fs: further document and test behavior

1 files changed, 12 insertions, 0 deletions

diff --git a/test cases/common/227 fs module/meson.build b/test cases/common/227 fs module/meson.build
index 75f4a99..f111d46 100644
--- a/test cases/common/227 fs module/meson.build
+++ b/test cases/common/227 fs module/meson.build
@@ -27,6 +27,18 @@ original = 'foo.txt'
 new = fs.with_suffix(original, '.ini')
 assert(new.endswith('foo.ini') and not new.contains('.txt'), 'with_suffix failed')
 
+original = 'foo'
+new = fs.with_suffix(original, '.ini')
+assert(new.endswith('foo.ini'), 'with_suffix did not add suffix to suffixless file')
+
+original = 'foo.dll.a'
+new = fs.with_suffix(original, '.so')
+assert(new.endswith('foo.dll.so'), 'with_suffix did not only modify last suffix')
+
+original = 'foo.dll'
+new = fs.with_suffix(original, '')
+assert(new.endswith('foo'), 'with_suffix did not only delete last suffix')
+
 # `/` on windows is interpreted like `.drive` which in general may not be `c:/`
 # the files need not exist for fs.with_suffix()
 original = is_windows ? 'j:/foo/bar.txt' : '/foo/bar.txt'