linux: Add tests.sh to validate fontconfig

For #29

linux/expected-results.test

@@ -0,0 +1,36 @@
+Font: sans
+Vera.ttf: "Bitstream Vera Sans" "Roman"
+EmojiOneColor-SVGinOT.ttf: "Emoji One Color" "Regular"
+
+Font: sans-serif
+Vera.ttf: "Bitstream Vera Sans" "Roman"
+EmojiOneColor-SVGinOT.ttf: "Emoji One Color" "Regular"
+
+Font: serif
+VeraSe.ttf: "Bitstream Vera Serif" "Roman"
+EmojiOneColor-SVGinOT.ttf: "Emoji One Color" "Regular"
+
+Font: mono
+VeraMono.ttf: "Bitstream Vera Sans Mono" "Roman"
+EmojiOneColor-SVGinOT.ttf: "Emoji One Color" "Regular"
+
+Font: monospace
+VeraMono.ttf: "Bitstream Vera Sans Mono" "Roman"
+EmojiOneColor-SVGinOT.ttf: "Emoji One Color" "Regular"
+
+Font: Bitstream Vera Sans
+Vera.ttf: "Bitstream Vera Sans" "Roman"
+EmojiOneColor-SVGinOT.ttf: "Emoji One Color" "Regular"
+
+Font: Bitstream Vera Serif
+VeraSe.ttf: "Bitstream Vera Serif" "Roman"
+EmojiOneColor-SVGinOT.ttf: "Emoji One Color" "Regular"
+
+Font: Bitstream Vera Sans Mono
+VeraMono.ttf: "Bitstream Vera Sans Mono" "Roman"
+EmojiOneColor-SVGinOT.ttf: "Emoji One Color" "Regular"
+
+Font: Emoji One Color
+EmojiOneColor-SVGinOT.ttf: "Emoji One Color" "Regular"
+Vera.ttf: "Bitstream Vera Sans" "Roman"
+

linux/tests.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+# Tests of fontconfig configuration for Bitstream Vera and Emoji One Color.
+#
+# The first two lines of the results of fc-match for each font request are
+# are compared to known correct results. Any differences are shown.
+
+# The test result file
+TMP=current-results.test
+# The expected test result file
+EXPECTED=expected-results.test
+
+FONTS[0]='sans'
+FONTS[1]="sans-serif"
+FONTS[2]="serif"
+FONTS[3]="mono"
+FONTS[4]="monospace"
+FONTS[5]="Bitstream Vera Sans"
+FONTS[6]="Bitstream Vera Serif"
+FONTS[7]="Bitstream Vera Sans Mono"
+FONTS[8]="Emoji One Color"
+
+rm -f $TMP
+
+# Run fc-match against all font values
+for FONT in "${FONTS[@]}"; do
+  echo "Font: $FONT" >> $TMP
+  fc-match -s "$FONT" | head -n2 >> $TMP
+  echo >> $TMP
+done
+
+# Create expected results if missing, aka delete to update.
+if [ ! -f $EXPECTED ]; then
+  cp $TMP $EXPECTED
+  echo "Fontconfig tests: UPDATE"
+  exit 1
+fi
+# Compare current results to expected results
+echo diff $TMP $EXPECTED
+diff -yt $TMP $EXPECTED
+RESULT=$?
+rm $TMP
+
+if [ $RESULT -eq 0 ]; then
+  echo "Fontconfig tests: PASS"
+  exit 0
+else
+  echo "Fontconfig tests: FAIL"
+  exit 1
+fi