2014-07-13 01:04:16 +02:00
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/// <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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goTo.marker("1");
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2016-12-07 22:36:11 +01:00
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verify.completionListContains("concat");
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2014-07-13 01:04:16 +02:00
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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);
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