89 lines
4.4 KiB
Plaintext
89 lines
4.4 KiB
Plaintext
==== tests/cases/conformance/expressions/binaryOperators/instanceofOperator/instanceofOperatorWithInvalidOperands.ts (21 errors) ====
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class C {
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foo() { }
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}
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var x: any;
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// invalid left operand
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// the left operand is required to be of type Any, an object type, or a type parameter type
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var a1: number;
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var a2: boolean;
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var a3: string;
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var a4: void;
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var ra1 = a1 instanceof x;
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~~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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var ra2 = a2 instanceof x;
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~~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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var ra3 = a3 instanceof x;
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~~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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var ra4 = a4 instanceof x;
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~~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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var ra5 = 0 instanceof x;
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~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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var ra6 = true instanceof x;
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~~~~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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var ra7 = '' instanceof x;
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~~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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var ra8 = null instanceof x;
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~~~~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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var ra9 = undefined instanceof x;
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~~~~~~~~~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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// invalid right operand
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// the right operand to be of type Any or a subtype of the 'Function' interface type
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var b1: number;
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var b2: boolean;
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var b3: string;
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var b4: void;
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var o1: {};
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var o2: Object;
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var o3: C;
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var rb1 = x instanceof b1;
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~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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var rb2 = x instanceof b2;
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~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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var rb3 = x instanceof b3;
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~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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var rb4 = x instanceof b4;
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~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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var rb5 = x instanceof 0;
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~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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var rb6 = x instanceof true;
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~~~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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var rb7 = x instanceof '';
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~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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var rb8 = x instanceof o1;
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~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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var rb9 = x instanceof o2;
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~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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var rb10 = x instanceof o3;
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~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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// both operands are invalid
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var rc1 = '' instanceof {};
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~~
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!!! The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
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~~
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!!! The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type. |