v8/test/mjsunit/tools/profviz.js

// Copyright 2009 the V8 project authors. All rights reserved.
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//
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// Load implementations from <project root>/tools.
// Files: tools/csvparser.js tools/splaytree.js tools/codemap.js
// Files: tools/consarray.js tools/profile.js tools/profile_view.js
// Files: tools/logreader.js tools/tickprocessor.js
// Files: tools/profviz/composer.js
// Env: TEST_FILE_NAME

assertEquals('string', typeof TEST_FILE_NAME);
var path_length = TEST_FILE_NAME.lastIndexOf('/');
if (path_length == -1) {
  path_length = TEST_FILE_NAME.lastIndexOf('\\');
}
assertTrue(path_length != -1);

var path = TEST_FILE_NAME.substr(0, path_length + 1);
var input_file = path + "profviz-test.log";
var reference_file = path + "profviz-test.default";

var content_lines = read(input_file).split("\n");
var line_cursor = 0;
var output_lines = [];

function input() {
  return content_lines[line_cursor++];
}

function output(line) {
  output_lines.push(line);
}

function set_range(start, end) {
  range_start = start;
  range_end = end;
}

var distortion = 4500 / 1000000;
var resx = 1600;
var resy = 600;

var psc = new PlotScriptComposer(resx, resy);
psc.collectData(input, distortion);
psc.findPlotRange(undefined, undefined, set_range);
var objects = psc.assembleOutput(output);

output("# start: " + range_start);
output("# end: " + range_end);
output("# objects: " + objects);

var create_baseline = false;

if (create_baseline) {
  print(JSON.stringify(output_lines, null, 2));
} else {
  assertArrayEquals(JSON.parse(read(reference_file)), output_lines);
}