huge commit

- worked on about everything
- grid walker using plugable modules
- wifi models
- new distributions
- worked on geometric data-structures
- added typesafe timestamps
- worked on grid-building
- added sensor-classes
- added sensor analysis (step-detection, turn-detection)
- offline data reader
- many test-cases

tests/data/TestRingBuffer.cpp

@@ -0,0 +1,115 @@
+#ifdef WITH_TESTS
+
+#include "../Tests.h"
+#include "../../data/RingBuffer.h"
+
+TEST(RingBuffer, reset) {
+
+	RingBuffer<int> buf(4);
+
+	ASSERT_EQ(0, buf.size());
+	ASSERT_TRUE(buf.empty());
+
+	buf.add(3);
+	ASSERT_EQ(1, buf.size());
+	ASSERT_FALSE(buf.empty());
+
+	buf.reset();
+	ASSERT_EQ(0, buf.size());
+	ASSERT_TRUE(buf.empty());
+
+	buf.add(4);
+	ASSERT_EQ(1, buf.size());
+	ASSERT_FALSE(buf.empty());
+	ASSERT_EQ(4, buf.get());
+
+}
+
+TEST(RingBuffer, add) {
+
+	RingBuffer<int> buf(4);
+
+	ASSERT_EQ(0, buf.size());
+	ASSERT_TRUE(buf.empty());
+
+	buf.add(9);
+	ASSERT_EQ(1, buf.size());
+	ASSERT_FALSE(buf.empty());
+	ASSERT_EQ(9, buf.get());
+	ASSERT_TRUE(buf.empty());
+
+	buf.add(2);
+	buf.add(4);
+	buf.add(3);
+	ASSERT_EQ(3, buf.size());
+	ASSERT_FALSE(buf.empty());
+	ASSERT_EQ(2, buf.get());
+	ASSERT_EQ(4, buf.get());
+	ASSERT_EQ(3, buf.get());
+	ASSERT_TRUE(buf.empty());
+
+	buf.add(5);
+	buf.add(7);
+	buf.add(8);
+	ASSERT_EQ(3, buf.size());
+	ASSERT_FALSE(buf.empty());
+	ASSERT_EQ(5, buf.get());
+	ASSERT_EQ(7, buf.get());
+	ASSERT_EQ(8, buf.get());
+	ASSERT_TRUE(buf.empty());
+
+}
+
+TEST(RingBuffer, iterator) {
+
+	RingBuffer<int> buf(4);
+
+	int sum;
+
+	buf.add(1);
+	sum = 0; for (int i : buf) {sum += i;}
+	ASSERT_EQ(1, sum);
+
+	buf.add(2);
+	sum = 0; for (int i : buf) {sum += i;}
+	ASSERT_EQ(1+2, sum);
+
+	buf.add(3);
+	sum = 0; for (int i : buf) {sum += i;}
+	ASSERT_EQ(1+2+3, sum);
+
+	buf.add(4);
+	sum = 0; for (int i : buf) {sum += i;}
+	ASSERT_EQ(1+2+3+4, sum);
+
+	// prevent overflow
+	buf.get();
+
+	buf.add(5);
+	sum = 0; for (int i : buf) {sum += i;}
+	ASSERT_EQ(2+3+4+5, sum);
+
+
+	ASSERT_EQ(2, buf.get());
+	ASSERT_EQ(3, buf.size());
+	sum = 0; for (int i : buf) {sum += i;}
+	ASSERT_EQ(3+4+5, sum);
+
+	buf.get();
+	ASSERT_EQ(2, buf.size());
+	sum = 0; for (int i : buf) {sum += i;}
+	ASSERT_EQ(4+5, sum);
+
+	buf.get();
+	ASSERT_EQ(1, buf.size());
+	sum = 0; for (int i : buf) {sum += i;}
+	ASSERT_EQ(5, sum);
+
+	buf.get();
+	ASSERT_EQ(0, buf.size());
+	sum = 0; for (int i : buf) {sum += i;}
+	ASSERT_EQ(0, sum);
+
+}
+
+#endif