diff --git a/tests/main.cpp b/tests/main.cpp
index a2b94d2..407dcd5 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -6,13 +6,12 @@
 
 #include <cstdio>
 #include <cstdlib>
+#include <cstring>
 #include <sirit/sirit.h>
 
-using u32 = uint32_t;
-
 class MyModule : public Sirit::Module {
 public:
-    MyModule() = default;
+    MyModule() : Sirit::Module{0x00010300} {}
     ~MyModule() = default;
 
     void Generate() {
@@ -26,8 +25,7 @@ public:
         const auto float4 = Name(TypeVector(t_float, 4), "float4");
         const auto in_float = Name(TypePointer(spv::StorageClass::Input, t_float), "in_float");
         const auto in_float4 = Name(TypePointer(spv::StorageClass::Input, float4), "in_float4");
-        const auto out_float4 =
-            Name(TypePointer(spv::StorageClass::Output, float4), "out_float4");
+        const auto out_float4 = Name(TypePointer(spv::StorageClass::Output, float4), "out_float4");
 
         const auto gl_per_vertex = Name(TypeStruct(float4), "gl_PerVertex");
         const auto gl_per_vertex_ptr =
@@ -41,14 +39,13 @@ public:
         Decorate(gl_per_vertex, spv::Decoration::Block);
         Decorate(gl_per_vertex, spv::Decoration::Block);
         MemberDecorate(gl_per_vertex, 0, spv::Decoration::BuiltIn,
-                       static_cast<u32>(spv::BuiltIn::Position));
+                       static_cast<std::uint32_t>(spv::BuiltIn::Position));
 
         AddGlobalVariable(in_pos);
         AddGlobalVariable(per_vertex);
 
-        const auto main_func = 
-            Name(OpFunction(t_void, spv::FunctionControlMask::MaskNone, TypeFunction(t_void)),
-                 "main");
+        const auto main_func = Name(
+            OpFunction(t_void, spv::FunctionControlMask::MaskNone, TypeFunction(t_void)), "main");
         AddLabel();
 
         const auto ptr_pos_x = OpAccessChain(in_float, in_pos, Constant(t_uint, 0u));
@@ -58,8 +55,6 @@ public:
         const auto pos_y = OpLoad(t_float, ptr_pos_y);
 
         auto tmp_position = OpUndef(float4);
-        Decorate(tmp_position, spv::Decoration::FPRoundingMode,
-                 static_cast<u32>(spv::FPRoundingMode::RTE));
         tmp_position = OpCompositeInsert(float4, pos_x, tmp_position, 0);
         tmp_position = OpCompositeInsert(float4, pos_y, tmp_position, 1);
         tmp_position = OpCompositeInsert(float4, Constant(t_float, 0.f), tmp_position, 2);
@@ -75,15 +70,71 @@ public:
     }
 };
 
+static constexpr std::uint8_t expected_binary[] = {
+    0x03, 0x02, 0x23, 0x07, 0x00, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x03, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x0d, 0x00, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00,
+    0x0b, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x76, 0x6f, 0x69, 0x64,
+    0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x75, 0x69, 0x6e, 0x74,
+    0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x66, 0x6c, 0x6f, 0x61,
+    0x74, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x66, 0x6c, 0x6f, 0x61,
+    0x74, 0x34, 0x00, 0x00, 0x05, 0x00, 0x05, 0x00, 0x05, 0x00, 0x00, 0x00, 0x69, 0x6e, 0x5f, 0x66,
+    0x6c, 0x6f, 0x61, 0x74, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x05, 0x00, 0x06, 0x00, 0x00, 0x00,
+    0x69, 0x6e, 0x5f, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x34, 0x00, 0x00, 0x00, 0x05, 0x00, 0x05, 0x00,
+    0x07, 0x00, 0x00, 0x00, 0x6f, 0x75, 0x74, 0x5f, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x34, 0x00, 0x00,
+    0x05, 0x00, 0x06, 0x00, 0x08, 0x00, 0x00, 0x00, 0x67, 0x6c, 0x5f, 0x50, 0x65, 0x72, 0x56, 0x65,
+    0x72, 0x74, 0x65, 0x78, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x07, 0x00, 0x09, 0x00, 0x00, 0x00,
+    0x6f, 0x75, 0x74, 0x5f, 0x67, 0x6c, 0x5f, 0x50, 0x65, 0x72, 0x56, 0x65, 0x72, 0x74, 0x65, 0x78,
+    0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x69, 0x6e, 0x5f, 0x70,
+    0x6f, 0x73, 0x00, 0x00, 0x05, 0x00, 0x05, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x70, 0x65, 0x72, 0x5f,
+    0x76, 0x65, 0x72, 0x74, 0x65, 0x78, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x0d, 0x00, 0x00, 0x00,
+    0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x0a, 0x00, 0x00, 0x00,
+    0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00,
+    0x02, 0x00, 0x00, 0x00, 0x47, 0x00, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+    0x48, 0x00, 0x05, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x13, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x15, 0x00, 0x04, 0x00,
+    0x02, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00, 0x03, 0x00,
+    0x03, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x17, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00,
+    0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x05, 0x00, 0x00, 0x00,
+    0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00,
+    0x01, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x07, 0x00, 0x00, 0x00,
+    0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00,
+    0x04, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x09, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+    0x08, 0x00, 0x00, 0x00, 0x21, 0x00, 0x03, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x2b, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x2b, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x2b, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x2b, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x3f,
+    0x3b, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x3b, 0x00, 0x04, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+    0x36, 0x00, 0x05, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x0c, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x02, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x41, 0x00, 0x05, 0x00,
+    0x05, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00,
+    0x41, 0x00, 0x05, 0x00, 0x05, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00,
+    0x11, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00,
+    0x10, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
+    0x12, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03, 0x00, 0x04, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00,
+    0x52, 0x00, 0x06, 0x00, 0x04, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00,
+    0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x52, 0x00, 0x06, 0x00, 0x04, 0x00, 0x00, 0x00,
+    0x17, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x52, 0x00, 0x06, 0x00, 0x04, 0x00, 0x00, 0x00, 0x19, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
+    0x17, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x52, 0x00, 0x06, 0x00, 0x04, 0x00, 0x00, 0x00,
+    0x1b, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00, 0x19, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+    0x41, 0x00, 0x05, 0x00, 0x07, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00,
+    0x0f, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x03, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x00, 0x00,
+    0xfd, 0x00, 0x01, 0x00, 0x38, 0x00, 0x01, 0x00};
+
 int main(int argc, char** argv) {
     MyModule module;
     module.Generate();
 
-    std::vector<std::uint32_t> code{module.Assemble()};
-
-    FILE* file = fopen("sirit.spv", "wb");
-    fwrite(code.data(), sizeof(std::uint32_t), code.size(), file);
-    fclose(file);
-
-    return 0;
+    std::vector<std::uint32_t> code = module.Assemble();
+    if (std::size(code) * sizeof(std::uint32_t) != std::size(expected_binary)) {
+        return EXIT_FAILURE;
+    }
+    if (std::memcmp(std::data(code), std::data(expected_binary), std::size(expected_binary)) != 0) {
+        return EXIT_FAILURE;
+    }
+    return EXIT_SUCCESS;
 }