInteger;
9
10 import sun.hotspot.parser.DiagnosticCommand;
11 import sun.hotspot.parser.DiagnosticCommand.DiagnosticArgumentType;
12 import sun.hotspot.WhiteBox;
13
14 public class ParserTest {
15 WhiteBox wb;
16
17 public ParserTest() throws Exception {
18 wb = WhiteBox.getWhiteBox();
19
20 testNanoTime();
21 testJLong();
22 testBool();
23 testQuotes();
24 testMemorySize();
25 }
26
27 public static void main(String... args) throws Exception {
28 new ParserTest();
29 }
30
31 public void testNanoTime() throws Exception {
32 String name = "name";
33 DiagnosticCommand arg = new DiagnosticCommand(name,
34 "desc", DiagnosticArgumentType.NANOTIME,
35 false, "0");
36 DiagnosticCommand[] args = {arg};
37
38 BigInteger bi = new BigInteger("7");
39 //These should work
40 parse(name, bi.toString(), name + "=7ns", args);
41
42 bi = bi.multiply(BigInteger.valueOf(1000));
43 parse(name, bi.toString(), name + "=7us", args);
44
45 bi = bi.multiply(BigInteger.valueOf(1000));
46 parse(name, bi.toString(), name + "=7ms", args);
47
48 bi = bi.multiply(BigInteger.valueOf(1000));
49 parse(name, bi.toString(), name + "=7s", args);
50
51 bi = bi.multiply(BigInteger.valueOf(60));
52 parse(name, bi.toString() , name + "=7m", args);
53
54 bi = bi.multiply(BigInteger.valueOf(60));
55 parse(name, bi.toString() , name + "=7h", args);
56
57 bi = bi.multiply(BigInteger.valueOf(24));
58 parse(name, bi.toString() , name + "=7d", args);
59
60 parse(name, "0", name + "=0", args);
61
62 shouldFail(name + "=7xs", args);
63 shouldFail(name + "=7mms", args);
64 shouldFail(name + "=7f", args);
65 //Currently, only value 0 is allowed without unit
66 shouldFail(name + "=7", args);
67 }
68
69 public void testJLong() throws Exception {
70 String name = "name";
71 DiagnosticCommand arg = new DiagnosticCommand(name,
72 "desc", DiagnosticArgumentType.JLONG,
73 false, "0");
74 DiagnosticCommand[] args = {arg};
75
76 wb.parseCommandLine(name + "=10", args);
77 parse(name, "10", name + "=10", args);
78 parse(name, "-5", name + "=-5", args);
79
80 //shouldFail(name + "=12m", args); <-- should fail, doesn't
81 }
82
83 public void testBool() throws Exception {
84 String name = "name";
85 DiagnosticCommand arg = new DiagnosticCommand(name,
86 "desc", DiagnosticArgumentType.BOOLEAN,
87 false, "false");
88 DiagnosticCommand[] args = {arg};
89
90 parse(name, "true", name + "=true", args);
91 parse(name, "false", name + "=false", args);
92 parse(name, "true", name, args);
93
94 //Empty commandline to parse, tests default value
95 //of the parameter "name"
96 parse(name, "false", "", args);
97 }
98
99 public void testQuotes() throws Exception {
100 String name = "name";
101 DiagnosticCommand arg1 = new DiagnosticCommand(name,
102 "desc", DiagnosticArgumentType.STRING,
103 false, null);
104 DiagnosticCommand arg2 = new DiagnosticCommand("arg",
105 "desc", DiagnosticArgumentType.STRING,
106 false, null);
107 DiagnosticCommand[] args = {arg1, arg2};
108
109 // try with a quoted value
110 parse(name, "Recording 1", name + "=\"Recording 1\"", args);
111 // try with a quoted argument
112 parse(name, "myrec", "\"" + name + "\"" + "=myrec", args);
113 // try with both a quoted value and a quoted argument
114 parse(name, "Recording 1", "\"" + name + "\"" + "=\"Recording 1\"", args);
115
116 // now the same thing but with other arguments after
117
118 // try with a quoted value
119 parse(name, "Recording 1", name + "=\"Recording 1\",arg=value", args);
120 // try with a quoted argument
121 parse(name, "myrec", "\"" + name + "\"" + "=myrec,arg=value", args);
122 // try with both a quoted value and a quoted argument
123 parse(name, "Recording 1", "\"" + name + "\"" + "=\"Recording 1\",arg=value", args);
124 }
125
126 public void testMemorySize() throws Exception {
127 String name = "name";
128 String defaultValue = "1024";
129 DiagnosticCommand arg = new DiagnosticCommand(name,
130 "desc", DiagnosticArgumentType.MEMORYSIZE,
131 false, defaultValue);
132 DiagnosticCommand[] args = {arg};
133
134 BigInteger bi = new BigInteger("7");
135 parse(name, bi.toString(), name + "=7b", args);
136
137 bi = bi.multiply(BigInteger.valueOf(1024));
138 parse(name, bi.toString(), name + "=7k", args);
139
140 bi = bi.multiply(BigInteger.valueOf(1024));
141 parse(name, bi.toString(), name + "=7m", args);
142
143 bi = bi.multiply(BigInteger.valueOf(1024));
144 parse(name, bi.toString(), name + "=7g", args);
145 parse(name, defaultValue, "", args);
146
147 //shouldFail(name + "=7gg", args); <---- should fail, doesn't
148 //shouldFail(name + "=7t", args); <----- should fail, doesn't
149 }
150
151 public void parse(String searchName, String expectedValue,
152 String cmdLine, DiagnosticCommand[] argumentTypes) throws Exception {
153 //parseCommandLine will return an object array that looks like
154 //{<name of parsed object>, <of parsed object> ... }
155 Object[] res = wb.parseCommandLine(cmdLine, argumentTypes);
156 for (int i = 0; i < res.length-1; i+=2) {
157 String parsedName = (String) res[i];
158 if (searchName.equals(parsedName)) {
159 String parsedValue = (String) res[i+1];
160 if (expectedValue.equals(parsedValue)) {
161 return;
162 } else {
163 throw new Exception("Parsing of cmdline '" + cmdLine + "' failed!\n"
164 + searchName + " parsed as " + parsedValue
165 + "! Expected: " + expectedValue);
166 }
167 }
168 }
169 throw new Exception(searchName + " not found as a parsed Argument!");
170 }
171
172 private void shouldFail(String argument, DiagnosticCommand[] argumentTypes) throws Exception {
173 try {
174 wb.parseCommandLine(argument, argumentTypes);
175 throw new Exception("Parser accepted argument: " + argument);
176 } catch (IllegalArgumentException e) {
177 //expected
178 }
179 }
180 }