wip

test.jai

@@ -1,5 +1,73 @@
 main :: () {
+    print("\nBeginning tests...\n");
+    // test_handle_arrow_empty_lines();
+    // test_handle_arrow_one_line();
+    x := 1;
+    y := 2;
+    assert_test(x == y);
 }
 
-#load "edit.jai";
+test_handle_arrow_empty_lines :: () {
+    state: State;
+    state.cursor_y = 0;
+    state.cursor_x = 0;
+
+    codes := Input.Key_Code.[.ARROW_DOWN, .ARROW_UP, .ARROW_LEFT, .ARROW_RIGHT];
+    for codes {
+	handle_arrow(*state, .{key_code=it});
+	assert(state.cursor_x == 0 && state.cursor_y == 0, "%: cursor_x % & cursor_y %", it, state.cursor_x, state.cursor_y);
+    }
+
+    print("test_handle_arrow_empty_lines completed successfully\n");
+}
+
+test_handle_arrow_one_line :: () {
+    state: State;
+    state.cursor_y = 0;
+    state.cursor_x = 0;
+    
+    line: [..]u8;
+    line_str := "foo bar";
+    
+    array_add(*line, .{data=line_str.data, count=line_str.count});
+    array_add(*state.lines, line);
+
+    codes := Input.Key_Code.[.ARROW_DOWN, .ARROW_UP, .ARROW_LEFT];
+    for codes {
+	handle_arrow(*state, .{key_code=it});
+	assert(state.cursor_x == 0 && state.cursor_y == 0);
+    }
+
+    handle_arrow(*state, .{key_code=.ARROW_RIGHT});
+    assert(state.cursor_x == 1 && state.cursor_y == 0);    
+
+    print("test_handle_arrow_one_line completed successfully\n");
+}
+
+assert_test :: (value: bool, $code := #caller_code) {
+    builder: String_Builder;
+    root, expressions := compiler_get_nodes(code);
+    loc := #location(code);
+
+    print_to_builder(*builder, "%:%: Test: ", loc.fully_pathed_filename, loc.line_number);
+    print_expression(*builder, root);
+    append(*builder, "\n");
+    `result := #insert code;
+    if !result {
+	for expressions {
+	    if it == root continue;
+	    print_expression(*builder, it);
+	    append(*builder, "\n");
+	}
+	append(*builder, "\n");
+	`expression := builder_to_string(*builder);
+	`print("%\n", expression);
+    } else {
+	`print("Passed!\n");
+    }
+}
+
+#import,file "edit.jai";
 #import "Basic";
+#import "Compiler";
+#import "Program_Print";