|
23 | 23 | * questions. |
24 | 24 | */ |
25 | 25 |
|
| 26 | +import java.io.File; |
| 27 | +import java.util.Arrays; |
| 28 | +import java.util.List; |
| 29 | +import java.util.Locale; |
| 30 | +import java.util.logging.Level; |
| 31 | +import java.util.logging.Logger; |
26 | 32 | import java.util.spi.ToolProvider; |
| 33 | +import java.util.stream.Stream; |
| 34 | +import static java.util.stream.Collectors.*; |
27 | 35 |
|
28 | 36 | // This program is executed by make/RunTests.gmk to support running HotSpot tests |
29 | 37 | // in the "AOT mode", for example: |
|
44 | 52 | // the customized AOT cache contains *only* classes from the JDK itself. |
45 | 53 |
|
46 | 54 | public class TestSetupAOT { |
| 55 | + private static final Logger LOGGER = Logger.getLogger("Hello"); |
| 56 | + |
47 | 57 | public static void main(String[] args) throws Throwable { |
48 | | - String[] tools = { |
49 | | - "javac", "javap", "jlink", "jar", |
50 | | - }; |
51 | | - // TODO: we should do more substantial work than just running with "--help". |
52 | | - // E.g., use javac to compile a program. |
53 | | - for (String tool : tools) { |
54 | | - ToolProvider t = ToolProvider.findFirst(tool) |
55 | | - .orElseThrow(() -> new RuntimeException(tool + " not found")); |
56 | | - t.run(System.out, System.out, "--help"); |
| 58 | + runJDKTools(args); |
| 59 | + invokedynamicTests(args); |
| 60 | + LOGGER.log(Level.FINE, "Done"); |
| 61 | + } |
| 62 | + |
| 63 | + static void runJDKTools(String[] args) throws Throwable { |
| 64 | + String tmpDir = args[0]; |
| 65 | + System.out.println("Working Directory = " + System.getProperty("user.dir")); |
| 66 | + System.out.println("Temp output dir = " + tmpDir); |
| 67 | + |
| 68 | + // ------------------------------ |
| 69 | + // javac |
| 70 | + |
| 71 | + execTool("javac", "--help"); |
| 72 | + |
| 73 | + JavacBenchApp.main(new String[] {"5"}); |
| 74 | + |
| 75 | + // ------------------------------ |
| 76 | + // javap |
| 77 | + |
| 78 | + execTool("javap", "--help"); |
| 79 | + execTool("javap", "-c", "-private", "-v", "-verify", |
| 80 | + "java.lang.System", |
| 81 | + "java/util/stream/IntStream", |
| 82 | + "jdk.internal.module.ModuleBootstrap"); |
| 83 | + |
| 84 | + // ------------------------------ |
| 85 | + // jlink |
| 86 | + |
| 87 | + String jlinkOutput = tmpDir + File.separator + "jlinkOutput"; |
| 88 | + |
| 89 | + execTool("jlink", "--help"); |
| 90 | + execTool("jlink", "--list-plugins"); |
| 91 | + |
| 92 | + deleteAll(jlinkOutput); |
| 93 | + execTool("jlink", "--add-modules", "java.base", "--strip-debug", "--output", jlinkOutput); |
| 94 | + deleteAll(jlinkOutput); |
| 95 | + |
| 96 | + // ------------------------------ |
| 97 | + // jar |
| 98 | + |
| 99 | + String jarOutput = tmpDir + File.separator + "tmp.jar"; |
| 100 | + |
| 101 | + execTool("jar", "--help"); |
| 102 | + |
| 103 | + deleteAll(jarOutput); |
| 104 | + execTool("jar", "cvf", jarOutput, "TestSetupAOT.class"); |
| 105 | + execTool("jar", "uvf", jarOutput, "TestSetupAOT.class"); |
| 106 | + execTool("jar", "tvf", jarOutput); |
| 107 | + execTool("jar", "--describe-module", "--file=" + jarOutput); |
| 108 | + deleteAll(jarOutput); |
| 109 | + |
| 110 | + // ------------------------------ |
| 111 | + // jdeps |
| 112 | + |
| 113 | + execTool("jdeps", "--help"); |
| 114 | + execTool("jdeps", "-v", "TestSetupAOT.class"); |
| 115 | + } |
| 116 | + |
| 117 | + static void deleteAll(String f) { |
| 118 | + deleteAll(new File(f)); |
| 119 | + } |
| 120 | + |
| 121 | + static void deleteAll(File f) { |
| 122 | + File[] files = f.listFiles(); |
| 123 | + if (files != null) { |
| 124 | + for (File file : files) { |
| 125 | + deleteAll(file); |
| 126 | + } |
57 | 127 | } |
| 128 | + System.out.println("Deleting: " + f); |
