Expo curve tests

betaflight · May 12, 2015 · 1f69a6b · 1f69a6b
1 parent d5fd151
commit 1f69a6b
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diff --git a/test/index.html b/test/index.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <title>Blackbox viewer tests</title>
+
+    <script type="text/javascript" src="../js/expo.js"></script>
+
+    <script type="text/javascript" src="index.js"></script>
+</head>
+<body>
+
+</body>
+</html>
diff --git a/test/index.js b/test/index.js
@@ -0,0 +1,62 @@
+"use strict";
+
+function assert(condition) {
+    if (!condition) {
+        throw "Assert failed";
+    }
+}
+
+function testExpoCurve() {
+    var 
+        curve = new ExpoCurve(0, 0.700, 750, 1.0, 10);
+
+    assert(curve.lookup(0) == 0.0);
+    assert(curve.lookup(-750) == -1.0);
+    assert(curve.lookup(750) == 1.0);
+}
+
+function testExpoStraightLine() {
+    var 
+        curve = new ExpoCurve(0, 1.0, 500, 1.0, 1);
+
+    assert(curve.lookup(0) == 0.0);
+    assert(curve.lookup(-500) == -1.0);
+    assert(curve.lookup(500) == 1.0);
+    assert(curve.lookup(-250) == -0.5);
+    assert(curve.lookup(250) == 0.5);
+}
+
+function benchExpoCurve() {
+    var 
+        trial, i,
+        curve = new ExpoCurve(0, 0.700, 750, 1.0, 10),
+        acc = 0,
+        endTime, results = "";
+
+    for (trial = 0; trial < 10; trial++) {
+        var 
+            start = Date.now(),
+            end;
+
+        for (i = 0; i < 10000000; i++) {
+            acc += curve.lookup(Math.random() * 750); 
+        }
+
+        end = Date.now();
+
+        results += (end - start) + "\n";
+    }
+
+    alert("Expo curve bench\n" + results);
+}
+
+try {
+    testExpoCurve();
+    testExpoStraightLine();
+
+    //benchExpoCurve();
+
+    alert("All tests pass");
+} catch (e) {
+    alert(e);
+}