1 files changed, 79 insertions, 0 deletions
diff --git a/tools/node_modules/expresso/deps/jscoverage/tests/javascript/javascript-let.js b/tools/node_modules/expresso/deps/jscoverage/tests/javascript/javascript-let.js
new file mode 100644
index 0000000..7bb777b
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+++ b/tools/node_modules/expresso/deps/jscoverage/tests/javascript/javascript-let.js
@@ -0,0 +1,79 @@
+// https://developer.mozilla.org/en/New_in_JavaScript_1.7
+
+// let statement
+
+let (x = x+10, y = 12) {
+  print(x+y + "\n");
+}
+
+// let expressions
+
+print( let(x = x + 10, y = 12) x+y  + "<br>\n");
+
+// let definitions
+
+if (x > y) {
+  let gamma = 12.7 + y;
+  i = gamma * x;
+}
+
+var list = document.getElementById("list");
+
+for (var i = 1; i <= 5; i++) {
+  var item = document.createElement("LI");
+  item.appendChild(document.createTextNode("Item " + i));
+
+  let j = i;
+  item.onclick = function (ev) {
+    alert("Item " + j + " is clicked.");
+  };
+  list.appendChild(item);
+}
+
+function varTest() {
+  var x = 31;
+  if (true) {
+    var x = 71;  // same variable!
+    alert(x);  // 71
+  }
+  alert(x);  // 71
+}
+
+function letTest() {
+  let x = 31;
+  if (true) {
+    let x = 71;  // different variable
+    alert(x);  // 71
+  }
+  alert(x);  // 31
+}
+
+function letTests() {
+  let x = 10;
+
+  // let-statement
+  let (x = x + 20) {
+    alert(x);  // 30
+  }
+
+  // let-expression
+  alert(let (x = x + 20) x);  // 30
+
+  // let-definition
+  {
+    let x = x + 20;  // x here evaluates to undefined
+    alert(x);  // undefined + 20 ==> NaN
+  }
+}
+
+var x = 'global';
+let x = 42;
+document.write(this.x + "<br>\n");
+
+// let-scoped variables in for loops
+var i=0;
+for ( let i=i ; i < 10 ; i++ )
+  document.write(i + "<br>\n");
+
+for ( let [name,value] in obj )
+  document.write("Name: " + name + ", Value: " + value + "<br>\n");