Anže Sodja
37 lines
1.2 KiB
Kotlin
Vendored
37 lines
1.2 KiB
Kotlin
Vendored
annotation class ValueContainer
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@ValueContainer
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data class StringProperty(var v: String) {
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fun assign(v: String): <!DECLARATION_ERROR_ASSIGN_METHOD_SHOULD_RETURN_UNIT!>String<!> {
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this.v = v
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return ""
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}
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fun assign(v: StringProperty): <!DECLARATION_ERROR_ASSIGN_METHOD_SHOULD_RETURN_UNIT!>String<!> {
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this.v = v.get()
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return ""
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}
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fun get(): String = v
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}
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fun StringProperty.assign(v: Int): <!DECLARATION_ERROR_ASSIGN_METHOD_SHOULD_RETURN_UNIT!>String<!> {
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this.v = "OK"
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return ""
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}
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data class Task(val input: StringProperty)
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fun `should report an error for assign method return type on assignment for annotated class`() {
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val task = Task(StringProperty("Fail"))
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<!VAL_REASSIGNMENT!>task.input<!> <!CALL_ERROR_ASSIGN_METHOD_SHOULD_RETURN_UNIT!>=<!> "42"
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<!VAL_REASSIGNMENT!>task.input<!> <!CALL_ERROR_ASSIGN_METHOD_SHOULD_RETURN_UNIT!>=<!> 42
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}
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fun `should not report an error for assign return type for unannotated class`() {
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data class IntProperty(var v: Int)
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fun IntProperty.assign(v: Int): String = "OK"
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data class IntTask(val input: IntProperty)
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val task = IntTask(IntProperty(42))
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<!VAL_REASSIGNMENT!>task.input<!> = <!CONSTANT_EXPECTED_TYPE_MISMATCH!>42<!>
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}
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