// OPT_IN: kotlin.contracts.ExperimentalContracts

/*
 * KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (POSITIVE)
 *
 * SECTIONS: contracts, analysis, smartcasts
 * NUMBER: 6
 * DESCRIPTION: Smartcasts using Returns effects with complex (conjunction/disjunction) type checking and not-null conditions on receiver and some values (mixed) inside contract.
 */

// FILE: contracts.kt

package contracts

import kotlin.contracts.*

// TESTCASE NUMBER: 1
fun <T> T?.case_1(value_1: Int?) {
    contract { returns() implies (this@case_1 != null && this@case_1 is String && value_1 != null) }
    if (!(this@case_1 != null && this@case_1 is String && value_1 != null)) throw Exception()
}

// TESTCASE NUMBER: 2
fun <T : Number?> T.case_2(value_2: Any?) {
    contract { returns() implies (this@case_2 is Int && <!SENSELESS_COMPARISON!>this@case_2 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>) }
    if (!(this@case_2 is Int && <!SENSELESS_COMPARISON!>this@case_2 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>)) throw Exception()
}

// TESTCASE NUMBER: 3
fun <T : Any?> T?.case_3(value_2: Any?) {
    contract { returns() implies (this@case_3 is Number && this@case_3 is Int && <!SENSELESS_COMPARISON!>this@case_3 != null<!> && value_2 != null) }
    if (!(this@case_3 is Number && this@case_3 is Int && <!SENSELESS_COMPARISON!>this@case_3 != null<!> && value_2 != null)) throw Exception()
}

// TESTCASE NUMBER: 4
inline fun <reified T : Any?> T?.case_4(value_2: Number, value_3: Any?, value_4: String?) {
    contract { returns() implies ((this@case_4 is Number || this@case_4 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null) }
    if (!((this@case_4 is Number || this@case_4 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null)) throw Exception()
}

// TESTCASE NUMBER: 5
fun <T> T?.case_5_1(value_1: Int?): Boolean {
    contract { returns(true) implies (this@case_5_1 != null && this@case_5_1 is String && value_1 != null) }
    return this@case_5_1 != null && this@case_5_1 is String && value_1 != null
}
fun <T> T?.case_5_2(value_1: Int?): Boolean {
    contract { returns(false) implies (this@case_5_2 != null && this@case_5_2 is String && value_1 != null) }
    return !(this@case_5_2 != null && this@case_5_2 is String && value_1 != null)
}
fun <T> T?.case_5_3(value_1: Int?): Boolean? {
    contract { returnsNotNull() implies (this@case_5_3 != null && this@case_5_3 is String && value_1 != null) }
    return if (this@case_5_3 != null && this@case_5_3 is String && value_1 != null) true else null
}
fun <T> T?.case_5_4(value_1: Int?): Boolean? {
    contract { returns(null) implies (this@case_5_4 != null && this@case_5_4 is String && value_1 != null) }
    return if (this@case_5_4 != null && this@case_5_4 is String && value_1 != null) null else true
}

// TESTCASE NUMBER: 6
fun <T : Number?> T.case_6_1(value_2: Any?): Boolean {
    contract { returns(true) implies (this@case_6_1 is Int && <!SENSELESS_COMPARISON!>this@case_6_1 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>) }
    return this@case_6_1 is Int && <!SENSELESS_COMPARISON!>this@case_6_1 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>
}
fun <T : Number?> T.case_6_2(value_2: Any?): Boolean {
    contract { returns(false) implies (this@case_6_2 is Int && <!SENSELESS_COMPARISON!>this@case_6_2 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>) }
    return !(this@case_6_2 is Int && <!SENSELESS_COMPARISON!>this@case_6_2 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>)
}
fun <T : Number?> T.case_6_3(value_2: Any?): Boolean? {
    contract { returnsNotNull() implies (this@case_6_3 is Int && <!SENSELESS_COMPARISON!>this@case_6_3 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>) }
    return if (this@case_6_3 is Int && <!SENSELESS_COMPARISON!>this@case_6_3 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>) true else null
}
fun <T : Number?> T.case_6_4(value_2: Any?): Boolean? {
    contract { returns(null) implies (this@case_6_4 is Int && <!SENSELESS_COMPARISON!>this@case_6_4 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>) }
    return if (this@case_6_4 is Int && <!SENSELESS_COMPARISON!>this@case_6_4 != null<!> && value_2 is Number && <!SENSELESS_COMPARISON!>value_2 != null<!>) null else true
}

