Updated tests to include order of operations.

Makefile

@@ -88,9 +88,9 @@ $(TEST_BUILD_DIR)/test_%.out: $(TEST_OBJ_DIR)/test_%.o $(OBJ_DIR)/%.o $(UNITY_OB
 	$(LINK) -o $@ $? $(LDFLAGS)
 
 # Run the test files.
-test: $(TEST_BIN_FILES)
+test: $(TARGET) $(TEST_BIN_FILES)
 	@ echo -e "$(WHITE_BOLD)Running unit tests...$(RESETCOLOR)"
-	for test in $<; do ./$${test}; done
+	for test in $(TEST_BIN_FILES); do ./$${test}; done
 	@ echo -e "$(WHITE_BOLD)Running validation tests...$(RESETCOLOR)"
 	$(BATS) $(TEST_VAL_DIR)
 

test/validation/test.bats

@@ -57,3 +57,29 @@ bin() { ./scl.out $1 | tail -n1; }
     run bin "-1/-1"
     [ "$output" = "= 1.000000" ]
 }
+
+@test "order of operations" {
+    run bin "1+2*3"
+    [ "$output" = "= 7.000000" ]
+
+    run bin "2*3+1"
+    [ "$output" = "= 7.000000" ]
+
+    run bin "6/2-1"
+    [ "$output" = "= 2.000000" ]
+
+    run bin "1-6/2"
+    [ "$output" = "= -2.000000" ]
+}
+
+# Doesn't run without hanging for now.
+# @test "order of operations with parenthesis" {
+#     run bin "(1+2)*3"
+#     [ "$output" = "= 9.000000" ]
+# 
+#     run bin "-(1+2*3)"
+#     [ "$output" = "= -7.000000" ]
+# 
+#     run bin "-(-(1+2)*3)"
+#     [ "$output" = "= 9.000000" ]
+# }