Begin test for ASTNodeDataTypeBuilder

tests/CMakeLists.txt

@@ -8,6 +8,7 @@ add_executable (unit_tests
   test_ASTDotPrinter.cpp
   test_ASTBuilder.cpp
   test_ASTNodeDataType.cpp
+  test_ASTNodeDataTypeBuilder.cpp
   test_ASTSymbolTableBuilder.cpp
   test_ASTSymbolInitializationChecker.cpp
   test_ItemType.cpp

tests/test_ASTNodeDataTypeBuilder.cpp

+#include <catch2/catch.hpp>
+
+#include <ASTBuilder.hpp>
+#include <ASTNodeDataTypeBuilder.hpp>
+#include <ASTSymbolTableBuilder.hpp>
+
+#include <ASTPrinter.hpp>
+
+#define CHECK_AST(data, expected_output)                                                            \
+  {                                                                                                 \
+    static_assert(std::is_same_v<std::decay_t<decltype(data)>, std::string_view>);                  \
+    static_assert(std::is_same_v<std::decay_t<decltype(expected_output)>, std::string_view>);       \
+                                                                                                    \
+    string_input input{data, "test.pgs"};                                                           \
+    auto ast = ASTBuilder::build(input);                                                            \
+                                                                                                    \
+    ASTSymbolTableBuilder{*ast};                                                                    \
+    ASTNodeDataTypeBuilder{*ast};                                                                   \
+                                                                                                    \
+    std::stringstream ast_output;                                                                   \
+    ast_output << '\n' << ASTPrinter{*ast, ASTPrinter::Format::raw, {ASTPrinter::Info::data_type}}; \
+                                                                                                    \
+    REQUIRE(ast_output.str() == expected_output);                                                   \
+  }
+
+TEST_CASE("ASTNodeDataTypeBuilder", "[language]")
+{
+  SECTION("integer")
+  {
+    std::string_view data = R"(
+1;
+)";
+
+    std::string_view result = R"(
+(root:void)
+ `-(language::integer:1:Z)
+)";
+
+    CHECK_AST(data, result);
+  }
+
+  SECTION("real")
+  {
+    std::string_view data = R"(
+1.3;
+)";
+
+    std::string_view result = R"(
+(root:void)
+ `-(language::real:1.3:R)
+)";
+
+    CHECK_AST(data, result);
+  }
+
+  SECTION("true")
+  {
+    std::string_view data = R"(
+true;
+)";
+
+    std::string_view result = R"(
+(root:void)
+ `-(language::true_kw:B)
+)";
+
+    CHECK_AST(data, result);
+  }
+
+  SECTION("false")
+  {
+    std::string_view data = R"(
+false;
+)";
+
+    std::string_view result = R"(
+(root:void)
+ `-(language::false_kw:B)
+)";
+
+    CHECK_AST(data, result);
+  }
+}