// Test case for issue #1214:
// https://github.com/typetools/checker-framework/issues/1214

public class Issue1214 {
    static String ng1() {
        String s = "not null";
        try {
            int data = 50 / 0;
        } catch (Exception e) {
            s = null;
        }
        // :: error: (return.type.incompatible)
        return s;
    }

    static String ng2(int x) {
        String s = "not null";
        try {
            short data = (short) (50 / x);
        } catch (Exception e) {
            try {
                s = null;
            } catch (Exception ee) {
            }
        }
        // :: error: (return.type.incompatible)
        return s;
    }

    static String ng3() {
        String s = "not null";
        try {
            int data = 50 % 0;
        } catch (Exception e) {
            try {
                // some statements...
            } catch (Exception ee) {
            } finally {
                s = null;
            }
        }
        // :: error: (return.type.incompatible)
        return s;
    }

    static String ng4(int data) {
        String s = "not null";
        try {
            data /= 0;
        } catch (Exception e) {
            s = null;
        }
        // :: error: (return.type.incompatible)
        return s;
    }

    static String ng5(short data) {
        String s = "not null";
        try {
            data /= 0;
        } catch (Exception e) {
            try {
                s = null;
            } catch (Exception ee) {
            }
        }
        // :: error: (return.type.incompatible)
        return s;
    }

    static String ng6(int data) {
        String s = "not null";
        try {
            data %= 0;
        } catch (Exception e) {
            try {
                // some statements...
            } catch (Exception ee) {
            } finally {
                s = null;
            }
        }
        // :: error: (return.type.incompatible)
        return s;
    }

    static String ok1() {
        String s = "not null";
        try {
            double data = 50 / 0.0;
        } catch (Exception e) {
            s = null;
        }
        return s;
    }

    static String ok2() {
        String s = "not null";
        try {
            double data = 50 % 0.0;
        } catch (Exception e) {
            s = null;
        }
        return s;
    }

    static String ok3(double data) {
        String s = "not null";
        try {
            data /= 0;
        } catch (Exception e) {
            s = null;
        }
        return s;
    }

    static String ok4(float data) {
        String s = "not null";
        try {
            data %= 0;
        } catch (Exception e) {
            s = null;
        }
        return s;
    }
}