1 files changed, 59 insertions, 0 deletions
diff --git a/v_windows/v/vlib/encoding/base64/base64_memory_test.v b/v_windows/v/vlib/encoding/base64/base64_memory_test.v
new file mode 100644
index 0000000..be543af
--- /dev/null
+++ b/v_windows/v/vlib/encoding/base64/base64_memory_test.v
@@ -0,0 +1,59 @@
+import encoding.base64
+
+fn test_long_encoding() {
+	repeats := 1000
+	input_size := 3000
+
+	s_original := []byte{len: input_size, init: `a`}
+	s_encoded := base64.encode(s_original)
+	s_encoded_bytes := s_encoded.bytes()
+	s_decoded := base64.decode(s_encoded)
+
+	assert s_encoded.len > s_original.len
+	assert s_original == s_decoded
+
+	ebuffer := unsafe { malloc(s_encoded.len) }
+	dbuffer := unsafe { malloc(s_decoded.len) }
+	defer {
+		unsafe { free(ebuffer) }
+		unsafe { free(dbuffer) }
+	}
+	//
+	encoded_size := base64.encode_in_buffer(s_original, ebuffer)
+	mut encoded_in_buf := []byte{len: encoded_size}
+	unsafe { C.memcpy(encoded_in_buf.data, ebuffer, encoded_size) }
+	assert input_size * 4 / 3 == encoded_size
+	assert encoded_in_buf[0] == `Y`
+	assert encoded_in_buf[1] == `W`
+	assert encoded_in_buf[2] == `F`
+	assert encoded_in_buf[3] == `h`
+
+	assert encoded_in_buf[encoded_size - 4] == `Y`
+	assert encoded_in_buf[encoded_size - 3] == `W`
+	assert encoded_in_buf[encoded_size - 2] == `F`
+	assert encoded_in_buf[encoded_size - 1] == `h`
+
+	assert encoded_in_buf == s_encoded_bytes
+
+	decoded_size := base64.decode_in_buffer(s_encoded, dbuffer)
+	assert decoded_size == input_size
+	mut decoded_in_buf := []byte{len: decoded_size}
+	unsafe { C.memcpy(decoded_in_buf.data, dbuffer, decoded_size) }
+	assert decoded_in_buf == s_original
+
+	mut s := 0
+	for _ in 0 .. repeats {
+		resultsize := base64.encode_in_buffer(s_original, ebuffer)
+		s += resultsize
+		assert resultsize == s_encoded.len
+	}
+
+	for _ in 0 .. repeats {
+		resultsize := base64.decode_in_buffer(s_encoded, dbuffer)
+		s += resultsize
+		assert resultsize == s_decoded.len
+	}
+
+	println('Final s: $s')
+	//	assert s == 39147008
+}