33 lines
1.5 KiB
Plaintext
33 lines
1.5 KiB
Plaintext
==== tests/cases/conformance/expressions/unaryOperators/negateOperator/negateOperatorInvalidOperations.ts (10 errors) ====
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// Unary operator -
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// operand before -
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var NUMBER1 = var NUMBER-; //expect error
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~~~
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!!! error TS1109: Expression expected.
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~
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!!! error TS1005: '=' expected.
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~
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!!! error TS1109: Expression expected.
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// invalid expressions
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var NUMBER2 = -(null - undefined);
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~~~~
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!!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
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~~~~~~~~~
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!!! error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
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var NUMBER3 = -(null - null);
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~~~~
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!!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
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~~~~
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!!! error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
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var NUMBER4 = -(undefined - undefined);
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~~~~~~~~~
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!!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
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~~~~~~~~~
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!!! error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
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// miss operand
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var NUMBER =-;
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~
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!!! error TS1109: Expression expected. |