Toy_VM and Toy_Stack are working and tested, read more

At this point, only a minimal number of operations are working, and
after running any kind of source code, the 'result' is simply left on
the VM's stack. Still, it's awesome to see it reach this point.

tests/cases/test_vm.c

@@ -0,0 +1,149 @@
+#include "toy_vm.h"
+#include "toy_console_colors.h"
+
+#include "toy_lexer.h"
+#include "toy_parser.h"
+#include "toy_bytecode.h"
+
+#include <stdio.h>
+#include <string.h>
+
+//utils
+Toy_Bytecode makeBytecodeFromSource(Toy_Bucket** bucket, const char* source) {
+	Toy_Lexer lexer;
+	Toy_bindLexer(&lexer, source);
+
+	Toy_Parser parser;
+	Toy_bindParser(&parser, &lexer);
+
+	Toy_Ast* ast = Toy_scanParser(bucket, &parser);
+	Toy_Bytecode bc = Toy_compileBytecode(ast);
+
+	return bc;
+}
+
+//tests
+int test_setup_and_teardown(Toy_Bucket* bucket) {
+	//basic init & quit
+	{
+		//generate bytecode for testing
+		const char* source = "(1 + 2) * (3 + 4);";
+
+		Toy_Lexer lexer;
+		Toy_bindLexer(&lexer, source);
+
+		Toy_Parser parser;
+		Toy_bindParser(&parser, &lexer);
+
+		Toy_Ast* ast = Toy_scanParser(&bucket, &parser);
+
+		Toy_Bytecode bc = Toy_compileBytecode(ast);
+
+		//run the setup
+		Toy_VM vm;
+		Toy_initVM(&vm);
+		Toy_bindVM(&vm, bc.ptr, bc.capacity);
+
+		//check the header size
+		int headerSize = 3 + strlen(TOY_VERSION_BUILD) + 1;
+		if (headerSize % 4 != 0) {
+			headerSize += 4 - (headerSize % 4); //ceil
+		}
+
+		//check the routine was loaded correctly
+		if (
+			vm.routine - vm.bc != headerSize ||
+			vm.routineSize != 72 ||
+			vm.paramCount != 0 ||
+			vm.jumpsCount != 0 ||
+			vm.dataCount != 0 ||
+			vm.subsCount != 0
+		)
+		{
+			fprintf(stderr, TOY_CC_ERROR "ERROR: failed to setup and teadown Toy_VM, source: %s\n" TOY_CC_RESET, source);
+
+			//cleanup and return
+			Toy_freeVM(&vm);
+			return -1;
+		}
+
+		//don't run it this time, simply teadown
+		Toy_freeVM(&vm);
+	}
+
+	return 0;
+}
+
+//tests
+int test_simple_execution(Toy_Bucket* bucket) {
+	//basic init & quit
+	{
+		//generate bytecode for testing
+		const char* source = "(1 + 2) * (3 + 4);";
+
+		Toy_Lexer lexer;
+		Toy_bindLexer(&lexer, source);
+
+		Toy_Parser parser;
+		Toy_bindParser(&parser, &lexer);
+
+		Toy_Ast* ast = Toy_scanParser(&bucket, &parser);
+
+		Toy_Bytecode bc = Toy_compileBytecode(ast);
+
+		//run the setup
+		Toy_VM vm;
+		Toy_initVM(&vm);
+		Toy_bindVM(&vm, bc.ptr, bc.capacity);
+
+		//run
+		Toy_runVM(&vm);
+
+		//check the final state of the stack
+		if (vm.stack.count != 1 ||
+			TOY_VALUE_IS_INTEGER( Toy_peekStack(&vm.stack) ) != true ||
+			TOY_VALUE_AS_INTEGER( Toy_peekStack(&vm.stack) ) != 21
+		)
+		{
+			fprintf(stderr, TOY_CC_ERROR "ERROR: failed run the Toy_VM, source: %s\n" TOY_CC_RESET, source);
+
+			//cleanup and return
+			Toy_freeVM(&vm);
+			return -1;
+		}
+
+		//teadown
+		Toy_freeVM(&vm);
+	}
+
+	return 0;
+}
+
+int main() {
+	//run each test set, returning the total errors given
+	int total = 0, res = 0;
+
+	{
+		Toy_Bucket* bucket = NULL;
+		TOY_BUCKET_INIT(Toy_Ast, bucket, 32);
+		res = test_setup_and_teardown(bucket);
+		TOY_BUCKET_FREE(bucket);
+		if (res == 0) {
+			printf(TOY_CC_NOTICE "All good\n" TOY_CC_RESET);
+		}
+		total += res;
+	}
+
+	{
+		Toy_Bucket* bucket = NULL;
+		TOY_BUCKET_INIT(Toy_Ast, bucket, 32);
+		res = test_simple_execution(bucket);
+		TOY_BUCKET_FREE(bucket);
+		if (res == 0) {
+			printf(TOY_CC_NOTICE "All good\n" TOY_CC_RESET);
+		}
+		total += res;
+	}
+
+	return total;
+}