diff options
Diffstat (limited to 'games/devtest')
| -rw-r--r-- | games/devtest/mods/unittests/misc.lua | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/games/devtest/mods/unittests/misc.lua b/games/devtest/mods/unittests/misc.lua index 4811c8008..8ac3ed110 100644 --- a/games/devtest/mods/unittests/misc.lua +++ b/games/devtest/mods/unittests/misc.lua @@ -80,3 +80,26 @@ unittests.register("test_punch_node", function(_, pos) minetest.remove_node(pos) -- currently failing: assert(on_punch_called) end, {map=true}) + +local function test_compress() + -- This text should be compressible, to make sure the results are... normal + local text = "The\000 icey canoe couldn't move very well on the\128 lake. The\000 ice was too stiff and the icey canoe's paddles simply wouldn't punch through." + local methods = { + "deflate", + "zstd", + -- "noodle", -- for warning alarm test + } + local zstd_magic = string.char(0x28, 0xB5, 0x2F, 0xFD) + for _, method in ipairs(methods) do + local compressed = core.compress(text, method) + assert(core.decompress(compressed, method) == text, "input/output mismatch for compression method " .. method) + local has_zstd_magic = compressed:sub(1, 4) == zstd_magic + if method == "zstd" then + assert(has_zstd_magic, "zstd magic number not in zstd method") + else + assert(not has_zstd_magic, "zstd magic number in method " .. method .. " (which is not zstd)") + end + end +end +unittests.register("test_compress", test_compress) + |