third_party/WebKit/ManualTests/inspector/console-log-formatting.html

   1 <script>
   2     var s = "this is a string";
   3     var i = 5;
   4     var ni = -5;
   5     var f = 3.14159;
   6     var o = { prop1: 1, prop2: 2 };
   7     var specifiers = {
   8         s: "string",
   9         i: "integer",
  10         d: "integer",
  11         f: "float",
  12         "0.3f": "float with precision",
  13         o: "object",
  14         z: "unsupported",
  15     };
  16
  17     function test(args) {
  18         var functions = ["log", "debug"];
  19         for (var i = 0; i < functions.length; ++i) {
  20             console.info("console." + functions[i] + "(%s)", args);
  21             try {
  22                 eval("console." + functions[i] + "(" + args + ")");
  23             } catch (e) {
  24                 console.error(e);
  25             }
  26         }
  27     }
  28
  29     function testAllSpecifiers(value, description) {
  30         for (var specifier in specifiers)
  31             test("'Format " + description + " as " + specifiers[specifier] + ": %" + specifier + "', " + value + "");
  32     }
  33
  34     function runTests() {
  35         var values = [
  36             { value: "window.noSuchVariable", description: "undefined" },
  37             { value: "s", description: "string" },
  38             { value: "i", description: "positive integer" },
  39             { value: "ni", description: "negative integer" },
  40             { value: "f", description: "float" },
  41             { value: "o", description: "object" },
  42             { value: "document.body", description: "body" },
  43             { value: "/test/", description: "RegExp" },
  44             { value: "true", description: "boolean" },
  45             { value: "null", description: "null" },
  46         ];
  47
  48         for (var i = 0; i < values.length; ++i)
  49             testAllSpecifiers(values[i].value, values[i].description);
  50
  51         var tests = [
  52             "'simple test'",
  53             "'multiple', 'parameters', 'should', 'be', 'concatenated'",
  54             "document",
  55             "document, document.body, window, window.location",
  56             "document, document.body, 'hello', 'goodbye', window.location",
  57             "'Format string with fewer specifiers than parameters: %o %i %f', document.body, i, f, ni, o",
  58             "'Format string with more specifiers than parameters: %o %i %f %i %o', document.body, i, f",
  59         ];
  60
  61         for (var i = 0; i < tests.length; ++i)
  62             test(tests[i]);
  63
  64     }
  65 </script>
  66 <p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=17228">Bug 17228: console.{log,warn,info,error} should support format strings, variable arguments</a>.</p>
  67 <p>Open the Inspector (right-click and choose "Inspect Element"), then click the "Run Tests" button.</p>
  68 <button onclick="runTests()">Run Tests</button>