blob: 22243292a714337eabe65707367fc9075e504f2d [file] [log] [blame]
// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#![cfg(test)]
use {
char_set::CharSet,
failure::{format_err, Error},
font_info::{FontAssetSource, FontInfo, FontInfoLoaderImpl},
std::path::Path,
};
/// Returns `"{output_dir}/test_data/font_info/sample_font.ttf"`.
#[cfg(not(target_os = "fuchsia"))]
fn font_path() -> Result<String, Error> {
use std::env;
assert!(!Path::new("/pkg/data").exists(), "/pkg/data should not exist on host");
let relative_font_path = "test_data/font_info/sample_font.ttf";
let mut path = env::current_exe().unwrap();
// We don't know exactly where the binary is in the out directory (varies by target platform and
// architecture), so search up the file tree for the sample font.
loop {
if path.join(relative_font_path).exists() {
path.push(relative_font_path);
break Ok(path.to_str().unwrap().to_string());
}
if !path.pop() {
// Reached the root of the file system
break Err(format_err!(
"Couldn't find {:?} near {:?}",
relative_font_path,
env::current_exe().unwrap()
));
}
}
}
#[cfg(target_os = "fuchsia")]
fn font_path() -> Result<String, Error> {
let font_path = "/pkg/data/sample_font.ttf";
if Path::new(font_path).exists() {
Ok(font_path.to_string())
} else {
Err(format_err!("{} missing on Fuchsia", font_path))
}
}
#[test]
fn test_load_font_info_from_file() -> Result<(), Error> {
let loader = FontInfoLoaderImpl::new()?;
let source = FontAssetSource::FilePath(font_path()?);
println!("Loading font from {:?}", &source);
let actual = loader.load_font_info(source, 0)?;
let expected = FontInfo {
char_set: CharSet::new(vec![
0x0, 0x0d, 0x20, 0x28, 0x29, 0x2c, 0x30, 0x31, 0x32, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46,
]),
};
assert_eq!(actual, expected);
Ok(())
}