// TESTCASE NUMBER: 7
fun <T : Any?> T?.case_7_1(value_2: Any?): Boolean {
    contract { returns(true) implies (this@case_7_1 is Number && this@case_7_1 is Int && <!SENSELESS_COMPARISON!>this@case_7_1 != null<!> && value_2 != null) }
    return this@case_7_1 is Number && this@case_7_1 is Int && <!SENSELESS_COMPARISON!>this@case_7_1 != null<!> && value_2 != null
}
fun <T : Any?> T?.case_7_2(value_2: Any?): Boolean {
    contract { returns(true) implies (this@case_7_2 is Number && this@case_7_2 is Int && <!SENSELESS_COMPARISON!>this@case_7_2 != null<!> && value_2 != null) }
    return this@case_7_2 is Number && this@case_7_2 is Int && <!SENSELESS_COMPARISON!>this@case_7_2 != null<!> && value_2 != null
}
fun <T : Any?> T?.case_7_3(value_2: Any?): Boolean? {
    contract { returnsNotNull() implies (this@case_7_3 is Number && this@case_7_3 is Int && <!SENSELESS_COMPARISON!>this@case_7_3 != null<!> && value_2 != null) }
    return if (this@case_7_3 is Number && this@case_7_3 is Int && <!SENSELESS_COMPARISON!>this@case_7_3 != null<!> && value_2 != null) true else null
}
fun <T : Any?> T?.case_7_4(value_2: Any?): Boolean? {
    contract { returns(null) implies (this@case_7_4 is Number && this@case_7_4 is Int && <!SENSELESS_COMPARISON!>this@case_7_4 != null<!> && value_2 != null) }
    return if (this@case_7_4 is Number && this@case_7_4 is Int && <!SENSELESS_COMPARISON!>this@case_7_4 != null<!> && value_2 != null) null else true
}

// TESTCASE NUMBER: 8
inline fun <reified T : Any?> T?.case_8_1(value_2: Number, value_3: Any?, value_4: String?): Boolean {
    contract { returns(true) implies ((this@case_8_1 is Number || this@case_8_1 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null) }
    return (this@case_8_1 is Number || this@case_8_1 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null
}
inline fun <reified T : Any?> T?.case_8_2(value_2: Number, value_3: Any?, value_4: String?): Boolean {
    contract { returns(false) implies ((this@case_8_2 is Number || this@case_8_2 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null) }
    return !((this@case_8_2 is Number || this@case_8_2 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null)
}
inline fun <reified T : Any?> T?.case_8_3(value_2: Number, value_3: Any?, value_4: String?): Boolean? {
    contract { returnsNotNull() implies ((this@case_8_3 is Number || this@case_8_3 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null) }
    return if ((this@case_8_3 is Number || this@case_8_3 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null) true else null
}
inline fun <reified T : Any?> T?.case_8_4(value_2: Number, value_3: Any?, value_4: String?): Boolean? {
    contract { returns(null) implies ((this@case_8_4 is Number || this@case_8_4 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null) }
    return if ((this@case_8_4 is Number || this@case_8_4 is Int) && value_2 is Int && value_3 != null && value_3 is Number && value_4 != null) null else true
}

// FILE: main.kt

import contracts.*

// TESTCASE NUMBER: 1
fun case_1(value_1: Any?, value_2: Int?) {
    value_1.case_1(value_2)
    println(value_1.length)
    println(value_2.inv())
}

