Software /
code /
prosody
File
spec/util_ringbuffer_spec.lua @ 11710:26a8cc9d9eb7
net.resolvers.service: Only do DANE with secure SRV records
If this seems backwards, that' because it is but the API isn't really
designed to easily pass along details from each resolution step onto the
next.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 18 Jul 2021 23:25:45 +0200 |
parent | 10960:f84e0e2faae2 |
line wrap: on
line source
local rb = require "util.ringbuffer"; describe("util.ringbuffer", function () describe("#new", function () it("has a constructor", function () assert.Function(rb.new); end); it("can be created", function () assert.truthy(rb.new()); end); it("won't create an empty buffer", function () assert.has_error(function () rb.new(0); end); end); it("won't create a negatively sized buffer", function () assert.has_error(function () rb.new(-1); end); end); end); describe(":write", function () local b = rb.new(); it("works", function () assert.truthy(b:write("hi")); end); end); describe(":discard", function () local b = rb.new(); it("works", function () assert.truthy(b:write("hello world")); assert.truthy(b:discard(6)); assert.equal(5, #b); assert.equal("world", b:read(5)); end); end); describe(":sub", function () -- Helper function to compare buffer:sub() with string:sub() local function test_sub(b, x, y) local s = b:read(#b, true); local string_result, buffer_result = s:sub(x, y), b:sub(x, y); assert.equals(string_result, buffer_result, ("buffer:sub(%d, %s) does not match string:sub()"):format(x, y and ("%d"):format(y) or "nil")); end it("works", function () local b = rb.new(); assert.truthy(b:write("hello world")); assert.equals("hello", b:sub(1, 5)); end); it("supports optional end parameter", function () local b = rb.new(); assert.truthy(b:write("hello world")); assert.equals("hello world", b:sub(1)); assert.equals("world", b:sub(-5)); end); it("is equivalent to string:sub", function () local b = rb.new(6); assert.truthy(b:write("foobar")); b:read(3); b:write("foo"); for i = -13, 13 do for j = -13, 13 do test_sub(b, i, j); end end end); end); describe(":byte", function () -- Helper function to compare buffer:byte() with string:byte() local function test_byte(b, x, y) local s = b:read(#b, true); local string_result, buffer_result = {s:byte(x, y)}, {b:byte(x, y)}; assert.same(string_result, buffer_result, ("buffer:byte(%d, %s) does not match string:byte()"):format(x, y and ("%d"):format(y) or "nil")); end it("is equivalent to string:byte", function () local b = rb.new(6); assert.truthy(b:write("foobar")); b:read(3); b:write("foo"); test_byte(b, 1); test_byte(b, 3); test_byte(b, -1); test_byte(b, -3); for i = -13, 13 do for j = -13, 13 do test_byte(b, i, j); end end end); it("works with characters > 127", function () local b = rb.new(); b:write(string.char(0, 140)); local r = { b:byte(1, 2) }; assert.same({ 0, 140 }, r); end); end); end);