53 lines
1.8 KiB
Plaintext
53 lines
1.8 KiB
Plaintext
==== tests/cases/conformance/expressions/typeAssertions/typeAssertions.ts (5 errors) ====
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// Function call whose argument is a 1 arg generic function call with explicit type arguments
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function fn1<T>(t: T) { }
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function fn2(t: any) { }
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fn1(fn2<string>(4)); // Error
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~~~~~~~~~~~~~~
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!!! Supplied parameters do not match any signature of call target.
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var a: any;
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var s: string;
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// Type assertion of non - unary expression
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var a = <any>"" + 4;
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var s = "" + <any>4;
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class SomeBase {
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private p;
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}
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class SomeDerived extends SomeBase {
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private x;
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}
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class SomeOther {
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private q;
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}
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// Type assertion should check for assignability in either direction
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var someBase = new SomeBase();
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var someDerived = new SomeDerived();
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var someOther = new SomeOther();
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someBase = <SomeBase>someDerived;
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someBase = <SomeBase>someBase;
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someBase = <SomeBase>someOther; // Error
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~~~~~~~~~~~~~~~~~~~
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!!! Neither type 'SomeBase' nor type 'SomeOther' is assignable to the other.
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someDerived = <SomeDerived>someDerived;
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someDerived = <SomeDerived>someBase;
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someDerived = <SomeDerived>someOther; // Error
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~~~~~~~~~~~~~~~~~~~~~~
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!!! Neither type 'SomeDerived' nor type 'SomeOther' is assignable to the other.
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someOther = <SomeOther>someDerived; // Error
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~~~~~~~~~~~~~~~~~~~~~~
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!!! Neither type 'SomeOther' nor type 'SomeDerived' is assignable to the other.
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someOther = <SomeOther>someBase; // Error
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~~~~~~~~~~~~~~~~~~~
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!!! Neither type 'SomeOther' nor type 'SomeBase' is assignable to the other.
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someOther = <SomeOther>someOther;
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