Adding a unit test and fixing some bugs.

src/chars.txt

+#header > #leftpane > [data-ur-tabs-component="button"] {
+  > div {
+    padding: 10px;
+  }
+  > div:after {
+    content: "▼";
+    float: right;
+  }
+  &[data-ur-state="enabled"] > div:after {
+    content: "▲";
+    float: right;
+  }
+}
\ No newline at end of file

src/document.cpp

@@ -4,7 +4,7 @@
 namespace Sass {
   Document::Document(char* _path, char* _source) {
     path = _path;
-    if (!source) {
+    if (!_source) {
       std::FILE *f;
       f = std::fopen(path, "rb");
       // if (!f) {
@@ -14,7 +14,6 @@ namespace Sass {
       std::fseek(f, 0, SEEK_END);
       int len = std::ftell(f);
       std::rewind(f);
-      // char *buf = (char *)malloc(len * sizeof(char) + 1);
       source = new char[len + 1];
       std::fread(source, sizeof(char), len, f);
       source[len] = '\0';
@@ -24,4 +23,7 @@ namespace Sass {
       source = _source;
     }
   }
+  Document::~Document() {
+    delete [] source;
+  }
 }
\ No newline at end of file

src/document.hpp

-#include <vector>
 #include "node.hpp"
 
 namespace Sass {
@@ -12,5 +11,6 @@ namespace Sass {
     vector<Node> statements;
     
     Document(char* _path, char* _source = 0);
+    ~Document();
   };
 }
\ No newline at end of file

src/unit-test-document.cpp

+#include <cstdio>
+#include "document.hpp"
+
+using namespace Sass;
+
+int main(int argc, char* argv[]) {
+  Document doc(argv[1], 0);
+  char* src = doc.source;
+  printf("FILE BEGINS ON NEXT LINE\n");
+  while (*src) std::putchar(*(src++));
+  printf("<EOF>\n");
+  return 0;
+}
\ No newline at end of file