Add tests for AffectationToStringProcessor

tests/CMakeLists.txt

@@ -4,6 +4,7 @@ set(EXECUTABLE_OUTPUT_PATH ${PUGS_BINARY_DIR})
 add_executable (unit_tests
   test_main.cpp
   test_AffectationProcessor.cpp
+  test_AffectationToStringProcessor.cpp
   test_Array.cpp
   test_ArrayUtils.cpp
   test_ASTBuilder.cpp

tests/test_AffectationToStringProcessor.cpp

+#include <catch2/catch.hpp>
+
+#include <ASTNodeValueBuilder.hpp>
+
+#include <ASTBuilder.hpp>
+#include <ASTNodeDataTypeBuilder.hpp>
+
+#include <ASTNodeDeclarationCleaner.hpp>
+#include <ASTNodeDeclarationToAffectationConverter.hpp>
+
+#include <ASTNodeExpressionBuilder.hpp>
+
+#include <ASTNodeAffectationExpressionBuilder.hpp>
+
+#include <ASTSymbolTableBuilder.hpp>
+
+#include <ASTPrinter.hpp>
+
+#include <Demangle.hpp>
+
+#include <PEGGrammar.hpp>
+
+#include <sstream>
+
+#define CHECK_AFFECTATION_RESULT(data, variable_name, expected_value)       \
+  {                                                                         \
+    string_input input{data, "test.pgs"};                                   \
+    auto ast = ASTBuilder::build(input);                                    \
+                                                                            \
+    ASTSymbolTableBuilder{*ast};                                            \
+    ASTNodeDataTypeBuilder{*ast};                                           \
+    ASTNodeValueBuilder{*ast};                                              \
+                                                                            \
+    ASTNodeDeclarationToAffectationConverter{*ast};                         \
+    ASTNodeDeclarationCleaner{*ast};                                        \
+                                                                            \
+    ASTNodeExpressionBuilder{*ast};                                         \
+    ExecUntilBreakOrContinue exec_policy;                                   \
+    ast->execute(exec_policy);                                              \
+                                                                            \
+    auto symbol_table = ast->m_symbol_table;                                \
+                                                                            \
+    using namespace TAO_PEGTL_NAMESPACE;                                    \
+    position use_position{internal::iterator{"fixture"}, "fixture"};        \
+    use_position.byte    = 10000;                                           \
+    auto [symbol, found] = symbol_table->find(variable_name, use_position); \
+                                                                            \
+    auto attribute = symbol->second;                                        \
+    auto value     = std::get<decltype(expected_value)>(attribute.value()); \
+                                                                            \
+    REQUIRE(value == expected_value);                                       \
+  }
+
+TEST_CASE("ASTAffectationToStringProcessor", "[language]")
+{
+  SECTION("Affectations")
+  {
+    CHECK_AFFECTATION_RESULT(R"(string s; s = "foo";)", "s", std::string("foo"));
+    CHECK_AFFECTATION_RESULT(R"(N n = 2; string s; s = n;)", "s", std::to_string(2ul));
+    CHECK_AFFECTATION_RESULT(R"(string s; s = -1;)", "s", std::to_string(-1l));
+    CHECK_AFFECTATION_RESULT(R"(string s; s = true;)", "s", std::to_string(true));
+    CHECK_AFFECTATION_RESULT(R"(string s; s = 2.3;)", "s", std::to_string(2.3));
+  }
+
+  SECTION("+=")
+  {
+    CHECK_AFFECTATION_RESULT(R"(string s = "foo"; s += "bar";)", "s", std::string("foobar"));
+    CHECK_AFFECTATION_RESULT(R"(N n = 2; string s = "foo"; s += n;)", "s", (std::string("foo") + std::to_string(2ul)));
+    CHECK_AFFECTATION_RESULT(R"(string s = "foo"; s += -1;)", "s", (std::string("foo") + std::to_string(-1l)));
+    CHECK_AFFECTATION_RESULT(R"(string s = "foo"; s += true;)", "s", (std::string("foo") + std::to_string(true)));
+    CHECK_AFFECTATION_RESULT(R"(string s = "foo"; s += 2.3;)", "s", (std::string("foo") + std::to_string(2.3)));
+  }
+}