Tianyu Geng
4726dcce40
In order to make resolution still work for members not available from `Nothing`, we track the type without `Nothing?` and use that for resolution instead.
115 lines
2.8 KiB
Kotlin
Vendored
115 lines
2.8 KiB
Kotlin
Vendored
// !LANGUAGE: +NewInference
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// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE -UNUSED_VALUE -VARIABLE_WITH_REDUNDANT_INITIALIZER
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// SKIP_TXT
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/*
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* TESTCASE NUMBER: 1
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* UNEXPECTED BEHAVIOUR
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* ISSUES: KT-22175
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*/
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fun case_1(x: String?) = x
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fun case_1(x: Int?) = x
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fun case_1() {
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var x: Int? = 10
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x = null
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<!OVERLOAD_RESOLUTION_AMBIGUITY!>case_1<!>(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>)
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}
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// TESTCASE NUMBER: 2
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fun case_2(x: Int?) = x
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fun case_2(x: Nothing?) = x
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fun case_2() {
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var x: Int? = 10
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x = null
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case_2(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>)
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}
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// TESTCASE NUMBER: 3
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fun case_3(x: String?) = x
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fun case_3() {
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var x: Int? = 10
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x = null
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case_3(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>)
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}
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/*
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* TESTCASE NUMBER: 4
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* UNEXPECTED BEHAVIOUR
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* ISSUES: KT-22175
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*/
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fun String?.case_4() = this
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fun Int?.case_4() = this
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fun case_4() {
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var x: Int? = 10
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x = null
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<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>.<!OVERLOAD_RESOLUTION_AMBIGUITY!>case_4<!>()
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}
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// TESTCASE NUMBER: 5
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fun Int?.case_5() = this
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fun Nothing?.case_5() = this
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fun case_5() {
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var x: Int? = 10
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x = null
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<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>.case_5()
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}
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// TESTCASE NUMBER: 6
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fun String?.case_6() = this
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fun case_6() {
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var x: Int? = 10
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x = null
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<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>.case_6()
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}
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/*
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* TESTCASE NUMBER: 7
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* UNEXPECTED BEHAVIOUR
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* ISSUES: KT-22175
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*/
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fun <T : String?> T.case_7() = this
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fun <T : Int?> T.case_7() = this
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fun case_7() {
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var x: Int? = 10
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x = null
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<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>.<!OVERLOAD_RESOLUTION_AMBIGUITY!>case_7<!>()
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}
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// TESTCASE NUMBER: 8
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fun <T : Int?> T.case_8() = this
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fun <T : Nothing?> T.case_8() = this
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fun case_8() {
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var x: Int? = 10
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x = null
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<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>.case_8()
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}
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// TESTCASE NUMBER: 9
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fun <T : String?> T.case_9() = this
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fun case_9() {
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var x: Int? = 10
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x = null
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<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>.case_9()
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}
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/*
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* TESTCASE NUMBER: 10
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* UNEXPECTED BEHAVIOUR
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* ISSUES: KT-22175
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*/
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fun <T : <!FINAL_UPPER_BOUND!>String<!>> T?.case_10() = this
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fun <T : <!FINAL_UPPER_BOUND!>Int<!>> T?.case_10() = this
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fun case_10() {
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var x: Int? = 10
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x = null
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<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>.<!OVERLOAD_RESOLUTION_AMBIGUITY!>case_10<!>()
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}
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// TESTCASE NUMBER: 11
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fun <T : <!FINAL_UPPER_BOUND!>String<!>> T?.case_11() = this
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fun case_11() {
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var x: Int? = 10
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x = null
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<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>.case_11()
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}
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