Exemplo n.º 1
0
  // https://bugs.eclipse.org/bugs/show_bug.cgi?id=205046
  public void test002() throws Exception {
    this.runConformTest(
        new String[] {
          "X.java",
          "public class X {\n"
              + "	public static void main(String[] args) {\n"
              + "		System.out.print(\"line 1\");\n"
              + "		myBlock: {\n"
              + "			System.out.print(\"line 2\");\n"
              + "			if (false) {\n"
              + "				break myBlock;\n"
              + "			}\n"
              + "			System.out.print(\"line 3\");\n"
              + "		}\n"
              + "		System.out.print(\"line 4\");\n"
              + "	}"
              + "}",
        },
        "line 1line 2line 3line 4");

    String expectedOutput =
        "  // Method descriptor #15 ([Ljava/lang/String;)V\n"
            + "  // Stack: 2, Locals: 1\n"
            + "  public static void main(java.lang.String[] args);\n"
            + "     0  getstatic java.lang.System.out : java.io.PrintStream [16]\n"
            + "     3  ldc <String \"line 1\"> [22]\n"
            + "     5  invokevirtual java.io.PrintStream.print(java.lang.String) : void [24]\n"
            + "     8  getstatic java.lang.System.out : java.io.PrintStream [16]\n"
            + "    11  ldc <String \"line 2\"> [30]\n"
            + "    13  invokevirtual java.io.PrintStream.print(java.lang.String) : void [24]\n"
            + "    16  getstatic java.lang.System.out : java.io.PrintStream [16]\n"
            + "    19  ldc <String \"line 3\"> [32]\n"
            + "    21  invokevirtual java.io.PrintStream.print(java.lang.String) : void [24]\n"
            + "    24  getstatic java.lang.System.out : java.io.PrintStream [16]\n"
            + "    27  ldc <String \"line 4\"> [34]\n"
            + "    29  invokevirtual java.io.PrintStream.print(java.lang.String) : void [24]\n"
            + "    32  return\n"
            + "      Line numbers:\n"
            + "        [pc: 0, line: 3]\n"
            + "        [pc: 8, line: 5]\n"
            + "        [pc: 16, line: 9]\n"
            + "        [pc: 24, line: 11]\n"
            + "        [pc: 32, line: 12]\n"
            + "      Local variable table:\n"
            + "        [pc: 0, pc: 33] local: args index: 0 type: java.lang.String[]\n";

    File f = new File(OUTPUT_DIR + File.separator + "X.class");
    byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
    ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
    String result =
        disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
    int index = result.indexOf(expectedOutput);
    if (index == -1 || expectedOutput.length() == 0) {
      System.out.println(Util.displayString(result, 3));
    }
    if (index == -1) {
      assertEquals("Wrong contents", expectedOutput, result);
    }
  }
Exemplo n.º 2
0
  /** http://bugs.eclipse.org/bugs/show_bug.cgi?id=124212 */
  public void test001() throws Exception {
    this.runConformTest(
        new String[] {
          "X.java",
          "public class X {\n"
              + "    public static void main(String[] args) {\n"
              + "        String s;\n"
              + "        if(args.length == 0) {\n"
              + "          s = \"SUCCESS\";\n"
              + "        } else {\n"
              + "          return;\n"
              + "        }\n"
              + "        System.out.println(s);\n"
              + "    }\n"
              + "}",
        },
        "SUCCESS");

    ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
    byte[] classFileBytes =
        org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(
            new File(OUTPUT_DIR + File.separator + "X.class"));
    String actualOutput =
        disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);

    String expectedOutput =
        "      Local variable table:\n"
            + "        [pc: 0, pc: 20] local: args index: 0 type: java.lang.String[]\n"
            + "        [pc: 8, pc: 11] local: s index: 1 type: java.lang.String\n"
            + "        [pc: 12, pc: 20] local: s index: 1 type: java.lang.String\n";

    int index = actualOutput.indexOf(expectedOutput);
    if (index == -1 || expectedOutput.length() == 0) {
      System.out.println(Util.displayString(actualOutput, 3));
    }
    if (index == -1) {
      assertEquals("unexpected bytecode sequence", expectedOutput, actualOutput);
    }
  }