diff options
Diffstat (limited to 'tools/generate_format_spec.lua')
| -rw-r--r-- | tools/generate_format_spec.lua | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/tools/generate_format_spec.lua b/tools/generate_format_spec.lua new file mode 100644 index 00000000..359986f7 --- /dev/null +++ b/tools/generate_format_spec.lua @@ -0,0 +1,52 @@ +local format = require"util.format".format; +local dump = require"util.serialization".new("oneline") +local types = { + "nil"; + "boolean"; + "number"; + "string"; + "function"; + -- "userdata"; + "thread"; + "table"; +}; +local example_values = { + ["nil"] = { n = 1; nil }; + ["boolean"] = { true; false }; + ["number"] = { 97; -12345; 1.5; 73786976294838206464; math.huge; 2147483647 }; + ["string"] = { "hello"; "foo \1\2\3 bar"; "nödåtgärd"; string.sub("nödåtgärd", 1, -4) }; + ["function"] = { function() end }; + -- ["userdata"] = {}; + ["thread"] = { coroutine.create(function() end) }; + ["table"] = { {}, setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end}) }; +}; +local example_strings = setmetatable({ + ["nil"] = { "nil" }; + ["function"] = { "function() end" }; + ["number"] = { "97"; "-12345"; "1.5"; "73786976294838206464"; "math.huge"; "2147483647" }; + ["thread"] = { "coroutine.create(function() end)" }; + ["table"] = { "{ }", "setmetatable({},{__tostring=function ()return \"foo \\1\\2\\3 bar\"end})" } +}, { __index = function() return {} end }); +for _, lua_type in ipairs(types) do + print(string.format("\t\tdescribe(\"%s\", function ()", lua_type)); + local examples = example_values[lua_type]; + for fmt in ("cdiouxXaAeEfgGqs"):gmatch(".") do + print(string.format("\t\t\tdescribe(\"to %%%s\", function ()", fmt)); + print("\t\t\t\tit(\"works\", function ()"); + for i = 1, examples.n or #examples do + local example = examples[i]; + if not tostring(example):match("%w+: 0[xX]%x+") then + print(string.format("\t\t\t\t\tassert.equal(%q, format(%q, %s))", format("%" .. fmt, example), "%" .. fmt, + example_strings[lua_type][i] or dump(example))); + else + print(string.format("\t\t\t\t\tassert.matches(\"[%s: 0[xX]%%x+]\", format(%q, %s))", lua_type, "%" .. fmt, + example_strings[lua_type][i] or dump(example))); + end + end + print("\t\t\t\tend);"); + print("\t\t\tend);"); + print() + end + print("\t\tend);"); + print() +end |