test: improve error message in test-tick-processor

Provide additional information about values that indicate test failed. PR-URL: #7693 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Brian White <mscdex@mscdex.net>
nodejs · Oct 26, 2016 · 97c68ddaad19c3e87d579caa8606f30e8454059f · 97c68dd
1 parent 7766997
commit 97c68ddaad19c3e87d579caa8606f30e8454059f
Showing with 6 additions and 6 deletions.

+6 −6 test/parallel/test-tick-processor.js
diff --git a/test/parallel/test-tick-processor.js b/test/parallel/test-tick-processor.js
@@ -1,8 +1,8 @@
 'use strict';
-var fs = require('fs');
-var assert = require('assert');
-var cp = require('child_process');
-var common = require('../common');
+const fs = require('fs');
+const assert = require('assert');
+const cp = require('child_process');
+const common = require('../common');

 // TODO(mhdawson) Currently the test-tick-processor functionality in V8
 // depends on addresses being smaller than a full 64 bits.  Aix supports
@@ -49,12 +49,12 @@ function runTest(pattern, code) {
    return /^isolate-/.test(file);
  });
  if (matches.length != 1) {
-    assert.fail(null, null, 'There should be a single log file.');
+    common.fail('There should be a single log file.');
  }
  var log = matches[0];
  var out = cp.execSync(process.execPath +
                        ' --prof-process --call-graph-size=10 ' + log,
                        {encoding: 'utf8'});
-  assert(pattern.test(out));
+  assert(pattern.test(out), `${pattern} not matching ${out}`);
  fs.unlinkSync(log);
 }