docker-library/openjdk#46

.gitignore

*.class

00_README.md

Test for docker-library/openjdk#46

Clone this gist:

$ git clone https://gist.github.com/7fb07efafee3802da457.git java-8-jre-font-test

Change to the test directory:

$ cd java-8-jre-font-test

Default test runs with java:8-jre:

$ ./test.sh

Run with java:7-jre:

$ ./test.sh 7

Run with java:8-jdk:

$ ./test.sh 8-jdk

Test.java

import java.awt.*;
import java.io.*;

public class Test {
	public static void main(String... argz) throws Exception {
		boolean headless = GraphicsEnvironment.getLocalGraphicsEnvironment().isHeadless();
		System.out.println(String.format("Headless: %s", headless));
		Font.createFont(Font.TRUETYPE_FONT, new File("test.ttf")).deriveFont(Font.TRUETYPE_FONT, 20F);
	}
}

test.sh

#!/bin/bash

set -ueo pipefail

RUN_IMAGE="java:8-jre"
if [ $# -gt 0 ]; then
	RUN_IMAGE="$1"
fi

if ! [[ "$RUN_IMAGE" = java:* ]]; then
	RUN_IMAGE="java:$RUN_IMAGE"
fi

if ! [[ "$RUN_IMAGE" = *-* ]]; then
	RUN_IMAGE+="-jre"
fi

if [[ "$RUN_IMAGE" = *-jdk ]]; then
	COMPILE_IMAGE="${RUN_IMAGE}"
else
	COMPILE_IMAGE="${RUN_IMAGE%-jre}-jdk"
fi

PWD="$(pwd)"

set -x
rm -f Test*.class
docker pull "$COMPILE_IMAGE" > /dev/null
docker run --rm -v "$PWD:/work" -w /work "$COMPILE_IMAGE" javac Test.java

docker pull "$RUN_IMAGE" > /dev/null
docker run --rm -v "$PWD:/work" -w /work "$RUN_IMAGE" java -cp . Test || \
docker run --rm -v "$PWD:/work" -w /work "$RUN_IMAGE" sh -c ' \
		set -x \
		&& apt-get update \
		&& apt-get install -y libfontconfig1 \
		&& java -cp . Test \
	'

test.ttf