// !DIAGNOSTICS: -UNUSED_EXPRESSION -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_PARAMETER -UNUSED_VARIABLE -UNUSED_VALUE -VARIABLE_WITH_REDUNDANT_INITIALIZER
// SKIP_TXT

/*
 * KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (NEGATIVE)
 *
 * SECTIONS: dfa
 * NUMBER: 43
 * DESCRIPTION: Raw data flow analysis test
 * HELPERS: classes, objects, typealiases, functions, enumClasses, interfaces, sealedClasses
 */

/*
 * TESTCASE NUMBER: 1
 * ISSUES: KT-10461
 */
fun case_1(x: Double?, y: Double?) : Double {
    return if (x == null && y == null) {
        0.0
    } else if (x != null && y == null) {
        <!DEBUG_INFO_SMARTCAST!>x<!>
    } else if (x == null && y != null) {
        <!DEBUG_INFO_SMARTCAST!>y<!>
    } else {
        x <!UNSAFE_OPERATOR_CALL!>+<!> <!TYPE_MISMATCH!>y<!>
    }
}

/*
 * TESTCASE NUMBER: 2
 * ISSUES: KT-8781
 */
fun case_2(x: Boolean?, y: Any?) {
    if (x == true) return
    if (x == false) return
    if (y != x) {
        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any?")!>y<!>
        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any?")!>y<!><!UNSAFE_CALL!>.<!>equals(10)
    }
}

/*
 * TESTCASE NUMBER: 3
 * ISSUES: KT-8781
 */
fun case_3(x : Unit?, y : Any?) {
    if (x == kotlin.Unit) return
    if (y != x) {
        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any?")!>y<!>
        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any?")!>y<!><!UNSAFE_CALL!>.<!>equals(10)
    }
}

/*
 * TESTCASE NUMBER: 4
 * ISSUES: KT-8781
 */
fun case_4(x : EnumClassSingle?, y : Any?) {
    if (x == EnumClassSingle.EVERYTHING) return
    if (y != x) {
        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any?")!>y<!>
        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any?")!>y<!><!UNSAFE_CALL!>.<!>equals(10)
    }
}

/*
 * TESTCASE NUMBER: 5
 * ISSUES: KT-18950
 */
fun case_5(x: SealedClass) {
    when (x) {
        is SealedChild1 -> <!DEBUG_INFO_SMARTCAST!>x<!>.number
        is SealedChild2 -> <!DEBUG_INFO_SMARTCAST!>x<!>.e1 + <!DEBUG_INFO_SMARTCAST!>x<!>.e2
        else -> x.<!UNRESOLVED_REFERENCE!>m1<!> <!DEBUG_INFO_MISSING_UNRESOLVED!>+<!> x.<!UNRESOLVED_REFERENCE!>m1<!>
    }
}

/*
 * TESTCASE NUMBER: 6
 * ISSUES: KT-18950
 */
fun case_6(x: SealedClass?) {
    when (x) {
        is SealedChild1 -> <!DEBUG_INFO_SMARTCAST!>x<!>.number
        is SealedChild2 -> <!DEBUG_INFO_SMARTCAST!>x<!>.e1 + <!DEBUG_INFO_SMARTCAST!>x<!>.e2
        null -> {}
        else -> x.<!UNRESOLVED_REFERENCE!>m1<!> <!DEBUG_INFO_MISSING_UNRESOLVED!>+<!> x.<!UNRESOLVED_REFERENCE!>m1<!>
    }
}