29 lines
948 B
TypeScript
29 lines
948 B
TypeScript
/// <reference path="fourslash.ts"/>
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////var x = [1, 2, 3];
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////x./*1*/concat([4]);
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////x./*2*/foo/*3*/()./*6*/toExponential/*7*/(2);
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////x./*4*/foo/*5*/()./*8*/charAt/*9*/(0);
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////
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verify.completions({ marker: "1", includes: "concat" });
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// foo doesn't exist, so both references should be in error
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verify.errorExistsBetweenMarkers("2", "3");
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verify.errorExistsBetweenMarkers("4", "5");
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// Extend interface to contain foo returning type T
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goTo.eof();
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edit.insertLine("interface Array<T> { foo(): T; }");
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// References to foo should now not be in error
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verify.not.errorExistsBetweenMarkers("2", "3");
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verify.not.errorExistsBetweenMarkers("4", "5");
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// Resulting type should be a number, so toExponential should be valid, charAt should not
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verify.not.errorExistsBetweenMarkers("6", "7");
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verify.errorExistsBetweenMarkers("8", "9");
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// Should only be the one error in the file
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verify.numberOfErrorsInCurrentFile(1); |