Iterator tests

tests/baselines/reference/for-of14.errors.txt

@@ -0,0 +1,14 @@
+tests/cases/conformance/es6/for-ofStatements/for-of14.ts(2,11): error TS2488: The right-hand side of a 'for...of' statement must have a '[Symbol.iterator]()' method that returns an iterator.
+
+
+==== tests/cases/conformance/es6/for-ofStatements/for-of14.ts (1 errors) ====
+    var v: string;
+    for (v of new StringIterator) { } // Should fail because the iterator is not iterable
+              ~~~~~~~~~~~~~~~~~~
+!!! error TS2488: The right-hand side of a 'for...of' statement must have a '[Symbol.iterator]()' method that returns an iterator.
+    
+    class StringIterator {
+        next() {
+            return "";
+        }
+    }

tests/baselines/reference/for-of14.js

@@ -0,0 +1,21 @@
+//// [for-of14.ts]
+var v: string;
+for (v of new StringIterator) { } // Should fail because the iterator is not iterable
+
+class StringIterator {
+    next() {
+        return "";
+    }
+}
+
+//// [for-of14.js]
+var v;
+for (v of new StringIterator) { } // Should fail because the iterator is not iterable
+var StringIterator = (function () {
+    function StringIterator() {
+    }
+    StringIterator.prototype.next = function () {
+        return "";
+    };
+    return StringIterator;
+})();

tests/baselines/reference/for-of15.errors.txt

@@ -0,0 +1,17 @@
+tests/cases/conformance/es6/for-ofStatements/for-of15.ts(2,11): error TS2490: The object returned by the next method of the iterator must have a 'value' property.
+
+
+==== tests/cases/conformance/es6/for-ofStatements/for-of15.ts (1 errors) ====
+    var v: string;
+    for (v of new StringIterator) { } // Should fail
+              ~~~~~~~~~~~~~~~~~~
+!!! error TS2490: The object returned by the next method of the iterator must have a 'value' property.
+    
+    class StringIterator {
+        next() {
+            return "";
+        }
+        [Symbol.iterator]() {
+            return this;
+        }
+    }

tests/baselines/reference/for-of15.js

@@ -0,0 +1,27 @@
+//// [for-of15.ts]
+var v: string;
+for (v of new StringIterator) { } // Should fail
+
+class StringIterator {
+    next() {
+        return "";
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [for-of15.js]
+var v;
+for (v of new StringIterator) { } // Should fail
+var StringIterator = (function () {
+    function StringIterator() {
+    }
+    StringIterator.prototype.next = function () {
+        return "";
+    };
+    StringIterator.prototype[Symbol.iterator] = function () {
+        return this;
+    };
+    return StringIterator;
+})();

