diff core-javascript/javascript-exercises/function-exercises.js @ 191:74fc8108fef2 javascript-exercises

$ python py/remove_answers.py
author jf3243
date Mon, 21 Nov 2011 16:50:01 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core-javascript/javascript-exercises/function-exercises.js	Mon Nov 21 16:50:01 2011 +0000
@@ -0,0 +1,62 @@
+var something = null;
+
+TEST('return value', function()
+{
+    var fn_1 = function(){
+    };
+
+    assert( fn_1() === something );
+
+    var fn_2 = function(){
+        // Please write your answer here.
+    };
+
+    assert( fn_2() === 42 );
+});
+
+
+TEST('parameters', function()
+{
+    var something = null;
+
+    var fn = function(a, b, c){
+        // Please write your answer here.
+    };
+
+    assert( fn(1, 2, 3) === 2 );
+    assert( fn(4, 5, 6) === 5 );
+
+    assert( fn(7, 8) === something );
+
+    assert( fn(9, 10, 11, 12) === something );
+
+    assert( fn(13) === something );
+
+    assert( fn() === something );
+});
+
+
+TEST('arguments', function()
+{
+    var something = null;
+
+    // 1
+    var fn_1 = function(){
+        return arguments.length;
+    };
+
+    assert( fn_1() === 0 );
+    assert( fn_1(0) === something );
+    assert( fn_1(0, 0) === something );
+    assert( fn_1(0, 0, 0) === something );
+
+
+    // 2
+    var fn_2 = function(i){
+        return arguments[i];
+    };
+
+    assert( fn_2(0) === something );
+    assert( fn_2(1, 1, 2) === something );
+    assert( fn_2(2, 10, 11) === something );
+});