don't use variable length or zero-length arrays in test files

as some compilers don't handle that

1 files changed, 4 insertions, 4 deletions

diff --git a/tests/test_base64.cpp b/tests/test_base64.cpp
index c95e3c9..6f80acf 100644
--- a/tests/test_base64.cpp
+++ b/tests/test_base64.cpp
@@ -14,7 +14,7 @@ std::size_t input_length = sizeof(input) - 1;
 std::size_t output_length = olm::encode_base64_length(input_length);
 assert_equals(std::size_t(15), output_length);
 
-std::uint8_t output[output_length];
+std::uint8_t output[15];
 olm::encode_base64(input, input_length, output);
 assert_equals(expected_output, output, output_length);
 }
@@ -29,7 +29,7 @@ std::size_t input_length = sizeof(input) - 1;
 std::size_t output_length = ::_olm_encode_base64_length(input_length);
 assert_equals(std::size_t(15), output_length);
 
-std::uint8_t output[output_length];
+std::uint8_t output[15];
 output_length = ::_olm_encode_base64(input, input_length, output);
 assert_equals(std::size_t(15), output_length);
 assert_equals(expected_output, output, output_length);
@@ -45,7 +45,7 @@ std::size_t input_length = sizeof(input) - 1;
 std::size_t output_length = olm::decode_base64_length(input_length);
 assert_equals(std::size_t(11), output_length);
 
-std::uint8_t output[output_length];
+std::uint8_t output[11];
 olm::decode_base64(input, input_length, output);
 assert_equals(expected_output, output, output_length);
 }
@@ -60,7 +60,7 @@ std::size_t input_length = sizeof(input) - 1;
 std::size_t output_length = ::_olm_decode_base64_length(input_length);
 assert_equals(std::size_t(11), output_length);
 
-std::uint8_t output[output_length];
+std::uint8_t output[11];
 output_length = ::_olm_decode_base64(input, input_length, output);
 assert_equals(std::size_t(11), output_length);
 assert_equals(expected_output, output, output_length);