initial commit

tests/NfcTagTest/NfcTagTest.ino

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+#include <Wire.h>
+#include <PN532.h>
+#include <NfcTag.h>
+#include <ArduinoUnit.h>
+
+void setup() {
+    Serial.begin(9600);
+}
+
+// Test for pull requests #14 and #16
+test(getUid)
+{
+  byte uid[4] = { 0x00, 0xFF, 0xAA, 0x17 };
+  byte uidFromTag[sizeof(uid)]; 
+
+  NfcTag tag = NfcTag(uid, sizeof(uid));
+
+  assertEqual(sizeof(uid), tag.getUidLength());
+
+  tag.getUid(uidFromTag, sizeof(uidFromTag));
+
+  // make sure the 2 uids are the same
+  for (int i = 0; i < sizeof(uid); i++) {
+    assertEqual(uid[i], uidFromTag[i]);
+  }
+
+  // check contents, to ensure the original uid wasn't overwritten
+  assertEqual(0x00, uid[0]);
+  assertEqual(0xFF, uid[1]);
+  assertEqual(0xAA, uid[2]);
+  assertEqual(0x17, uid[3]);
+}
+
+void loop() {
+  Test::run();
+}
+