| 129 | + f.delete(); |
| 130 | + } |
| 131 | + |
| 132 | + static void execTool(String tool, String... args) throws Throwable { |
| 133 | + System.out.println("== Running tool ======================================================"); |
| 134 | + System.out.print(tool); |
| 135 | + for (String s : args) { |
| 136 | + System.out.print(" " + s); |
| 137 | + } |
| 138 | + System.out.println(); |
| 139 | + System.out.println("======================================================================"); |
| 140 | + |
| 141 | + ToolProvider t = ToolProvider.findFirst(tool) |
| 142 | + .orElseThrow(() -> new RuntimeException(tool + " not found")); |
| 143 | + t.run(System.out, System.out, args); |
| 144 | + } |
| 145 | + |
| 146 | + |
| 147 | + // Run some operations with java.util.stream, lambda expressions and string concatenation. This |
| 148 | + // will lead to AOT resolution of invokedynamic call sites. |
| 149 | + static void invokedynamicTests(String args[]) { |
| 150 | + List<String> strings = Arrays.asList("Hello", "World!"); |
| 151 | + |
| 152 | + String helloWorld = strings.parallelStream() |
| 153 | + .filter(s -> s.contains("o")) |
| 154 | + .map(s -> s.toLowerCase(Locale.ROOT)) |
| 155 | + .collect(joining(",")); |
| 156 | + |
| 157 | + Stream.of(helloWorld.split("([,x-z]{1,3})([\\s]*)")) |
| 158 | + .map(String::toString) |
| 159 | + .forEach(System.out::println); |
| 160 | + |
| 161 | + // Common concatenation patterns |
| 162 | + int i = args.length * 12357; // Seed with this so javac will not perform constant folding. |
| 163 | + String s = String.valueOf(i); |
| 164 | + |
| 165 | + String SS = s + s; |
| 166 | + String CS = "string" + s; |
| 167 | + String SC = s + "string"; |
| 168 | + String SCS = s + "string" + s; |
| 169 | + String CSS = "string" + s + s; |
| 170 | + String CSC = "string" + s + "string"; |
| 171 | + String SSC = s + s + "string"; |
| 172 | + String CSCS = "string" + s + "string" + s; |
| 173 | + String SCSC = s + "string" + s + "string"; |
| 174 | + String CSCSC = "string" + s + "string" + s + "string"; |
| 175 | + String SCSCS = s + "string" + s + "string" + s; |
| 176 | + String SSCSS = s + s + "string" + s + s; |
| 177 | + String S5 = s + s + s + s + s; |
| 178 | + String S6 = s + s + s + s + s + s; |
| 179 | + String S7 = s + s + s + s + s + s + s; |
| 180 | + String S8 = s + s + s + s + s + s + s + s; |
| 181 | + String S9 = s + s + s + s + s + s + s + s + s; |
| 182 | + String S10 = s + s + s + s + s + s + s + s + s + s; |
| 183 | + |
| 184 | + String CI = "string" + i; |
| 185 | + String IC = i + "string"; |
| 186 | + String SI = s + i; |
| 187 | + String IS = i + s; |
| 188 | + String CIS = "string" + i + s; |
| 189 | + String CSCI = "string" + s + "string" + i; |
| 190 | + String CIC = "string" + i + "string"; |
| 191 | + String CICI = "string" + i + "string" + i; |
| 192 | + |
| 193 | + float f = 0.1f; |
| 194 | + String CF = "string" + f; |
| 195 | + String CFS = "string" + f + s; |
| 196 | + String CSCF = "string" + s + "string" + f; |
| 197 | + |
| 198 | + char c = 'a'; |
| 199 | + String CC = "string" + c; |
| 200 | + String CCS = "string" + c + s; |
| 201 | + String CSCC = "string" + s + "string" + c; |
| 202 | + |
| 203 | + long l = i + 12345678; |
| 204 | + String CJ = "string" + l; |
| 205 | + String JC = l + "string"; |
| 206 | + String CJC = "string" + l + "string"; |
| 207 | + String CJCJ = "string" + l + "string" + l; |
| 208 | + String CJCJC = "string" + l + "string" + l + "string"; |
| 209 | + double d = i / 2.0; |
| 210 | + String CD = "string" + d; |
| 211 | + String CDS = "string" + d + s; |
| 212 | + String CSCD = "string" + s + "string" + d; |
58 | 213 | } |
59 | 214 | } |
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