59 lines
4.3 KiB
Plaintext
59 lines
4.3 KiB
Plaintext
tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(11,10): error TS2365: Operator '+' cannot be applied to types 'undefined' and 'boolean'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(12,10): error TS2365: Operator '+' cannot be applied to types 'undefined' and 'Object'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(13,10): error TS2365: Operator '+' cannot be applied to types 'undefined' and 'void'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(14,10): error TS2365: Operator '+' cannot be applied to types 'boolean' and 'undefined'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(15,10): error TS2365: Operator '+' cannot be applied to types 'Object' and 'undefined'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(16,10): error TS2365: Operator '+' cannot be applied to types 'undefined' and 'void'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(19,10): error TS2365: Operator '+' cannot be applied to types 'undefined' and 'Number'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(20,10): error TS2365: Operator '+' cannot be applied to types 'undefined' and 'boolean'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(21,10): error TS2365: Operator '+' cannot be applied to types 'undefined' and '{ a: string; }'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(22,11): error TS2365: Operator '+' cannot be applied to types 'undefined' and 'void'.
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tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts(23,11): error TS2365: Operator '+' cannot be applied to types 'undefined' and '() => void'.
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==== tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithUndefinedValueAndInvalidOperands.ts (11 errors) ====
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// If one operand is the null or undefined value, it is treated as having the type of the other operand.
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function foo(): void { return undefined }
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var a: boolean;
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var b: Object;
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var c: void;
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var d: Number;
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// undefined + boolean/Object
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var r1 = undefined + a;
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~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'undefined' and 'boolean'.
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var r2 = undefined + b;
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~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'undefined' and 'Object'.
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var r3 = undefined + c;
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~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'undefined' and 'void'.
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var r4 = a + undefined;
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~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'boolean' and 'undefined'.
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var r5 = b + undefined;
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~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'Object' and 'undefined'.
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var r6 = undefined + c;
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~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'undefined' and 'void'.
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// other cases
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var r7 = undefined + d;
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~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'undefined' and 'Number'.
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var r8 = undefined + true;
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~~~~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'undefined' and 'boolean'.
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var r9 = undefined + { a: '' };
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~~~~~~~~~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'undefined' and '{ a: string; }'.
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var r10 = undefined + foo();
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~~~~~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'undefined' and 'void'.
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var r11 = undefined + (() => { });
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~~~~~~~~~~~~~~~~~~~~~~~
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!!! error TS2365: Operator '+' cannot be applied to types 'undefined' and '() => void'. |