Added a tool to help analyze our coverage of ES5.

tools/CoverageAnalyzer.py

+# Copyright (c) 2009 Microsoft Corporation 
+# 
+# Redistribution and use in source and binary forms, with or without modification, are permitted provided
+# that the following conditions are met: 
+#    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+#      the following disclaimer. 
+#    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+#      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+#    * Neither the name of Microsoft nor the names of its contributors may be used to
+#      endorse or promote products derived from this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+
+#--IMPORTS---------------------------------------------------------------------
+import os
+import sys
+
+#--GLOBALS---------------------------------------------------------------------
+CVG_DICT = {}
+
+#--HELPERS---------------------------------------------------------------------
+def getCoverageData(directory):
+  tempList = os.listdir(directory)
+  #Build up a list of directories under directory
+  dirList = [x for x in tempList if os.path.isdir(os.path.join(directory, x))]
+  #Build up a list of JavaScript files under the current directory
+  jsList = [x for xin in tempList if x.endswith(".js")]
+  
+  #If the directory contains JavaScript files we'll assume they're all test 
+  #cases
+  if len(jsList)!=0:
+    CVG_DICT[os.path.split(directory)[1]] = len(jsList)
+  
+  #This might have just been a directory containing other dirs. Call ourself on 
+  #it as well
+  for x in dirList:
+    getCoverageData(os.path.join(directory, x))
+
+
+def emitCoverageData(cvgDict):
+  totalTests = 0
+  totalSections = 0
+  keyList = cvgDict.keys()
+  keyList.sort(chapterCompare)
+  for cvgKey in keyList:
+    print cvgKey, ",", cvgDict[cvgKey]
+    totalSections+=1
+    totalTests+=cvgDict[cvgKey]
+  print
+  print "Total number of tests is:", totalTests, "."
+  print "These tests cover", totalSections, "ECMAScript 5 sections."
+
+
+def chapterCompare(x, y):
+  if ("." in x) and ("." in y):
+    try:
+      x1 = int(x[0:x.index(".")])
+      y1 = int(y[0:y.index(".")])
+      if x1==y1:
+        return chapterCompare(x[x.index(".")+1:], y[y.index(".")+1:])
+      return cmp(x1, y1)
+    except ValueError:
+      pass
+  return cmp(x, y)
+
+#--MAIN------------------------------------------------------------------------
+startDir = sys.argv[1]
+getCoverageData(startDir)
+print "Emitting ECMAScript 5 coverage data for", startDir, "..."
+emitCoverageData(CVG_DICT)
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