browser/devtools/sourceeditor/test/cm_driver.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/browser/devtools/sourceeditor/test/cm_driver.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,138 @@
     1.4 +var tests = [], filters = [], allNames = [];
     1.5 +
     1.6 +function Failure(why) {this.message = why;}
     1.7 +Failure.prototype.toString = function() { return this.message; };
     1.8 +
     1.9 +function indexOf(collection, elt) {
    1.10 +  if (collection.indexOf) return collection.indexOf(elt);
    1.11 +  for (var i = 0, e = collection.length; i < e; ++i)
    1.12 +    if (collection[i] == elt) return i;
    1.13 +  return -1;
    1.14 +}
    1.15 +
    1.16 +function test(name, run, expectedFail) {
    1.17 +  // Force unique names
    1.18 +  var originalName = name;
    1.19 +  var i = 2; // Second function would be NAME_2
    1.20 +  while (indexOf(allNames, name) !== -1){
    1.21 +    name = originalName + "_" + i;
    1.22 +    i++;
    1.23 +  }
    1.24 +  allNames.push(name);
    1.25 +  // Add test
    1.26 +  tests.push({name: name, func: run, expectedFail: expectedFail});
    1.27 +  return name;
    1.28 +}
    1.29 +var namespace = "";
    1.30 +function testCM(name, run, opts, expectedFail) {
    1.31 +  return test(namespace + name, function() {
    1.32 +    var place = document.getElementById("testground"), cm = window.cm = CodeMirror(place, opts);
    1.33 +    var successful = false;
    1.34 +    try {
    1.35 +      run(cm);
    1.36 +      successful = true;
    1.37 +    } finally {
    1.38 +      if (!successful || verbose) {
    1.39 +        place.style.visibility = "visible";
    1.40 +      } else {
    1.41 +        place.removeChild(cm.getWrapperElement());
    1.42 +      }
    1.43 +    }
    1.44 +  }, expectedFail);
    1.45 +}
    1.46 +
    1.47 +function runTests(callback) {
    1.48 +  var totalTime = 0;
    1.49 +  function step(i) {
    1.50 +    for (;;) {
    1.51 +      if (i === tests.length) {
    1.52 +        running = false;
    1.53 +        return callback("done");
    1.54 +      }
    1.55 +      var test = tests[i], skip = false;
    1.56 +      if (filters.length) {
    1.57 +        skip = true;
    1.58 +        for (var j = 0; j < filters.length; j++)
    1.59 +          if (test.name.match(filters[j])) skip = false;
    1.60 +      }
    1.61 +      if (skip) {
    1.62 +        callback("skipped", test.name, message);
    1.63 +        i++;
    1.64 +      } else {
    1.65 +        break;
    1.66 +      }
    1.67 +    }
    1.68 +    var expFail = test.expectedFail, startTime = +new Date, threw = false;
    1.69 +    try {
    1.70 +      var message = test.func();
    1.71 +    } catch(e) {
    1.72 +      threw = true;
    1.73 +      if (expFail) callback("expected", test.name);
    1.74 +      else if (e instanceof Failure) callback("fail", test.name, e.message);
    1.75 +      else {
    1.76 +        var pos = /(?:\bat |@).*?([^\/:]+):(\d+)/.exec(e.stack);
    1.77 +        if (pos) console["log"](e.stack);
    1.78 +        callback("error", test.name, e.toString() + (pos ? " (" + pos[1] + ":" + pos[2] + ")" : ""));
    1.79 +      }
    1.80 +    }
    1.81 +    if (!threw) {
    1.82 +      if (expFail) callback("fail", test.name, message || "expected failure, but succeeded");
    1.83 +      else callback("ok", test.name, message);
    1.84 +    }
    1.85 +    if (!quit) { // Run next test
    1.86 +      var delay = 0;
    1.87 +      totalTime += (+new Date) - startTime;
    1.88 +      if (totalTime > 500){
    1.89 +        totalTime = 0;
    1.90 +        delay = 50;
    1.91 +      }
    1.92 +      setTimeout(function(){step(i + 1);}, delay);
    1.93 +    } else { // Quit tests
    1.94 +      running = false;
    1.95 +      return null;
    1.96 +    }
    1.97 +  }
    1.98 +  step(0);
    1.99 +}
   1.100 +
   1.101 +function label(str, msg) {
   1.102 +  if (msg) return str + " (" + msg + ")";
   1.103 +  return str;
   1.104 +}
   1.105 +function eq(a, b, msg) {
   1.106 +  if (a != b) throw new Failure(label(a + " != " + b, msg));
   1.107 +}
   1.108 +function near(a, b, margin, msg) {
   1.109 +  if (Math.abs(a - b) > margin)
   1.110 +    throw new Failure(label(a + " is not close to " + b + " (" + margin + ")", msg));
   1.111 +}
   1.112 +function eqPos(a, b, msg) {
   1.113 +  function str(p) { return "{line:" + p.line + ",ch:" + p.ch + "}"; }
   1.114 +  if (a == b) return;
   1.115 +  if (a == null) throw new Failure(label("comparing null to " + str(b), msg));
   1.116 +  if (b == null) throw new Failure(label("comparing " + str(a) + " to null", msg));
   1.117 +  if (a.line != b.line || a.ch != b.ch) throw new Failure(label(str(a) + " != " + str(b), msg));
   1.118 +}
   1.119 +function is(a, msg) {
   1.120 +  if (!a) throw new Failure(label("assertion failed", msg));
   1.121 +}
   1.122 +
   1.123 +function countTests() {
   1.124 +  if (!filters.length) return tests.length;
   1.125 +  var sum = 0;
   1.126 +  for (var i = 0; i < tests.length; ++i) {
   1.127 +    var name = tests[i].name;
   1.128 +    for (var j = 0; j < filters.length; j++) {
   1.129 +      if (name.match(filters[j])) {
   1.130 +        ++sum;
   1.131 +        break;
   1.132 +      }
   1.133 +    }
   1.134 +  }
   1.135 +  return sum;
   1.136 +}
   1.137 +
   1.138 +function parseTestFilter(s) {
   1.139 +  if (/_\*$/.test(s)) return new RegExp("^" + s.slice(0, s.length - 2), "i");
   1.140 +  else return new RegExp(s, "i");
   1.141 +}

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