diff options
Diffstat (limited to 'devtools/client/responsive/test/xpcshell/test_change_pixel_ratio.js')
-rw-r--r-- | devtools/client/responsive/test/xpcshell/test_change_pixel_ratio.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/devtools/client/responsive/test/xpcshell/test_change_pixel_ratio.js b/devtools/client/responsive/test/xpcshell/test_change_pixel_ratio.js new file mode 100644 index 0000000000..d462cf39cc --- /dev/null +++ b/devtools/client/responsive/test/xpcshell/test_change_pixel_ratio.js @@ -0,0 +1,27 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; + +// Test changing the viewport pixel ratio. + +const { + addViewport, + changePixelRatio, +} = require("resource://devtools/client/responsive/actions/viewports.js"); +const NEW_PIXEL_RATIO = 5.5; + +add_task(async function () { + const store = Store(); + const { getState, dispatch } = store; + + dispatch(addViewport()); + dispatch(changePixelRatio(0, NEW_PIXEL_RATIO)); + + const viewport = getState().viewports[0]; + equal( + viewport.pixelRatio, + NEW_PIXEL_RATIO, + `Viewport's pixel ratio changed to ${NEW_PIXEL_RATIO}` + ); +}); |