Improve branch coverage.

git-svn-id: http://svn.drobilla.net/serd/trunk@442 490d8e77-9747-427b-9fa3-0b8f29cee8a0

src/uri.c

@@ -325,7 +325,7 @@ merge(SerdChunk* base, SerdChunk* path)
 	const uint8_t* begin = remove_dot_segments(path->buf, path->len, &up);
 	const uint8_t* end   = path->buf + path->len;
 
-	if (base->buf && base->len > 0) {
+	if (base->len) {
 		// Find the up'th last slash
 		const uint8_t* base_last = (base->buf + base->len - 1);
 		++up;

tests/serd_test.c

@@ -398,7 +398,9 @@ main(void)
 	SerdNode base = serd_node_new_uri_from_string(USTR("http://example.org/"),
 	                                              NULL, &base_uri);
 	SerdNode nil = serd_node_new_uri_from_string(NULL, &base_uri, NULL);
-	if (nil.type != SERD_URI || strcmp((const char*)nil.buf, (const char*)base.buf)) {
+	SerdNode nil2 = serd_node_new_uri_from_string(USTR(""), &base_uri, NULL);
+	if (nil.type != SERD_URI || strcmp((const char*)nil.buf, (const char*)base.buf) ||
+	    nil2.type != SERD_URI || strcmp((const char*)nil2.buf, (const char*)base.buf)) {
 		return failure("URI %s != base %s\n", nil.buf, base.buf);
 	}
 	serd_node_free(&base);
@@ -416,6 +418,10 @@ main(void)
 		return failure("Set base URI to %s\n", node.buf);
 	}
 
+	if (!serd_node_equals(serd_env_get_base_uri(env, NULL), &node)) {
+		return failure("Base URI mismatch\n");
+	}
+
 	SerdChunk prefix, suffix;
 	if (!serd_env_expand(env, &b, &prefix, &suffix)) {
 		return failure("Expanded invalid curie %s\n", b.buf);