Vulkan packages (#8)

Reviewed-on: #8

spirv-tools/all/test_package/test_package.c

@@ -0,0 +1,31 @@
+#include "spirv-tools/libspirv.h"
+
+int main(int argc, char ** argv)
+{
+const char input_text[] =
+    "OpCapability Shader\n"
+    "OpCapability Linkage\n"
+    "OpMemoryModel Logical GLSL450";
+  spv_text text;
+  spv_binary binary;
+  spv_context context;
+
+  context  = spvContextCreate(SPV_ENV_UNIVERSAL_1_1);
+
+  binary = 0;
+  if( SPV_SUCCESS != spvTextToBinary(context, input_text, sizeof(input_text), &binary, 0) )
+  {
+      return 1;
+  }
+
+  text = 0;
+  if( SPV_SUCCESS != spvBinaryToText(context, binary->code, binary->wordCount, 0, &text, 0) )
+  {
+      return 1;
+  }
+
+  spvTextDestroy(text);
+  spvBinaryDestroy(binary);
+  spvContextDestroy(context);
+  return 0;
+}