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e31b915f54
Emitting an error message about a pattern the user didn't write isn't awesome, complain about the type requirements of an if/let binding specifically. Swift SVN r28119
57 lines
2.3 KiB
Swift
57 lines
2.3 KiB
Swift
// RUN: %target-parse-verify-swift
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// REQUIRES: objc_interop
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import Foundation
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import CoreGraphics
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var roomName : String? = nil
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if let realRoomName = roomName as! NSString { // expected-error {{initializer for conditional binding must have Optional type, not 'NSString'}} expected-warning {{cast from 'String?' to unrelated type 'NSString' always fails}}
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}
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var pi = 3.14159265358979
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var d: CGFloat = 2.0
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var dpi:CGFloat = d*pi // expected-error{{binary operator '*' cannot be applied to operands of type 'CGFloat' and 'Double'}}
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let ff: CGFloat = floorf(20.0) // expected-error{{'Float' is not convertible to 'CGFloat'}}
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let total = 15.0
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let count = 7
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let median = total / count // expected-error {{binary operator '/' cannot be applied to operands of type 'Double' and 'Int'}} expected-note {{overloads for '/' exist with these partially matching parameter lists: (Int, Int), (Double, Double)}}
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if (1) {} // expected-error{{'Int' is not convertible to 'BooleanType'}}
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var a: [String] = [1] // expected-error{{'[Int]' is not convertible to '[String]'}}
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var b: Int = [1, 2, 3] // expected-error{{'[Int]' is not convertible to 'Int'}}
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var f1: Float = 2.0
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var f2: Float = 3.0
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var dd: Double = f1 - f2 // expected-error{{'Float' is not convertible to 'Double'}}
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func f() -> Bool {
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return 1 + 1 // expected-error{{'Int' is not convertible to 'Bool'}}
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}
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// Test that nested diagnostics are properly surfaced.
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func takesInt(i: Int) {}
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func noParams() -> Int { return 0 }
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func takesAndReturnsInt(i: Int) -> Int { return 0 }
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takesInt(noParams(1)) // expected-error{{cannot invoke 'noParams' with an argument list of type '(Int)'}}
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takesInt(takesAndReturnsInt("")) // expected-error{{cannot invoke 'takesAndReturnsInt' with an argument list of type '(String)'}} expected-note{{expected an argument list of type '(Int)'}}
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// Test error recovery for type expressions.
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class A {
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var a: Array<Int>
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init() {
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a = Array<Int // expected-error{{argument for generic parameter 'T' could not be inferred}}
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// expected-error@-1 5{{expected member name or constructor call after type name}}
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// expected-note@-2 5{{add arguments after the type to construct a value of the type}}
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// expected-note@-3 5{{use '.self' to reference the type object}}
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}
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}
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func retV() { return true } // expected-error {{unexpected non-void return value in void function}}
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