Increase performance of the breakpoint size checker

1 files changed, 15 insertions, 0 deletions

diff --git a/spec/javascripts/breakpoints_spec.js b/spec/javascripts/breakpoints_spec.js
new file mode 100644
index 00000000000..b1b5d36c1fb
--- /dev/null
+++ b/spec/javascripts/breakpoints_spec.js
@@ -0,0 +1,15 @@
+import bp, {
+  breakpoints,
+} from '~/breakpoints';
+
+describe('breakpoints', () => {
+  Object.keys(breakpoints).forEach((key) => {
+    const size = breakpoints[key];
+
+    it(`returns ${key} when larger than ${size}`, () => {
+      spyOn(bp, 'windowWidth').and.returnValue(size + 10);
+
+      expect(bp.getBreakpointSize()).toBe(key);
+    });
+  });
+});