// Test case for Issue 548:
// https://github.com/typetools/checker-framework/issues/548

class TryFinallyContinue {
    String testWhile1() {
        String ans = "x";
        while (true) {
            if (true) {
                // :: error: (return.type.incompatible)
                return ans;
            }
            if (true) {
                try {
                    continue;
                } finally {
                    ans = null;
                }
            }
            ans = "x";
        }
    }

    String testWhile2(boolean cond) {
        String ans = "x";
        while (cond) {
            if (true) {
                return ans;
            }
            try {
                ans = null;
                continue;
            } finally {
                ans = "x";
            }
        }
        return ans;
    }

    String testWhile3(boolean cond) {
        String ans = "x";
        OUTER:
        while (true) {
            if (true) {
                // :: error: (return.type.incompatible)
                return ans;
            }

            try {
                while (cond) {
                    if (true) {
                        try {
                            continue OUTER;
                        } finally {
                            ans = "x";
                        }
                    }
                }
            } finally {
                ans = null;
            }
            ans = "x";
        }
    }

    String testFor1() {
        String ans = "x";
        for (; ; ) {
            if (true) {
                // :: error: (return.type.incompatible)
                return ans;
            }
            if (true) {
                try {
                    continue;
                } finally {
                    ans = null;
                }
            }
            ans = "x";
        }
    }

    String testFor2(boolean cond) {
        String ans = "x";
        for (; cond; ) {
            if (true) {
                return ans;
            }
            try {
                ans = null;
                continue;
            } finally {
                ans = "x";
            }
        }
        return ans;
    }

    String testFor3(boolean cond) {
        String ans = "x";
        OUTER:
        for (; ; ) {
            if (true) {
                // :: error: (return.type.incompatible)
                return ans;
            }

            try {
                for (; cond; ) {
                    if (true) {
                        try {
                            continue OUTER;
                        } finally {
                            ans = "x";
                        }
                    }
                }
            } finally {
                ans = null;
            }
            ans = "x";
        }
    }
}