test: slre: add more test cases

Add some tests for the "drop wrong anchored optimization". Without
the previous commit, the first, fifth and seventh of these would fail,
i.e. those:

	{ "xby", "^a|b", 1},
	{ "", "x*$", 1},
	{ "yy", "x*$", 1},

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Rasmus Villemoes <ravi@prevas.dk>

diff --git a/test/lib/slre.c b/test/lib/slre.c
index 51a50b2..b76d334 100644 (file)
--- a/test/lib/slre.c
+++ b/test/lib/slre.c
@@ -15,6 +15,14 @@ static const struct re_test re_test[] = {
        { "x23", "^\\d+$", 0},
        { "banana", "^([bn]a)*$", 1},
        { "panama", "^([bn]a)*$", 0},
+       { "xby", "^a|b", 1},
+       { "xby", "b|^a", 1},
+       { "xby", "b|c$", 1},
+       { "xby", "c$|b", 1},
+       { "", "x*$", 1},
+       { "", "^x*$", 1},
+       { "yy", "x*$", 1},
+       { "yy", "^x*$", 0},
        {}
 };