95 }
96
97 private static void getNewOldSize(String gcflag, long[] values) throws Exception {
98 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(gcflag,
99 "-XX:+PrintFlagsFinal", "-version");
100 OutputAnalyzer output = new OutputAnalyzer(pb.start());
101 output.shouldHaveExitValue(0);
102
103 String stdout = output.getStdout();
104 values[0] = getFlagValue(" NewSize", stdout);
105 values[1] = getFlagValue(" OldSize", stdout);
106 }
107
108 public static void checkGenMaxHeapErgo(String gcflag) throws Exception {
109 TestMaxHeapSizeTools.checkGenMaxHeapSize(gcflag, 3);
110 TestMaxHeapSizeTools.checkGenMaxHeapSize(gcflag, 4);
111 TestMaxHeapSizeTools.checkGenMaxHeapSize(gcflag, 5);
112 }
113
114 private static void checkInvalidMinInitialHeapCombinations(String gcflag) throws Exception {
115 expectError(new String[] { gcflag, "-Xms64M", "-XX:InitialHeapSize=32M", "-version" });
116 }
117
118 private static void checkValidMinInitialHeapCombinations(String gcflag) throws Exception {
119 expectValid(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-Xms4M", "-version" });
120 expectValid(new String[] { gcflag, "-Xms4M", "-XX:InitialHeapSize=8M", "-version" });
121 expectValid(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-Xms8M", "-version" });
122 // the following is not an error as -Xms sets both minimal and initial heap size
123 expectValid(new String[] { gcflag, "-XX:InitialHeapSize=4M", "-Xms8M", "-version" });
124 }
125
126 private static void checkInvalidInitialMaxHeapCombinations(String gcflag) throws Exception {
127 expectError(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=8M", "-version" });
128 expectError(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-XX:MaxHeapSize=4M", "-version" });
129 }
130
131 private static void checkValidInitialMaxHeapCombinations(String gcflag) throws Exception {
132 expectValid(new String[] { gcflag, "-XX:InitialHeapSize=4M", "-XX:MaxHeapSize=8M", "-version" });
133 expectValid(new String[] { gcflag, "-XX:MaxHeapSize=8M", "-XX:InitialHeapSize=4M", "-version" });
134 expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=4M", "-version" });
135 // a value of "0" for initial heap size means auto-detect
136 expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=0M", "-version" });
137 }
138
139 private static long valueAfter(String source, String match) {
140 int start = source.indexOf(match) + match.length();
141 String tail = source.substring(start).split(" ")[0];
142 return Long.parseLong(tail);
143 }
144
145 /**
146 * Executes a new VM process with the given class and parameters.
147 * @param vmargs Arguments to the VM to run
148 * @param classname Name of the class to run
149 * @param arguments Arguments to the class
150 * @param useTestDotJavaDotOpts Use test.java.opts as part of the VM argument string
151 * @return The OutputAnalyzer with the results for the invocation.
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95 }
96
97 private static void getNewOldSize(String gcflag, long[] values) throws Exception {
98 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(gcflag,
99 "-XX:+PrintFlagsFinal", "-version");
100 OutputAnalyzer output = new OutputAnalyzer(pb.start());
101 output.shouldHaveExitValue(0);
102
103 String stdout = output.getStdout();
104 values[0] = getFlagValue(" NewSize", stdout);
105 values[1] = getFlagValue(" OldSize", stdout);
106 }
107
108 public static void checkGenMaxHeapErgo(String gcflag) throws Exception {
109 TestMaxHeapSizeTools.checkGenMaxHeapSize(gcflag, 3);
110 TestMaxHeapSizeTools.checkGenMaxHeapSize(gcflag, 4);
111 TestMaxHeapSizeTools.checkGenMaxHeapSize(gcflag, 5);
112 }
113
114 private static void checkInvalidMinInitialHeapCombinations(String gcflag) throws Exception {
115 expectError(new String[] { gcflag, "-XX:InitialHeapSize=1023K", "-version" });
116 expectError(new String[] { gcflag, "-Xms64M", "-XX:InitialHeapSize=32M", "-version" });
117 }
118
119 private static void checkValidMinInitialHeapCombinations(String gcflag) throws Exception {
120 expectValid(new String[] { gcflag, "-XX:InitialHeapSize=1024K", "-version" });
121 expectValid(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-Xms4M", "-version" });
122 expectValid(new String[] { gcflag, "-Xms4M", "-XX:InitialHeapSize=8M", "-version" });
123 expectValid(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-Xms8M", "-version" });
124 // the following is not an error as -Xms sets both minimal and initial heap size
125 expectValid(new String[] { gcflag, "-XX:InitialHeapSize=4M", "-Xms8M", "-version" });
126 }
127
128 private static void checkInvalidInitialMaxHeapCombinations(String gcflag) throws Exception {
129 expectError(new String[] { gcflag, "-XX:MaxHeapSize=2047K", "-version" });
130 expectError(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=8M", "-version" });
131 expectError(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-XX:MaxHeapSize=4M", "-version" });
132 }
133
134 private static void checkValidInitialMaxHeapCombinations(String gcflag) throws Exception {
135 expectValid(new String[] { gcflag, "-XX:MaxHeapSize=2048K", "-version" });
136 expectValid(new String[] { gcflag, "-XX:InitialHeapSize=4M", "-XX:MaxHeapSize=8M", "-version" });
137 expectValid(new String[] { gcflag, "-XX:MaxHeapSize=8M", "-XX:InitialHeapSize=4M", "-version" });
138 expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=4M", "-version" });
139 // a value of "0" for initial heap size means auto-detect
140 expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=0M", "-version" });
141 }
142
143 private static long valueAfter(String source, String match) {
144 int start = source.indexOf(match) + match.length();
145 String tail = source.substring(start).split(" ")[0];
146 return Long.parseLong(tail);
147 }
148
149 /**
150 * Executes a new VM process with the given class and parameters.
151 * @param vmargs Arguments to the VM to run
152 * @param classname Name of the class to run
153 * @param arguments Arguments to the class
154 * @param useTestDotJavaDotOpts Use test.java.opts as part of the VM argument string
155 * @return The OutputAnalyzer with the results for the invocation.
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