Claude API

test/GCode.containsMCode.test.js

@@ -0,0 +1,25 @@
+const GCode = require('../robot/GCode');
+
+// Bug 6: containsMCode previously used indexOf('M1') == 0, which also matched
+// M10, M11, M114, ... It must only match the standalone M1 motor command.
+describe('GCode.containsMCode', () => {
+  test('matches the exact M1 command', () => {
+    expect(GCode.containsMCode('M1')).toBe(true);
+  });
+
+  test('matches M1 with parameters', () => {
+    expect(GCode.containsMCode('M1 X10 Y20 Z30')).toBe(true);
+  });
+
+  test('does NOT match higher M-codes that start with M1', () => {
+    expect(GCode.containsMCode('M10')).toBe(false);
+    expect(GCode.containsMCode('M11 X1')).toBe(false);
+    expect(GCode.containsMCode('M12')).toBe(false);
+    expect(GCode.containsMCode('M114')).toBe(false);
+  });
+
+  test('does NOT match unrelated commands or empty input', () => {
+    expect(GCode.containsMCode('G1 X1')).toBe(false);
+    expect(GCode.containsMCode('')).toBe(false);
+  });
+});