Add more example unit tests and run with travis

Makefile

@@ -36,6 +36,6 @@ clean:
 install: build/bin/nvim
 	${MAKE} -C build install
 
-.PHONY: test deps cmake install
+.PHONY: test unittest deps cmake install
 
 .DEFAULT: build/bin/nvim

scripts/travis.sh

@@ -3,6 +3,7 @@
 export VALGRIND_CHECK=1
 make cmake CMAKE_EXTRA_FLAGS="-DCMAKE_INSTALL_PREFIX=$PWD/dist"
 make
+make unittest
 echo "Running tests with valgrind..."
 if ! make test > /dev/null; then
 	if ls src/testdir/valgrind.* > /dev/null 2>&1; then

test/unit/misc1.moon

@@ -8,6 +8,7 @@ cstr = ffi.typeof 'char[?]'
 describe 'misc1 function', ->
   describe 'fullpathcmp', ->
     ffi.cdef 'int fullpathcmp(char *s1, char *s2, int checkname);'
+
     fullpathcmp = (s1, s2, cn) ->
       s1 = cstr (string.len s1) + 1, s1
       s2 = cstr (string.len s2) + 1, s2
@@ -15,7 +16,7 @@ describe 'misc1 function', ->
 
     f1 = 'f1.o'
     f2 = 'f2.o'
-    f3 = 'test/f1.o'
+
     FPC_SAME = 1
     FPC_DIFF = 2
     FPC_NOTX = 4
@@ -26,13 +27,25 @@ describe 'misc1 function', ->
       -- create the three files that will be used in this spec
       (io.open f1, 'w').close!
       (io.open f2, 'w').close!
-      (io.open f3, 'w').close!
 
     after_each ->
       os.remove f1
       os.remove f2
-      os.remove f3
     
     it 'returns FPC_SAME when passed the same file', ->
       eq FPC_SAME, (fullpathcmp f1, f1)
 
+    it 'returns FPC_SAMEX when files that dont exist and have same name', ->
+      eq FPC_SAMEX, (fullpathcmp 'null.txt', 'null.txt', true)
+
+    it 'returns FPC_NOTX when files that dont exist', ->
+      eq FPC_NOTX, (fullpathcmp 'null.txt', 'null.txt')
+
+    it 'returns FPC_DIFF when passed different files', ->
+      eq FPC_DIFF, (fullpathcmp f1, f2)
+      eq FPC_DIFF, (fullpathcmp f2, f1)
+
+    it 'returns FPC_DIFFX if only one does not exist', ->
+      eq FPC_DIFFX, (fullpathcmp f1, 'null.txt')
+      eq FPC_DIFFX, (fullpathcmp 'null.txt', f1)
+