servo/components/gfx/tests/font_template.rs
2018-11-06 22:35:07 +01:00

87 lines
2.5 KiB
Rust

/* 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/. */
#[cfg(not(target_os = "macos"))]
extern crate gfx;
#[cfg(not(target_os = "macos"))]
extern crate servo_atoms;
#[cfg(not(target_os = "macos"))]
extern crate style;
// Test doesn't yet run on Mac, see https://github.com/servo/servo/pull/19928 for explanation.
#[cfg(not(target_os = "macos"))]
#[test]
fn test_font_template_descriptor() {
use gfx::font_context::FontContextHandle;
use gfx::font_template::{FontTemplate, FontTemplateDescriptor};
use servo_atoms::Atom;
use std::fs::File;
use std::io::prelude::*;
use std::path::PathBuf;
use style::values::computed::font::{FontStretch, FontWeight};
use style::values::computed::Percentage;
use style::values::generics::font::FontStyle;
use style::values::generics::NonNegative;
fn descriptor(filename: &str) -> FontTemplateDescriptor {
let mut path: PathBuf = [
env!("CARGO_MANIFEST_DIR"),
"tests",
"support",
"dejavu-fonts-ttf-2.37",
"ttf",
]
.iter()
.collect();
path.push(format!("{}.ttf", filename));
let file = File::open(path).unwrap();
let mut template = FontTemplate::new(
Atom::from(filename),
Some(file.bytes().map(|b| b.unwrap()).collect()),
)
.unwrap();
let context = FontContextHandle::new();
template.descriptor(&context).unwrap()
}
assert_eq!(
descriptor("DejaVuSans"),
FontTemplateDescriptor {
weight: FontWeight::normal(),
stretch: FontStretch::hundred(),
style: FontStyle::Normal,
}
);
assert_eq!(
descriptor("DejaVuSans-Bold"),
FontTemplateDescriptor {
weight: FontWeight::bold(),
stretch: FontStretch::hundred(),
style: FontStyle::Normal,
}
);
assert_eq!(
descriptor("DejaVuSans-Oblique"),
FontTemplateDescriptor {
weight: FontWeight::normal(),
stretch: FontStretch::hundred(),
style: FontStyle::Italic,
}
);
assert_eq!(
descriptor("DejaVuSansCondensed-BoldOblique"),
FontTemplateDescriptor {
weight: FontWeight::bold(),
stretch: FontStretch(NonNegative(Percentage(0.875))),
style: FontStyle::Italic,
}
);
}