checker/tests/nullness/Issue293.java

// Test for Issue 293:
// https://github.com/typetools/checker-framework/issues/293

public class Issue293 {
  void test1() {
    String s;
    try {
      s = read();
    } catch (Exception e) {
      // Because of definite assignment, s cannot be mentioned here.
      write("Catch.");
      return;
    } finally {
      // Because of definite assignment, s cannot be mentioned here.
      write("Finally.");
    }

    // s is definitely initialized here.
    write(s);
  }

  void test2() {
    String s2 = "";
    try {
    } finally {
      write(s2);
    }
  }

  void test3() throws Exception {
    String s = "";
    try {
      throw new Exception();
    } finally {
      write(s);
    }
  }

  void test4() throws Exception {
    String s = "";
    try {
      if (true) {
        throw new Exception();
      } else {
        s = null;
      }
    } finally {
      // :: error: argument
      write(s);
    }
  }

  String read() throws Exception {
    throw new Exception();
  }

  void write(String p) {
    System.out.println(p);
  }
}