tests: Extend "s[p]lice" tests to increase coverage

2 files changed, 13 insertions, 0 deletions

diff --git a/tests/basic-types/arrays.vala b/tests/basic-types/arrays.vala
index ac43c2050..f4777a7a7 100644
--- a/tests/basic-types/arrays.vala
+++ b/tests/basic-types/arrays.vala
@@ -38,6 +38,10 @@ void test_integer_array () {
 	assert (c[0] == 23);
 	assert (c[1] == 11);
 
+	int[]? c0 = a[0:0];
+	assert (c0 == null);
+	assert (c0.length == 0);
+
 	// in expressions
 	assert (23 in a);
 	assert (!(-1 in a));
diff --git a/tests/basic-types/strings.vala b/tests/basic-types/strings.vala
index a4fcda4f7..ecead74c0 100644
--- a/tests/basic-types/strings.vala
+++ b/tests/basic-types/strings.vala
@@ -70,6 +70,9 @@ void test_string_slice () {
 
 	r = s.slice (-7, -5);
 	assert (r == "my");
+
+	r = s.slice (0, 0);
+	assert (r == "");
 }
 
 void test_string_splice () {
@@ -89,6 +92,12 @@ void test_string_splice () {
 
 	s = s.splice (-14, -5);
 	assert (s == "helloworld");
+
+	s = "hello".splice (0, 0);
+	assert (s == "hello");
+
+	s = "world".splice (0, 0, "hello");
+	assert (s == "helloworld");
 }
 
 void test_string_substring () {