From f7e7dc7101914b8383a08c2ab64e514e9c9fb753 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Sun, 30 Nov 2014 23:21:30 -0800
Subject: [PATCH] Tests for const

---
 .../fourslash/quickInfoDisplayPartsConst.ts   | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 tests/cases/fourslash/quickInfoDisplayPartsConst.ts

diff --git a/tests/cases/fourslash/quickInfoDisplayPartsConst.ts b/tests/cases/fourslash/quickInfoDisplayPartsConst.ts
new file mode 100644
index 0000000000..62295017df
--- /dev/null
+++ b/tests/cases/fourslash/quickInfoDisplayPartsConst.ts
@@ -0,0 +1,83 @@
+/// <reference path='fourslash.ts'/>
+
+////const /*1*/a = 10;
+////function foo() {
+////    const /*2*/b = /*3*/a;
+////    if (b) {
+////        const /*4*/b1 = 10;
+////    }
+////}
+////module m {
+////    const /*5*/c = 10;
+////    export const /*6*/d = 10;
+////    if (c) {
+////        const /*7*/e = 10;
+////    }
+////}
+////const /*8*/f: () => number = () => 10;
+////const /*9*/g = /*10*/f;
+/////*11*/f();
+////const /*12*/h: { (a: string): number; (a: number): string; } = a => a;
+////const /*13*/i = /*14*/h;
+/////*15*/h(10);
+/////*16*/h("hello");
+
+var marker = 0;
+function verifyConst(name: string, typeDisplay: ts.SymbolDisplayPart[], optionalNameDisplay?: ts.SymbolDisplayPart[], optionalKindModifiers?: string) {
+    marker++;
+    goTo.marker(marker.toString());
+    verify.verifyQuickInfoDisplayParts("const", optionalKindModifiers || "", { start: test.markerByName(marker.toString()).position, length: name.length },
+        [{ text: "(", kind: "punctuation" }, { text: "const", 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" }];
+
+verifyConst("a", numberTypeDisplay);
+verifyConst("b", numberTypeDisplay);
+verifyConst("a", numberTypeDisplay);
+verifyConst("b1", numberTypeDisplay);
+verifyConst("c", numberTypeDisplay);
+verifyConst("d", numberTypeDisplay, [{ text: "m", kind: "moduleName" }, { text: ".", kind: "punctuation" }, { text: "d", kind: "localName" }], "export");
+verifyConst("e", numberTypeDisplay);
+
+var functionTypeReturningNumber: ts.SymbolDisplayPart[] = [{ text: "(", kind: "punctuation" }, { text: ")", kind: "punctuation" },
+    { text: " ", kind: "space" }, { text: "=>", kind: "punctuation" }, { text: " ", kind: "space" }, { text: "number", kind: "keyword" }];
+verifyConst("f", functionTypeReturningNumber);
+verifyConst("g", functionTypeReturningNumber);
+verifyConst("f", functionTypeReturningNumber);
+verifyConst("f", 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" });
+
+verifyConst("h", typeLiteralWithOverloadCall);
+verifyConst("i", typeLiteralWithOverloadCall);
+verifyConst("h", 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" }];
+
+verifyConst("h", getFunctionType("number", "string", /*isArrow*/true).concat(overloadDisplay));
+verifyConst("h", getFunctionType("string", "number", /*isArrow*/true).concat(overloadDisplay));
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