| // Copyright 2018 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. |
| |
| #![feature(async_await, await_macro, futures_api)] |
| |
| use failure::{format_err, Error, ResultExt}; |
| use fidl_fuchsia_fonts as fonts; |
| use fuchsia_app::client::{App, LaunchOptions, Launcher}; |
| use fuchsia_async::Executor; |
| use fuchsia_zircon as zx; |
| use fuchsia_zircon::AsHandleRef; |
| |
| #[derive(Debug, Eq, PartialEq)] |
| struct FontInfo { |
| vmo_koid: zx::Koid, |
| buffer_id: u32, |
| size: u64, |
| index: u32, |
| } |
| |
| async fn get_font_info( |
| font_provider: &fonts::ProviderProxy, name: Option<String>, language: Option<Vec<String>>, |
| character: char, |
| ) -> Result<FontInfo, Error> { |
| let font = await!(font_provider.get_font(&mut fonts::Request { |
| family: name.clone(), |
| weight: 400, |
| width: 5, |
| slant: fonts::Slant::Upright, |
| character: character as u32, |
| language: language, |
| fallback_group: fonts::FallbackGroup::None, |
| flags: 0, |
| }))?; |
| let font = *font.ok_or_else(|| format_err!("Received empty response for {:?}", name))?; |
| |
| assert!(font.buffer.size > 0); |
| assert!(font.buffer.size <= font.buffer.vmo.get_size()?); |
| |
| let vmo_koid = font.buffer.vmo.as_handle_ref().get_koid()?; |
| Ok(FontInfo { |
| vmo_koid, |
| buffer_id: font.buffer_id, |
| size: font.buffer.size, |
| index: font.font_index, |
| }) |
| } |
| |
| async fn get_font_info_basic( |
| font_provider: &fonts::ProviderProxy, name: Option<String>, |
| ) -> Result<FontInfo, Error> { |
| await!(get_font_info(font_provider, name, None, '\0')) |
| } |
| |
| fn start_provider_with_default_fonts() -> Result<(App, fonts::ProviderProxy), Error> { |
| let launcher = Launcher::new().context("Failed to open launcher service")?; |
| let app = launcher |
| .launch("fuchsia-pkg://fuchsia.com/fonts#meta/fonts.cmx".to_string(), None) |
| .context("Failed to launch fonts::Provider")?; |
| |
| let font_provider = app |
| .connect_to_service(fonts::ProviderMarker) |
| .context("Failed to connect to fonts::Provider")?; |
| |
| Ok((app, font_provider)) |
| } |
| |
| async fn test_basic() -> Result<(), Error> { |
| let (_app, font_provider) = start_provider_with_default_fonts()?; |
| |
| let default = |
| await!(get_font_info_basic(&font_provider, None)).context("Failed to load default font")?; |
| let roboto = await!(get_font_info_basic( |
| &font_provider, |
| Some("Roboto".to_string()) |
| )) |
| .context("Failed to load Roboto")?; |
| let roboto_slab = await!(get_font_info_basic( |
| &font_provider, |
| Some("Roboto Slab".to_string()) |
| )) |
| .context("Failed to load Roboto Slab")?; |
| |
| // Roboto should be returned by default. |
| assert!(default == roboto); |
| |
| // Roboto Slab request should return a different font. |
| assert!(default.vmo_koid != roboto_slab.vmo_koid); |
| assert!(default.buffer_id != roboto_slab.buffer_id); |
| |
| Ok(()) |
| } |
| |
| async fn test_aliases() -> Result<(), Error> { |
| let (_app, font_provider) = start_provider_with_default_fonts()?; |
| |
| // Both requests should return the same font. |
| let robotoslab = await!(get_font_info_basic( |
| &font_provider, |
| Some("RobotoSlab".to_string()) |
| )) |
| .context("Failed to load RobotoSlab")?; |
| let roboto_slab = await!(get_font_info_basic( |
| &font_provider, |
| Some("Roboto Slab".to_string()) |
| )) |
| .context("Failed to load Roboto Slab")?; |
| assert!(robotoslab == roboto_slab); |
| |
| Ok(()) |
| } |
| |
| fn start_provider_with_test_fonts() -> Result<(App, fonts::ProviderProxy), Error> { |
| let mut launch_options = LaunchOptions::new(); |
| launch_options.add_dir_to_namespace( |
| "/test_fonts".to_string(), |
| std::fs::File::open("/system/data/testdata/test_fonts")?, |
| )?; |
| |
| let launcher = Launcher::new().context("Failed to open launcher service")?; |
| let app = launcher |
