simple perf testing harness with JSON parsing tests

- all tests should be under perf/
- all payloads should be under perf/data
- run tests with ./server.sh + ./test-perf.sh

We still lack a way to compare results against a baseline, but
this is better than nothing.

1 files changed, 49 insertions, 0 deletions

diff --git a/perf/data/jsonParserPayload.rb b/perf/data/jsonParserPayload.rb
new file mode 100644
index 00000000..48079198
--- /dev/null
+++ b/perf/data/jsonParserPayload.rb
@@ -0,0 +1,49 @@
+def generate_object(f, objName, iterations)
+  f.write("var #{objName}='[");
+ 
+  iterations.times do |i| 
+    f.write('{')
+
+    f.write('"simpleStringProperty":')     #23
+    f.write('"some string value ' + ('%07d' % i) + '"')  #27
+    f.write(',')
+    
+    f.write('"stringWithQuotes":')         #19
+    f.write('"some string with \\\\"quotes\\\\" ' + ('%07d' % i) + '"')  #36
+    f.write(',')
+ 
+    f.write('"stringWithUnicode":')
+    f.write('"short string with \\u1234 unicode \\u2345 chars ' +  ('%07d' % i) + '"')
+    f.write(',')
+
+    f.write('"aNumber":')  #10
+    f.write(i)  #?
+    f.write(',')
+   
+    f.write('"smallArray":')
+    f.write('["a",23,"b",42,' + i.to_s + ']')
+    f.write(',')
+
+    f.write('"smallObj":')
+    f.write('{"foo":"bar","baz":543,"num":' + i.to_s + ',"fuz":"fuz buz huz duz ' + i.to_s + '"}')
+    f.write(',')
+
+    f.write('"timeStamp":')
+    f.write('"2010-12-22T04:58:01.' + ("%03d" % (i%1000)) + '"')
+
+    f.write('},')
+  end
+
+  f.write('"just a padding string"]\';' + "\n\n");
+end
+
+file_path = File.join(File.dirname(__FILE__), 'jsonParserPayload.js')
+
+File.open(file_path, 'w') do |f|
+  generate_object(f, 'superTinyJsonString', 1)  #~300b
+  generate_object(f, 'tinyJsonString', 3)       #~1kb
+  generate_object(f, 'smallJsonString', 30)     #~10kb
+  generate_object(f, 'mediumJsonString', 600)   #~200kb
+  generate_object(f, 'largeJsonString', 2000)   #~650kb
+end
+