1 files changed, 89 insertions, 0 deletions
diff --git a/media/libstagefright/gtest/TestInterval.cpp b/media/libstagefright/gtest/TestInterval.cpp
new file mode 100644
index 0000000000..68aa3b1268
--- /dev/null
+++ b/media/libstagefright/gtest/TestInterval.cpp
@@ -0,0 +1,89 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "gtest/gtest.h"
+#include "mp4_demuxer/Interval.h"
+
+using namespace mp4_demuxer;
+using namespace mozilla;
+
+TEST(Interval, Length)
+{
+  Interval<int> i(15, 25);
+  EXPECT_EQ(10, i.Length());
+}
+
+TEST(Interval, Intersection)
+{
+  Interval<int> i0(10, 20);
+  Interval<int> i1(15, 25);
+  Interval<int> i = i0.Intersection(i1);
+  EXPECT_EQ(15, i.start);
+  EXPECT_EQ(20, i.end);
+}
+
+TEST(Interval, Equals)
+{
+  Interval<int> i0(10, 20);
+  Interval<int> i1(10, 20);
+  EXPECT_EQ(i0, i1);
+
+  Interval<int> i2(5, 20);
+  EXPECT_NE(i0, i2);
+
+  Interval<int> i3(10, 15);
+  EXPECT_NE(i0, i2);
+}
+
+TEST(Interval, IntersectionVector)
+{
+  nsTArray<Interval<int>> i0;
+  i0.AppendElement(Interval<int>(5, 10));
+  i0.AppendElement(Interval<int>(20, 25));
+  i0.AppendElement(Interval<int>(40, 60));
+
+  nsTArray<Interval<int>> i1;
+  i1.AppendElement(Interval<int>(7, 15));
+  i1.AppendElement(Interval<int>(16, 27));
+  i1.AppendElement(Interval<int>(45, 50));
+  i1.AppendElement(Interval<int>(53, 57));
+
+  nsTArray<Interval<int>> i;
+  Interval<int>::Intersection(i0, i1, &i);
+
+  EXPECT_EQ(4u, i.Length());
+
+  EXPECT_EQ(7, i[0].start);
+  EXPECT_EQ(10, i[0].end);
+
+  EXPECT_EQ(20, i[1].start);
+  EXPECT_EQ(25, i[1].end);
+
+  EXPECT_EQ(45, i[2].start);
+  EXPECT_EQ(50, i[2].end);
+
+  EXPECT_EQ(53, i[3].start);
+  EXPECT_EQ(57, i[3].end);
+}
+
+TEST(Interval, Normalize)
+{
+  nsTArray<Interval<int>> i;
+  i.AppendElement(Interval<int>(20, 30));
+  i.AppendElement(Interval<int>(1, 8));
+  i.AppendElement(Interval<int>(5, 10));
+  i.AppendElement(Interval<int>(2, 7));
+
+  nsTArray<Interval<int>> o;
+  Interval<int>::Normalize(i, &o);
+
+  EXPECT_EQ(2u, o.Length());
+
+  EXPECT_EQ(1, o[0].start);
+  EXPECT_EQ(10, o[0].end);
+
+  EXPECT_EQ(20, o[1].start);
+  EXPECT_EQ(30, o[1].end);
+}