| .launch_with_options( |
| "fuchsia-pkg://fuchsia.com/fonts#meta/fonts.cmx".to_string(), |
| Some(vec![ |
| "--font-manifest".to_string(), |
| "/test_fonts/manifest.json".to_string(), |
| ]), |
| launch_options, |
| ) |
| .context("Failed to launch fonts::Provider")?; |
| |
| let font_provider = app |
| .connect_to_service(fonts::ProviderMarker) |
| .context("Failed to connect to fonts::Provider")?; |
| |
| Ok((app, font_provider)) |
| } |
| |
| async fn test_font_collections() -> Result<(), Error> { |
| let (_app, font_provider) = start_provider_with_test_fonts()?; |
| |
| // Request Japanese and Simplified Chinese versions of Noto Sans CJK. Both |
| // fonts are part of the same TTC file, so font provider is expected to |
| // return the same buffer with different font index values. |
| let noto_sans_cjk_ja = await!(get_font_info( |
| &font_provider, |
| Some("NotoSansCJK".to_string()), |
| Some(vec!["ja".to_string()]), |
| '\0' |
| )) |
| .context("Failed to load NotoSansCJK font")?; |
| let noto_sans_cjk_sc = await!(get_font_info( |
| &font_provider, |
| Some("NotoSansCJK".to_string()), |
| Some(vec!["zh-Hans".to_string()]), |
| '\0' |
| )) |
| .context("Failed to load NotoSansCJK font")?; |
| |
| assert!(noto_sans_cjk_ja.vmo_koid == noto_sans_cjk_sc.vmo_koid); |
| assert!(noto_sans_cjk_ja.index != noto_sans_cjk_sc.index); |
| |
| Ok(()) |
| } |
| |
| async fn test_fallback() -> Result<(), Error> { |
| let (_app, font_provider) = start_provider_with_test_fonts()?; |
| |
| let noto_sans_cjk_ja = await!(get_font_info( |
| &font_provider, |
| Some("NotoSansCJK".to_string()), |
| Some(vec!["ja".to_string()]), |
| '\0' |
| )) |
| .context("Failed to load NotoSansCJK font")?; |
| |
| let noto_sans_cjk_ja_by_char = await!(get_font_info( |
| &font_provider, |
| Some("Roboto".to_string()), |
| Some(vec!["ja".to_string()]), |
| 'な' |
| )) |
| .context("Failed to load NotoSansCJK font")?; |
| |
| // Same font should be returned in both cases. |
| assert!(noto_sans_cjk_ja == noto_sans_cjk_ja_by_char); |
| |
| Ok(()) |
| } |
| |
| // Verify that the fallback group of the requested font is taken into account for fallback. |
| async fn test_fallback_group() -> Result<(), Error> { |
| let (_app, font_provider) = start_provider_with_test_fonts()?; |
| |
| let noto_serif_cjk_ja = await!(get_font_info( |
| &font_provider, |
| Some("Noto Serif CJK".to_string()), |
| Some(vec!["ja".to_string()]), |
| '\0' |
| )) |
| .context("Failed to load Noto Serif CJK font")?; |
| |
| let noto_serif_cjk_ja_by_char = await!(get_font_info( |
| &font_provider, |
| Some("Roboto Slab".to_string()), |
| Some(vec!["ja".to_string()]), |
| 'な' |
| )) |
| .context("Failed to load Noto Serif CJK font")?; |
| |
| // The query above requested Roboto Slab, so it's expected to return |
| // Noto Serif CJK instead of Noto Sans CJK because Roboto Slab and |
| // Noto Serif CJK are both in serif fallback group. |
| assert!(noto_serif_cjk_ja == noto_serif_cjk_ja_by_char); |
| |
| Ok(()) |
| } |
| |
| async fn test_get_family_info() -> Result<(), Error> { |
| let (_app, font_provider) = start_provider_with_default_fonts()?; |
| |
| let family_info = await!(font_provider.get_family_info("robotoslab"))?; |
| |
| assert!(family_info.is_some()); |
| let family_info = family_info.unwrap(); |
| |
| assert!(family_info.name == "Roboto Slab"); |
| assert!(family_info.styles.len() > 0); |
| |
| Ok(()) |
| } |
| |
| async fn run_tests() -> Result<(), Error> { |
| await!(test_basic())?; |
| await!(test_aliases())?; |
| await!(test_font_collections())?; |
| await!(test_fallback())?; |
| await!(test_fallback_group())?; |
| await!(test_get_family_info())?; |
| |
| Ok(()) |
| } |
| |
| fn main() -> Result<(), Error> { |
| let mut executor = Executor::new().context("Error creating executor")?; |
| |
| executor.run_singlethreaded(run_tests()) |
| } |