Improved ParserContext tests

tests/src/ParserTests.cpp

@@ -59,57 +59,27 @@ namespace PashaBibko::LXC::Parser
 
         ParserContext ctx(tokens.Result());
 
-        for (size_t idx = 0; idx < 10; idx++)
+        static const Lexer::Token::TokenType results[] =
+        {
+            Lexer::Token::OpenCrocodile,
+            Lexer::Token::Identifier,
+            Lexer::Token::CloseCrocodile,
+            Lexer::Token::Identifier,
+            Lexer::Token::OpenParen,
+            Lexer::Token::CloseParen,
+            Lexer::Token::OpenBrace,
+            Lexer::Token::Return,
+            Lexer::Token::NumLiteral,
+            Lexer::Token::CloseBrace
+        };
+
+        std::size_t resultLength = tokens.Result().size();
+        EXPECT_TRUE(resultLength == 11);
+
+        for (std::size_t index = 0; index < resultLength - 1; index++)
         {
             const Lexer::Token* current = ctx.Advance();
-            ASSERT_FALSE(current == nullptr);
-            const Lexer::Token::TokenType cType = current->type;
-
-            switch (idx)
-            {
-                case 0:
-                    EXPECT_TRUE(cType == Lexer::Token::OpenCrocodile);
-                    break;
-
-                case 1:
-                    EXPECT_TRUE(cType == Lexer::Token::Identifier);
-                    break;
-
-                case 2:
-                    EXPECT_TRUE(cType == Lexer::Token::CloseCrocodile);
-                    break;
-
-                case 3:
-                    EXPECT_TRUE(cType == Lexer::Token::Identifier);
-                    break;
-
-                case 4:
-                    EXPECT_TRUE(cType == Lexer::Token::OpenParen);
-                    break;
-
-                case 5:
-                    EXPECT_TRUE(cType == Lexer::Token::CloseParen);
-                    break;
-
-                case 6:
-                    EXPECT_TRUE(cType == Lexer::Token::OpenBrace);
-                    break;
-
-                case 7:
-                    EXPECT_TRUE(cType == Lexer::Token::Return);
-                    break;
-
-                case 8:
-                    EXPECT_TRUE(cType == Lexer::Token::NumLiteral);
-                    break;
-
-                case 9:
-                    EXPECT_TRUE(cType == Lexer::Token::CloseBrace);
-                    break;
-
-                default:
-                    ASSERT_FALSE(false); // There were two many tokens generated by the lexer
-            }
+            EXPECT_TRUE(current->type == results[index]);
         }
     }
 
@@ -134,5 +104,12 @@ namespace PashaBibko::LXC::Parser
             Lexer::Token::NumLiteral,
             Lexer::Token::CloseBrace
         }));
+
+        ASSERT_FALSE(ctx.Expect(std::array
+        {
+            Lexer::Token::FunctionDef,
+            Lexer::Token::OpenCrocodile,
+            Lexer::Token::NumLiteral
+        }));
     }
 }