tests/baselines/reference/for-of16.errors.txt

@@ -0,0 +1,14 @@
+tests/cases/conformance/es6/for-ofStatements/for-of16.ts(2,11): error TS2489: The iterator returned by the right-hand side of a 'for...of' statement must have a 'next()' method.
+
+
+==== tests/cases/conformance/es6/for-ofStatements/for-of16.ts (1 errors) ====
+    var v: string;
+    for (v of new StringIterator) { } // Should fail
+              ~~~~~~~~~~~~~~~~~~
+!!! error TS2489: The iterator returned by the right-hand side of a 'for...of' statement must have a 'next()' method.
+    
+    class StringIterator {
+        [Symbol.iterator]() {
+            return this;
+        }
+    }

tests/baselines/reference/for-of16.js

@@ -0,0 +1,21 @@
+//// [for-of16.ts]
+var v: string;
+for (v of new StringIterator) { } // Should fail
+
+class StringIterator {
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [for-of16.js]
+var v;
+for (v of new StringIterator) { } // Should fail
+var StringIterator = (function () {
+    function StringIterator() {
+    }
+    StringIterator.prototype[Symbol.iterator] = function () {
+        return this;
+    };
+    return StringIterator;
+})();

tests/baselines/reference/for-of17.errors.txt

@@ -0,0 +1,20 @@
+tests/cases/conformance/es6/for-ofStatements/for-of17.ts(2,6): error TS2322: Type 'number' is not assignable to type 'string'.
+
+
+==== tests/cases/conformance/es6/for-ofStatements/for-of17.ts (1 errors) ====
+    var v: string;
+    for (v of new NumberIterator) { } // Should succeed
+         ~
+!!! error TS2322: Type 'number' is not assignable to type 'string'.
+    
+    class NumberIterator {
+        next() {
+            return {
+                value: 0,
+                done: false
+            };
+        }
+        [Symbol.iterator]() {
+            return this;
+        }
+    }

tests/baselines/reference/for-of17.js

@@ -0,0 +1,33 @@
+//// [for-of17.ts]
+var v: string;
+for (v of new NumberIterator) { } // Should succeed
+
+class NumberIterator {
+    next() {
+        return {
+            value: 0,
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [for-of17.js]
+var v;
+for (v of new NumberIterator) { } // Should succeed
+var NumberIterator = (function () {
+    function NumberIterator() {
+    }
+    NumberIterator.prototype.next = function () {
+        return {
+            value: 0,
+            done: false
+        };
+    };
+    NumberIterator.prototype[Symbol.iterator] = function () {
+        return this;
+    };
+    return NumberIterator;
+})();

tests/baselines/reference/for-of18.js

@@ -0,0 +1,33 @@
+//// [for-of18.ts]
+var v: string;
+for (v of new StringIterator) { } // Should succeed
+
+class StringIterator {
+    next() {
+        return {
+            value: "",
+            done: false
+        };
+    }
+    [Symbol.iterator]() {
+        return this;
+    }
+}
+
+//// [for-of18.js]
+var v;
+for (v of new StringIterator) { } // Should succeed
+var StringIterator = (function () {
+    function StringIterator() {
+    }
+    StringIterator.prototype.next = function () {
+        return {
+            value: "",
+            done: false
+        };
+    };
+    StringIterator.prototype[Symbol.iterator] = function () {
+        return this;
+    };
+    return StringIterator;
+})();

tests/baselines/reference/for-of18.types

@@ -0,0 +1,35 @@
+=== tests/cases/conformance/es6/for-ofStatements/for-of18.ts ===
+var v: string;
+>v : string
+
+for (v of new StringIterator) { } // Should succeed
+>v : string
+>new StringIterator : StringIterator
+>StringIterator : typeof StringIterator
+
+class StringIterator {
+>StringIterator : StringIterator
+
+    next() {
+>next : () => { value: string; done: boolean; }
+
+        return {
+>{            value: "",            done: false        } : { value: string; done: boolean; }
+
+            value: "",
+>value : string
+
+            done: false
+>done : boolean
+
+        };
+    }
+    [Symbol.iterator]() {
+>Symbol.iterator : symbol
+>Symbol : SymbolConstructor
+>iterator : symbol
+
+        return this;
+>this : StringIterator
+    }
+}

tests/cases/conformance/es6/for-ofStatements/for-of14.ts

@@ -2,7 +2,7 @@
 var v: string;
 for (v of new StringIterator) { } // Should fail because the iterator is not iterable
 
-class StringIterator implements Iterator<string> {
+class StringIterator {
     next() {
         return "";
     }

tests/cases/conformance/es6/for-ofStatements/for-of15.ts

@@ -1,8 +1,8 @@
 //@target: ES6
 var v: string;
-for (v of new StringIterator) { } // Should succeed
+for (v of new StringIterator) { } // Should fail
 
-class StringIterator implements Iterator<string> {
+class StringIterator {
     next() {
         return "";
     }

tests/cases/conformance/es6/for-ofStatements/for-of16.ts

@@ -1,11 +1,8 @@
 //@target: ES6
 var v: string;
-for (v of (new StringIterator)[Symbol.iterator]()) { } // Should succeed
+for (v of new StringIterator) { } // Should fail
 
-class StringIterator implements Iterator<string> {
-    next() {
-        return "";
-    }
+class StringIterator {
     [Symbol.iterator]() {
         return this;
     }

tests/cases/conformance/es6/for-ofStatements/for-of17.ts

@@ -1,10 +1,13 @@
 //@target: ES6
-var v: number;
-for (v of (new NumberIterator)[Symbol.iterator]().next()) { } // Should fail
+var v: string;
+for (v of new NumberIterator) { } // Should succeed
 
 class NumberIterator {
     next() {
-        return 0;
+        return {
+            value: 0,
+            done: false
+        };
     }
     [Symbol.iterator]() {
         return this;

tests/cases/conformance/es6/for-ofStatements/for-of18.ts

@@ -1,6 +1,6 @@
 //@target: ES6
 var v: string;
-for (v of (new StringIterator)[Symbol.iterator]().next()) { } // Should succeed
+for (v of new StringIterator) { } // Should succeed
 
 class StringIterator {
     next() {

tests/cases/conformance/es6/for-ofStatements/for-of19.ts

@@ -1,15 +0,0 @@
-//@target: ES6
-var v: string;
-for (v of (new StringIterator)[Symbol.iterator]().next()) { } // Should fail
-
-class StringIterator {
-    next() {
-        return {
-            value: 0,
-            done: false
-        };
-    }
-    [Symbol.iterator]() {
-        return this;
-    }
-}