New Test and Baseline

tests/baselines/reference/classImplementsMergedClassInterface.errors.txt

@@ -0,0 +1,41 @@
+tests/cases/conformance/classes/classDeclarations/classImplementsMergedClassInterface.ts(9,7): error TS2420: Class 'C2' incorrectly implements interface 'C1'.
+  Property 'x' is missing in type 'C2'.
+tests/cases/conformance/classes/classDeclarations/classImplementsMergedClassInterface.ts(12,7): error TS2420: Class 'C3' incorrectly implements interface 'C1'.
+  Property 'y' is missing in type 'C3'.
+tests/cases/conformance/classes/classDeclarations/classImplementsMergedClassInterface.ts(16,7): error TS2420: Class 'C4' incorrectly implements interface 'C1'.
+  Property 'x' is missing in type 'C4'.
+
+
+==== tests/cases/conformance/classes/classDeclarations/classImplementsMergedClassInterface.ts (3 errors) ====
+    declare class C1 {
+        x : number;
+    }
+    
+    interface C1 {
+        y : number;
+    }
+    
+    class C2 implements C1 { // error -- missing x
+          ~~
+!!! error TS2420: Class 'C2' incorrectly implements interface 'C1'.
+!!! error TS2420:   Property 'x' is missing in type 'C2'.
+    }
+    
+    class C3 implements C1 { // error -- missing y
+          ~~
+!!! error TS2420: Class 'C3' incorrectly implements interface 'C1'.
+!!! error TS2420:   Property 'y' is missing in type 'C3'.
+        x : number;
+    }
+    
+    class C4 implements C1 { // error -- missing x
+          ~~
+!!! error TS2420: Class 'C4' incorrectly implements interface 'C1'.
+!!! error TS2420:   Property 'x' is missing in type 'C4'.
+        y : number;
+    }
+    
+    class C5 implements C1 { // okay
+        x : number;
+        y : number;
+    }

tests/baselines/reference/classImplementsMergedClassInterface.js

@@ -0,0 +1,46 @@
+//// [classImplementsMergedClassInterface.ts]
+declare class C1 {
+    x : number;
+}
+
+interface C1 {
+    y : number;
+}
+
+class C2 implements C1 { // error -- missing x
+}
+
+class C3 implements C1 { // error -- missing y
+    x : number;
+}
+
+class C4 implements C1 { // error -- missing x
+    y : number;
+}
+
+class C5 implements C1 { // okay
+    x : number;
+    y : number;
+}
+
+//// [classImplementsMergedClassInterface.js]
+var C2 = (function () {
+    function C2() {
+    }
+    return C2;
+})();
+var C3 = (function () {
+    function C3() {
+    }
+    return C3;
+})();
+var C4 = (function () {
+    function C4() {
+    }
+    return C4;
+})();
+var C5 = (function () {
+    function C5() {
+    }
+    return C5;
+})();

tests/cases/conformance/classes/classDeclarations/classImplementsMergedClassInterface.ts

@@ -0,0 +1,23 @@
+declare class C1 {
+    x : number;
+}
+
+interface C1 {
+    y : number;
+}
+
+class C2 implements C1 { // error -- missing x
+}
+
+class C3 implements C1 { // error -- missing y
+    x : number;
+}
+
+class C4 implements C1 { // error -- missing x
+    y : number;
+}
+
+class C5 implements C1 { // okay
+    x : number;
+    y : number;
+}