Index: tracing/tracing/base/piecewise_linear_function_test.html |
diff --git a/tracing/tracing/base/piecewise_linear_function_test.html b/tracing/tracing/base/piecewise_linear_function_test.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..cdc2c0f5cff1f29df19ec752d58a3237bc330b8a |
--- /dev/null |
+++ b/tracing/tracing/base/piecewise_linear_function_test.html |
@@ -0,0 +1,33 @@ |
+<!DOCTYPE html> |
+<!-- |
+Copyright 2016 The Chromium Authors. All rights reserved. |
+Use of this source code is governed by a BSD-style license that can be |
+found in the LICENSE file. |
+--> |
+ |
+<link rel="import" href="/tracing/base/piecewise_linear_function.html"> |
+ |
+<script> |
+'use strict'; |
+ |
+tr.b.unittest.testSuite(function() { |
+ test('PiecewiseLinearFunctionEmpty', function() { |
+ var f = new tr.b.PiecewiseLinearFunction(); |
+ assert.strictEqual(f.max, -Infinity); |
+ assert.strictEqual(f.min, Infinity); |
+ assert.strictEqual(f.average, 0); |
+ assert.strictEqual(f.percentile(0.5), 0); |
+ }); |
petrcermak
2016/04/22 11:40:01
nit: add a blank line after this one
ulan
2016/04/22 12:32:26
Done.
|
+ test('PiecewiseLinearFunction', function() { |
+ var f = new tr.b.PiecewiseLinearFunction(); |
+ f.push(0, 0.0, 10, 1.0); |
+ f.push(10, 1.0, 20, 0.0); |
+ f.push(20, 0.0, 30, 0.0); |
+ assert.strictEqual(f.max, 1.0); |
+ assert.strictEqual(f.min, 0.0); |
+ assert.closeTo(f.average, 20 * 1 / 2.0 / 30, 1e-6); |
+ assert.closeTo(f.percentile(1.0 / 3.0), 0.0, 1e-6); |
+ assert.closeTo(f.percentile(2.0 / 3.0), 0.5, 1e-6); |
+ }); |
+}); |
+</script> |