add tests for EXPON.DIST

cell/.unit-tests/FormulaTests.js

@@ -1106,6 +1106,19 @@ $( function () {
 		strictEqual( oParser.calculate().getValue().toFixed(6) - 0, 0.068094, "GAMMADIST(A2,A3,A4,TRUE)" );
 	} );
 
+	test( "Test: \"EXPON.DIST\"", function () {
+		ws.getRange2( "A2" ).setValue( "0.2" );
+		ws.getRange2( "A3" ).setValue( "10" );
+
+		oParser = new parserFormula( "EXPON.DIST(A2,A3,TRUE)", "A1", ws );
+		ok( oParser.parse(), "EXPON.DIST(A2,A3,TRUE)" );
+		strictEqual( oParser.calculate().getValue().toFixed(8) - 0, 0.86466472, "EXPON.DIST(A2,A3,TRUE)" );
+
+		oParser = new parserFormula( "EXPON.DIST(0.2,10,FALSE)", "A1", ws );
+		ok( oParser.parse(), "EXPON.DIST(0.2,10,FALSE)" );
+		strictEqual( oParser.calculate().getValue().toFixed(8) - 0, 1.35335283, "EXPON.DIST(0.2,10,FALSE)" );
+	} );
+
 	test( "Test: \"CHIDIST\"", function () {
 		ws.getRange2( "A2" ).setValue( "18.307" );
 		ws.getRange2( "A3" ).setValue( "10" );

cell/model/FormulaObjects/_xlfnFunctions.js

@@ -58,7 +58,7 @@
 	cFormulaFunctionGroup['Statistical'] = cFormulaFunctionGroup['Statistical'] || [];
 	cFormulaFunctionGroup['Statistical'].push(cBETA_DIST, cBETA_INV, cBINOM_DIST, cBINOM_DIST_RANGE, cBINOM_INV,
 		cCHISQ_DIST, cCHISQ_DIST_RT, cCHISQ_INV, cCHISQ_INV_RT, cCHISQ_TEST, cCONFIDENCE_NORM, cCONFIDENCE_T,
-		cCOVARIANCE_P, cCOVARIANCE_S, cEXPON_DIST, cF_DIST, cF_DIST_RT, cF_INV, cF_INV_RT, cF_TEST, cFORECAST_ETS,
+		cCOVARIANCE_P, cCOVARIANCE_S, cF_DIST, cF_DIST_RT, cF_INV, cF_INV_RT, cF_TEST, cFORECAST_ETS,
 		cFORECAST_ETS_CONFINT, cFORECAST_ETS_SEASONALITY, cFORECAST_ETS_STAT, cFORECAST_LINEAR, cGAMMA, cGAMMA_DIST,
 		cGAMMA_INV, cGAMMALN_PRECISE, cHYPGEOM_DIST, cLOGNORM_DIST, cLOGNORM_INV, cMODE_MULT, cMODE_SNGL,
 		cNEGBINOM_DIST, cNORM_DIST, cNORM_INV, cNORM_S_DIST, cNORM_S_INV, cPERCENTILE_EXC, cPERCENTILE_INC,
@@ -374,18 +374,6 @@
 	cERFC_PRECISE.prototype = Object.create(cBaseFunction.prototype);
 	cERFC_PRECISE.prototype.constructor = cERFC_PRECISE;
 
-	/**
-	 * @constructor
-	 * @extends {AscCommonExcel.cBaseFunction}
-	 */
-	function cEXPON_DIST() {
-		cBaseFunction.call(this, "EXPON.DIST");
-		this.isXLFN = true;
-	}
-
-	cEXPON_DIST.prototype = Object.create(cBaseFunction.prototype);
-	cEXPON_DIST.prototype.constructor = cEXPON_DIST;
-
 	/**
 	 * @constructor
 	 * @extends {AscCommonExcel.cBaseFunction}

cell/model/FormulaObjects/statisticalFunctions.js

@@ -2612,6 +2612,7 @@
 	cEXPON_DIST.prototype.constructor = cEXPON_DIST;
 	cEXPON_DIST.prototype.argumentsMin = 3;
 	cEXPON_DIST.prototype.argumentsMax = 3;
+	cEXPON_DIST.prototype.isXLFN = true;
 	cEXPON_DIST.prototype.Calculate = function (arg) {
 		var oArguments = this._prepareArguments(arg, arguments[1], true);
 		var argClone = oArguments.args;