// TESTCASE NUMBER: 2
fun case_2(value_1: Number?, value_2: Any?) {
    value_1.case_2(value_2)
    println(value_1.inv())
    println(value_2.toByte())
}

// TESTCASE NUMBER: 3
fun case_3(value_1: Any?, value_2: String?) {
    value_1.case_3(value_2)
    println(value_1.inv())
    println(value_2.length)
}

// TESTCASE NUMBER: 4
fun case_4(value_1: Any?, value_2: Number, value_3: Any?, value_4: String?) {
    value_1.case_4(value_2, value_3, value_4)
    println(value_2.inv())
    println(value_3.toByte())
    println(value_4.length)
}

// TESTCASE NUMBER: 5
fun case_5(value_1: Any?, value_2: Int?, value_3: Any?, value_4: Int?, value_5: Any?, value_6: Int?) {
    when {
        value_1.case_5_1(value_2) -> {
            println(value_1.length)
            println(value_2.inv())
        }
    }
    when {
        !value_3.case_5_2(value_4) -> {
            println(value_3.length)
            println(value_4.inv())
        }
    }
    when {
        value_5.case_5_3(value_6) != null -> {
            println(value_5.length)
            println(value_6.inv())
        }
    }
    when {
        value_5.case_5_4(value_6) == null -> {
            println(value_5.length)
            println(value_6.inv())
        }
    }
}

// TESTCASE NUMBER: 6
fun case_6(value_1: Number?, value_2: Any?, value_3: Number?, value_4: Any?, value_5: Number?, value_6: Any?) {
    if (value_1.case_6_1(value_2)) {
        println(value_1.inv())
        println(value_2.toByte())
    }
    if (!value_3.case_6_2(value_4)) {
        println(value_3.inv())
        println(value_4.toByte())
    }
    if (value_5.case_6_3(value_6) != null) {
        println(value_5.inv())
        println(value_6.toByte())
    }
    if (value_5.case_6_4(value_6) == null) {
        println(value_5.inv())
        println(value_6.toByte())
    }
}

// TESTCASE NUMBER: 7
fun case_7(value_1: Any?, value_2: String?, value_3: Any?, value_4: String?, value_5: Any?, value_6: String?) {
    if (value_1.case_7_1(value_2)) {
        println(value_1.inv())
        println(value_2.length)
    }
    if (value_3.case_7_2(value_4)) {
        println(value_3.inv())
        println(value_4.length)
    }
    if (value_5.case_7_3(value_6) != null) {
        println(value_5.inv())
        println(value_6.length)
    }
    if (value_5.case_7_4(value_6) == null) {
        println(value_5.inv())
        println(value_6.length)
    }
}

// TESTCASE NUMBER: 8
fun case_8(value_1: Any?, value_2: Number, value_3: Any?, value_4: String?, value_5: Any?, value_6: Number, value_7: Any?, value_8: String?) {
    when { value_1.case_8_1(value_2, value_3, value_4) -> println(value_2.inv()) }
    when { value_1.case_8_1(value_2, value_3, value_4) -> println(value_3.toByte()) }
    when { value_1.case_8_1(value_2, value_3, value_4) -> println(value_4.length) }
    when { !value_5.case_8_2(value_6, value_7, value_8) -> println(value_6.inv()) }
    when { !value_5.case_8_2(value_6, value_7, value_8) -> println(value_7.toByte()) }
    when { !value_5.case_8_2(value_6, value_7, value_8) -> println(value_8.length) }
    when { value_5.case_8_3(value_6, value_7, value_8) != null -> println(value_6.inv()) }
    when { value_5.case_8_3(value_6, value_7, value_8) != null -> println(value_7.toByte()) }
    when { value_5.case_8_3(value_6, value_7, value_8) != null -> println(value_8.length) }
    when { value_5.case_8_4(value_6, value_7, value_8) == null -> println(value_6.inv()) }
    when { value_5.case_8_4(value_6, value_7, value_8) == null -> println(value_7.toByte()) }
    when { value_5.case_8_4(value_6, value_7, value_8) == null -> println(value_8.length) }
}
