83 lines
2.4 KiB
Rust
83 lines
2.4 KiB
Rust
/*
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* Copyright 2015 Nathan Fiedler
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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extern crate magick_rust;
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use magick_rust::{MagickWand, magick_wand_genesis};
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use magick_rust::filters::{FilterType};
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use std::error::Error;
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use std::fs::File;
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use std::io::Read;
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use std::path::Path;
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use std::sync::{Once, ONCE_INIT};
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// Used to make sure MagickWand is initialized exactly once. Note that we
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// do not bother shutting down, we simply exit when the tests are done.
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static START: Once = ONCE_INIT;
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#[test]
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fn test_new_drop() {
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START.call_once(|| {
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magick_wand_genesis();
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});
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MagickWand::new();
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}
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#[test]
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fn test_resize_image() {
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START.call_once(|| {
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magick_wand_genesis();
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});
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let wand = MagickWand::new();
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assert!(wand.read_image("tests/data/IMG_5745.JPG").is_ok());
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assert_eq!(512, wand.get_image_width());
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assert_eq!(384, wand.get_image_height());
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let halfwidth = match wand.get_image_width() {
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1 => 1,
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width => width / 2
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};
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let halfheight = match wand.get_image_height() {
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1 => 1,
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height => height / 2
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};
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wand.resize_image(halfwidth, halfheight, FilterType::LanczosFilter, 1.0);
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assert_eq!(256, wand.get_image_width());
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assert_eq!(192, wand.get_image_height());
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}
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#[test]
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fn test_read_from_blob() {
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START.call_once(|| {
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magick_wand_genesis();
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});
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let wand = MagickWand::new();
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let path = Path::new("tests/data/IMG_5745.JPG");
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let mut file = match File::open(&path) {
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Err(why) => panic!("couldn't open file: {}", Error::description(&why)),
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Ok(file) => file
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};
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let mut data: Vec<u8> = Vec::new();
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match file.read_to_end(&mut data) {
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Err(why) => panic!("couldn't read file: {}", Error::description(&why)),
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Ok(_) => ()
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};
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assert!(wand.read_image_blob(data).is_ok());
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assert_eq!(512, wand.get_image_width());
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assert_eq!(384, wand.get_image_height());
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}
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