# not found).
installed ls && echo ls installed
installed doesnt-exist && echo doesnt-exist installed
+
# Simulate BSD `which` like on Mac OS X which doesn't use exit codes.
function which() {
echo Mac OS X which for $1 >&2
installed ls && echo ls installed
installed doesnt-exist && echo doesnt-exist installed
+
+# Tests for m4().
+echo "Simple test file for m4.
+IF(TEST,m4)
+ m4
+FI
+IF(TEST,n4)
+ n4
+FI" > tmp/test.m4
+m4 tmp/test -DTEST=m4
+# Remove the line with the current date as it changes every time.
+cat tmp/test | grep -v "It was generated from tmp/test.m4"
+
+# Test multiple arguments to m4().
+echo "Test with multiple arguments passed to m4.
+first: FIRST
+second: SECOND
+" > tmp/test-multiple.m4
+m4 tmp/test-multiple -DFIRST=first -DSECOND=second
+# Remove the line with the current date as it changes every time.
+cat tmp/test-multiple | grep -v "It was generated from tmp/test-multiple.m4"
+
+# Test multiple arguments with spaces to m4().
+echo "Test with multiple arguments with spaces passed to m4.
+first: FIRST
+second: SECOND
+" > tmp/test-multiple-spaces.m4
+m4 tmp/test-multiple-spaces -DFIRST="first with spaces" \
+ -DSECOND="second with spaces"
+# Remove the line with the current date as it changes every time.
+cat tmp/test-multiple-spaces \
+ | grep -v "It was generated from tmp/test-multiple-spaces.m4"
+
# vim: ft=sh