79 lines
2.7 KiB
Plaintext
79 lines
2.7 KiB
Plaintext
==== tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithInvalidOperands.ts (19 errors) ====
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function foo() { }
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class C {
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public a: string;
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static foo() { }
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}
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enum E { a, b, c }
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module M { export var a }
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var a: boolean;
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var b: number;
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var c: Object;
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var d: Number;
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// boolean + every type except any and string
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var r1 = a + a;
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~~~~~
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!!! Operator '+' cannot be applied to types 'boolean' and 'boolean'.
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var r2 = a + b;
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~~~~~
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!!! Operator '+' cannot be applied to types 'boolean' and 'number'.
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var r3 = a + c;
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~~~~~
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!!! Operator '+' cannot be applied to types 'boolean' and 'Object'.
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// number + every type except any and string
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var r4 = b + a;
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~~~~~
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!!! Operator '+' cannot be applied to types 'number' and 'boolean'.
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var r5 = b + b; // number + number is valid
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var r6 = b + c;
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~~~~~
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!!! Operator '+' cannot be applied to types 'number' and 'Object'.
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// object + every type except any and string
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var r7 = c + a;
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~~~~~
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!!! Operator '+' cannot be applied to types 'Object' and 'boolean'.
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var r8 = c + b;
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~~~~~
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!!! Operator '+' cannot be applied to types 'Object' and 'number'.
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var r9 = c + c;
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~~~~~
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!!! Operator '+' cannot be applied to types 'Object' and 'Object'.
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// other cases
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var r10 = a + true;
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~~~~~~~~
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!!! Operator '+' cannot be applied to types 'boolean' and 'boolean'.
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var r11 = true + false;
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~~~~~~~~~~~~
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!!! Operator '+' cannot be applied to types 'boolean' and 'boolean'.
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var r12 = true + 123;
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~~~~~~~~~~
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!!! Operator '+' cannot be applied to types 'boolean' and 'number'.
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var r13 = {} + {};
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~~~~~~~
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!!! Operator '+' cannot be applied to types '{}' and '{}'.
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var r14 = b + d;
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~~~~~
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!!! Operator '+' cannot be applied to types 'number' and 'Number'.
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var r15 = b + foo;
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~~~~~~~
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!!! Operator '+' cannot be applied to types 'number' and '() => void'.
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var r16 = b + foo();
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~~~~~~~~~
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!!! Operator '+' cannot be applied to types 'number' and 'void'.
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var r17 = b + C;
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~~~~~
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!!! Operator '+' cannot be applied to types 'number' and 'typeof C'.
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var r18 = E.a + new C();
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~~~~~~~~~~~~~
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!!! Operator '+' cannot be applied to types 'E' and 'C'.
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var r19 = E.a + C.foo();
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~~~~~~~~~~~~~
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!!! Operator '+' cannot be applied to types 'E' and 'void'.
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var r20 = E.a + M;
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~~~~~~~
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!!! Operator '+' cannot be applied to types 'E' and 'typeof M'. |