Add tests

.gitignore

@@ -1,4 +1,3 @@
 *.o
 build/*
-.vscode
+.vscode
-test

Makefile

@@ -1,7 +1,15 @@
 BUILDDIR     := ./build
+TEST_SRCDIR  := ./test
 SRCDIR       := ./src
 CXX          := g++
 
+SRC          := $(wildcard $(SRCDIR)/*.cpp)
+OBJ           = $(filter-out $(BUILDDIR)/main.o, $(SRC:$(SRCDIR)/%.cpp=$(BUILDDIR)/%.o))
+
+TESTS_SRC     = $(wildcard $(TEST_SRCDIR)/*.cpp)
+TESTS_OBJ     = $(TESTS_SRC:$(TEST_SRCDIR)/%.cpp=$(BUILDDIR)/test-%)
+
+
 # Linker flag
 LD_CXXFLAGS =
 
@@ -14,7 +22,7 @@ CXXFLAGS    = -Wall -Wextra -g -O3 -std=c++2a
 # See memory leaks and Incorrect Read/Write
 # -fsanitize=address -lasan
 
-$(BUILDDIR)/main: $(SRCDIR)/main.cpp $(BUILDDIR)/input.o $(BUILDDIR)/interpreter.o $(BUILDDIR)/parser.o $(BUILDDIR)/tokenize.o
+$(BUILDDIR)/main: $(SRCDIR)/main.cpp $(OBJ)
 	$(CXX)  $^ -o $@  $(CXXFLAGS) $(LD_CXXFLAGS)
 
 
@@ -22,5 +30,27 @@ $(BUILDDIR)/%.o: $(SRCDIR)/%.cpp $(SRCDIR)/include/%.h
 	$(CXX)  -c $< -o $@  $(CXXFLAGS)
 
 
+#
+# Tests
+#
+
+# 1. Compile every test/*.cpp file
+# 2. Run every test/*.sh file
+# 3. Run every file compiled in (1.)
+run-tests: build-tests
+	$(foreach file, $(wildcard $(TEST_SRCDIR)/*.sh), $(file);)
+	@echo "$$(for file in build/test-*; do $$file || exit 1; done)"
+
+# Preparing tests is basically deleting every compiled file because maybe we "just changed a header"
+build-tests: prepare-tests $(TESTS_OBJ)
+
+prepare-tests:
+	@rm -f $(BUILDDIR)/test-*
+
+$(BUILDDIR)/test-%: $(TEST_SRCDIR)/%.cpp $(OBJ)
+	$(CXX)  $^ -o $@  $(CXXFLAGS) $(LD_CXXFLAGS)
+
+
+
 clean:
 	rm -rf $(BUILDDIR)/*

test/expr_arithmetiques.cpp

@@ -0,0 +1,25 @@
+#include "include/test.h"
+
+#include "../src/include/tokenize.h"
+#include "../src/include/parser.h"
+#include "../src/include/interpreter.h"
+
+int execute(string s) {
+    vector<Token> tokens = tokenize(s);
+    Node ast = parse(tokens);
+    EvalResult res = eval(ast);
+
+    return get<int>(res);
+}
+
+int main() {
+    _TEST_PRESENTATION("Expressions Arithmétiques");
+
+    _TEST_ASSERT(execute("10 + 3 * (7 - 2);") == 25, "Priorités");
+
+    _TEST_ASSERT(execute("12 - 4 - 20;") == -12, "Ordre de soustraction");
+
+    _TEST_ASSERT(execute("-7 + 13 + -6;") == 0, "Opérateurs unaires");
+
+    return 0;
+}

test/include/test.h

@@ -0,0 +1,23 @@
+#ifndef DEF_TEST_H
+#define DEF_TEST_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include "../../src/include/colors.h"
+
+#define _TEST_PRESENTATION(description) { printf("\n" BLUE "#### %s:" BOLD "%s" RESET BLUE " #####" RESET "\n", __FILE__, description); }
+
+#define _TEST_ASSERT(condition, description) {                                              \
+    if (condition) {                                                                        \
+        printf("[" GREEN "OK" RESET "] %s:%d: %s\n", __FILE__, __LINE__, description);      \
+    } else {                                                                                \
+        printf("[" RED "ERREUR" RESET "] %s:%d: %s\n", __FILE__, __LINE__, description);    \
+        exit(1);                                                                            \
+    }                                                                                       \
+}
+
+
+
+#endif

test/variables.cpp

@@ -0,0 +1,23 @@
+#include "include/test.h"
+
+#include "../src/include/tokenize.h"
+#include "../src/include/parser.h"
+#include "../src/include/interpreter.h"
+
+int execute(string s) {
+    vector<Token> tokens = tokenize(s);
+    Node ast = parse(tokens);
+    EvalResult res = eval(ast);
+
+    return get<int>(res);
+}
+
+int main() {
+    _TEST_PRESENTATION("Variables");
+
+    _TEST_ASSERT(execute("int uneVariableFarfelue__ = 12;") == 12, "Déclaration avec assignement");
+
+    _TEST_ASSERT(execute("int x = 5; x + 3;") == 8, "Déclaration puis assignement");
+
+    return 0;
+}