diff --git a/tests/PathMeasureTest.cpp b/tests/PathMeasureTest.cpp
new file mode 100644
index 0000000..de18764
--- /dev/null
+++ b/tests/PathMeasureTest.cpp
@@ -0,0 +1,42 @@
+#include "Test.h"
+#include "SkPathMeasure.h"
+
+static void TestPathMeasure(skiatest::Reporter* reporter) {
+    SkPath  path;
+
+    path.moveTo(0, 0);
+    path.lineTo(SK_Scalar1, 0);
+    path.lineTo(SK_Scalar1, SK_Scalar1);
+    path.lineTo(0, SK_Scalar1);
+
+    SkPathMeasure   meas(path, true);
+    SkScalar        length = meas.getLength();
+    SkASSERT(length == SK_Scalar1*4);
+
+    path.reset();
+    path.moveTo(0, 0);
+    path.lineTo(SK_Scalar1*3, SK_Scalar1*4);
+    meas.setPath(&path, false);
+    length = meas.getLength();
+    REPORTER_ASSERT(reporter, length == SK_Scalar1*5);
+
+    path.reset();
+    path.addCircle(0, 0, SK_Scalar1);
+    meas.setPath(&path, true);
+    length = meas.getLength();
+//    SkDebugf("circle arc-length = %g\n", length);
+
+    for (int i = 0; i < 8; i++) {
+        SkScalar    d = length * i / 8;
+        SkPoint     p;
+        SkVector    v;
+        meas.getPosTan(d, &p, &v);
+#if 0
+        SkDebugf("circle arc-length=%g, pos[%g %g] tan[%g %g]\n",
+                 d, p.fX, p.fY, v.fX, v.fY);
+#endif
+    }
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("PathMeasure", PathMeasureTestClass, TestPathMeasure)