diff options
| -rw-r--r-- | spec/util_cache_spec.lua | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/spec/util_cache_spec.lua b/spec/util_cache_spec.lua index 7a5522b8..2cb7b7dd 100644 --- a/spec/util_cache_spec.lua +++ b/spec/util_cache_spec.lua @@ -4,6 +4,20 @@ local cache = require "util.cache"; describe("util.cache", function() describe("#new()", function() it("should work", function() + do + local c = cache.new(1); + assert.is_not_nil(c); + + assert.has_error(function () + cache.new(0); + end); + assert.has_error(function () + cache.new(-1); + end); + assert.has_error(function () + cache.new("foo"); + end); + end local c = cache.new(5); @@ -336,5 +350,43 @@ describe("util.cache", function() assert.spy(i).was_called_with("c", "3"); assert.spy(i).was_called_with("d", "4"); end); + + local function vs(t) + local vs_ = {}; + for v in t:values() do + vs_[#vs_+1] = v; + end + return vs_; + end + + it(":values works", function () + local t = cache.new(3); + t:set("k1", "v1"); + t:set("k2", "v2"); + assert.same({"v2", "v1"}, vs(t)); + t:set("k3", "v3"); + assert.same({"v3", "v2", "v1"}, vs(t)); + t:set("k4", "v4"); + assert.same({"v4", "v3", "v2"}, vs(t)); + end); + + it(":resize works", function () + local c = cache.new(5); + for i = 1, 5 do + c:set(("k%d"):format(i), ("v%d"):format(i)); + end + assert.same({"v5", "v4", "v3", "v2", "v1"}, vs(c)); + assert.has_error(function () + c:resize(-1); + end); + assert.has_error(function () + c:resize(0); + end); + assert.has_error(function () + c:resize("foo"); + end); + c:resize(3); + assert.same({"v5", "v4", "v3"}, vs(c)); + end); end); end); |