diff --git a/tests/cases/fourslash/quickInfoDisplayPartsVar.ts b/tests/cases/fourslash/quickInfoDisplayPartsVar.ts new file mode 100644 index 00000000000..56ccceb3ab3 --- /dev/null +++ b/tests/cases/fourslash/quickInfoDisplayPartsVar.ts @@ -0,0 +1,76 @@ +/// + +////var /*1*/a = 10; +////function foo() { +//// var /*2*/b = /*3*/a; +////} +////module m { +//// var /*4*/c = 10; +//// export var /*5*/d = 10; +////} +////var /*6*/f: () => number; +////var /*7*/g = /*8*/f; +/////*9*/f(); +////var /*10*/h: { (a: string): number; (a: number): string; }; +////var /*11*/i = /*12*/h; +/////*13*/h(10); +/////*14*/h("hello"); + +var marker = 0; +function verifyVar(name: string, isLocal: boolean, typeDisplay: ts.SymbolDisplayPart[], optionalNameDisplay?: ts.SymbolDisplayPart[], optionalKindModifiers?: string) { + marker++; + goTo.marker(marker.toString()); + var kind = isLocal ? "local var" : "var"; + verify.verifyQuickInfoDisplayParts(kind, optionalKindModifiers || "", { start: test.markerByName(marker.toString()).position, length: name.length }, + [{ text: "(", kind: "punctuation" }, { text: kind, kind: "text" }, { text: ")", kind: "punctuation" }, + { text: " ", kind: "space" }].concat(optionalNameDisplay || [{ text: name, kind: "localName" }]).concat( + { text: ":", kind: "punctuation" }, { text: " ", kind: "space" }).concat(typeDisplay), + []); +} + +var numberTypeDisplay: ts.SymbolDisplayPart[] = [{ text: "number", kind: "keyword" }]; + +verifyVar("a", /*isLocal*/false, numberTypeDisplay); +verifyVar("b", /*isLocal*/true, numberTypeDisplay); +verifyVar("a", /*isLocal*/false, numberTypeDisplay); +verifyVar("c", /*isLocal*/false, numberTypeDisplay); +verifyVar("d", /*isLocal*/false, numberTypeDisplay, [{ text: "m", kind: "moduleName" }, { text: ".", kind: "punctuation" }, { text: "d", kind: "localName" }], "export"); + +var functionTypeReturningNumber: ts.SymbolDisplayPart[] = [{ text: "(", kind: "punctuation" }, { text: ")", kind: "punctuation" }, + { text: " ", kind: "space" }, { text: "=>", kind: "punctuation" }, { text: " ", kind: "space" }, { text: "number", kind: "keyword" }]; +verifyVar("f", /*isLocal*/ false, functionTypeReturningNumber); +verifyVar("g", /*isLocal*/ false, functionTypeReturningNumber); +verifyVar("f", /*isLocal*/ false, functionTypeReturningNumber); +verifyVar("f", /*isLocal*/ false, functionTypeReturningNumber); + + +function getFunctionType(parametertype: string, returnType: string, isArrow?: boolean): ts.SymbolDisplayPart[] { + var functionTypeDisplay = [{ text: "(", kind: "punctuation" }, { text: "a", kind: "parameterName" }, { text: ":", kind: "punctuation" }, + { text: " ", kind: "space" }, { text: parametertype, kind: "keyword" }, { text: ")", kind: "punctuation" }]; + + if (isArrow) { + functionTypeDisplay = functionTypeDisplay.concat({ text: " ", kind: "space" }, { text: "=>", kind: "punctuation" }); + } + else { + functionTypeDisplay = functionTypeDisplay.concat({ text: ":", kind: "punctuation" }); + } + + return functionTypeDisplay.concat({ text: " ", kind: "space" }, { text: returnType, kind: "keyword" }); +} + +var typeLiteralWithOverloadCall: ts.SymbolDisplayPart[] = [{ text: "{", kind: "punctuation" }, { text: "\n", kind: "lineBreak" }, + { text: " ", kind: "space" }].concat(getFunctionType("string", "number")).concat( + { text: ";", kind: "punctuation" }, { text: "\n", kind: "lineBreak" }, + { text: " ", kind: "space" }).concat(getFunctionType("number", "string")).concat( + { text: ";", kind: "punctuation" }, { text: "\n", kind: "lineBreak" }, { text: "}", kind: "punctuation" }); + +verifyVar("h", /*isLocal*/ false, typeLiteralWithOverloadCall); +verifyVar("i", /*isLocal*/ false, typeLiteralWithOverloadCall); +verifyVar("h", /*isLocal*/ false, typeLiteralWithOverloadCall); + +var overloadDisplay: ts.SymbolDisplayPart[] = [{ text: " ", kind: "space" }, { text: "(", kind: "punctuation" }, + { text: "+", kind: "operator" }, { text: "1", kind: "numericLiteral" }, + { text: " ", kind: "space" }, { text: "overload", kind: "text" }, { text: ")", kind: "punctuation" }]; + +verifyVar("h", /*isLocal*/ false, getFunctionType("number", "string", /*isArrow*/true).concat(overloadDisplay)); +verifyVar("h", /*isLocal*/ false, getFunctionType("string", "number", /*isArrow*/true).concat(overloadDisplay)); \ No newline at end of file