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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use euclid::Size2D;
use gfx::display_list::{BaseDisplayItem, WebRenderImageInfo};
use gfx::display_list::{DisplayItem, DisplayList, ImageDisplayItem};
use gfx_traits::Epoch;
use ipc_channel::ipc;
use metrics::{PaintTimeMetrics, ProfilerMetadataFactory};
use msg::constellation_msg::TEST_PIPELINE_ID;
use net_traits::image::base::PixelFormat;
use profile_traits::time::{ProfilerChan, TimerMetadata};
use style::computed_values::image_rendering;
use time;
struct DummyProfilerMetadataFactory {}
impl ProfilerMetadataFactory for DummyProfilerMetadataFactory {
fn new_metadata(&self) -> Option<TimerMetadata> {
None
}
}
#[test]
fn test_paint_metrics_construction() {
let (sender, _) = ipc::channel().unwrap();
let profiler_chan = ProfilerChan(sender);
let (layout_sender, _) = ipc::channel().unwrap();
let (script_sender, _) = ipc::channel().unwrap();
let paint_time_metrics = PaintTimeMetrics::new(TEST_PIPELINE_ID, profiler_chan, layout_sender, script_sender);
assert_eq!(paint_time_metrics.get_navigation_start(), None, "navigation start is None");
assert_eq!(paint_time_metrics.get_first_paint(), None, "first paint is None");
assert_eq!(paint_time_metrics.get_first_contentful_paint(), None, "first contentful paint is None");
}
fn test_common(display_list: &DisplayList, epoch: Epoch) -> PaintTimeMetrics {
let (sender, _) = ipc::channel().unwrap();
let profiler_chan = ProfilerChan(sender);
let (layout_sender, _) = ipc::channel().unwrap();
let (script_sender, _) = ipc::channel().unwrap();
let mut paint_time_metrics = PaintTimeMetrics::new(TEST_PIPELINE_ID, profiler_chan, layout_sender, script_sender);
let dummy_profiler_metadata_factory = DummyProfilerMetadataFactory {};
paint_time_metrics.maybe_observe_paint_time(&dummy_profiler_metadata_factory,
epoch,
&display_list);
// Should not set any metric until navigation start is set.
paint_time_metrics.maybe_set_metric(epoch, 0.);
assert_eq!(paint_time_metrics.get_first_paint(), None, "first paint is None");
assert_eq!(paint_time_metrics.get_first_contentful_paint(), None, "first contentful paint is None");
let navigation_start = time::precise_time_ns() as f64;
paint_time_metrics.set_navigation_start(navigation_start);
assert_eq!(paint_time_metrics.get_navigation_start().unwrap(),
navigation_start, "navigation start is set");
paint_time_metrics
}
#[test]
fn test_first_paint_setter() {
let empty_display_list = DisplayList {
list: Vec::new(),
clip_scroll_nodes: Vec::new(),
};
let epoch = Epoch(0);
let mut paint_time_metrics = test_common(&empty_display_list, epoch);
let now = time::precise_time_ns() as f64;
paint_time_metrics.maybe_set_metric(epoch, now);
assert!(paint_time_metrics.get_first_paint().is_some(), "first paint is set");
assert_eq!(paint_time_metrics.get_first_contentful_paint(), None, "first contentful paint is None");
}
#[test]
fn test_first_contentful_paint_setter() {
let image = DisplayItem::Image(Box::new(ImageDisplayItem {
base: BaseDisplayItem::empty(),
webrender_image: WebRenderImageInfo {
width: 1,
height: 1,
format: PixelFormat::RGB8,
key: None,
},
image_data: None,
stretch_size: Size2D::zero(),
tile_spacing: Size2D::zero(),
image_rendering: image_rendering::T::auto,
}));
let display_list = DisplayList {
list: vec![image],
clip_scroll_nodes: Vec::new(),
};
let epoch = Epoch(0);
let mut paint_time_metrics = test_common(&display_list, epoch);
let now = time::precise_time_ns() as f64;
paint_time_metrics.maybe_set_metric(epoch, now);
assert!(paint_time_metrics.get_first_contentful_paint().is_some(), "first contentful paint is set");
assert!(paint_time_metrics.get_first_paint().is_some(), "first paint is set");
}
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