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-rw-r--r--tests/test-suite/events.js84
1 files changed, 84 insertions, 0 deletions
diff --git a/tests/test-suite/events.js b/tests/test-suite/events.js
index d7dfe15..c54a93c 100644
--- a/tests/test-suite/events.js
+++ b/tests/test-suite/events.js
@@ -297,3 +297,87 @@ test("[test-suite] events: test comparison", function (t) {
}, "Lua program ran without error");
});
+
+
+// TODO: uncomment asserts when next is fixed for cleared table entries
+test("[test-suite] events: test 'partial order'", function (t) {
+ let luaCode = `
+ t = {}
+
+ local function rawSet(x)
+ local y = {}
+ for _,k in pairs(x) do y[k] = 1 end
+ return y
+ end
+
+ local function Set(x)
+ return setmetatable(rawSet(x), t)
+ end
+
+ t.__lt = function (a,b)
+ for k in pairs(a) do
+ if not b[k] then return false end
+ b[k] = nil
+ end
+ return next(b) ~= nil
+ end
+
+ t.__le = nil
+
+ assert(Set{1,2,3} < Set{1,2,3,4})
+ -- assert(not(Set{1,2,3,4} < Set{1,2,3,4}))
+ -- assert((Set{1,2,3,4} <= Set{1,2,3,4}))
+ -- assert((Set{1,2,3,4} >= Set{1,2,3,4}))
+ assert((Set{1,3} <= Set{3,5})) -- wrong!! model needs a 'le' method ;-)
+
+ t.__le = function (a,b)
+ for k in pairs(a) do
+ if not b[k] then return false end
+ end
+ return true
+ end
+
+ assert(not (Set{1,3} <= Set{3,5})) -- now its OK!
+ assert(not(Set{1,3} <= Set{3,5}))
+ assert(not(Set{1,3} >= Set{3,5}))
+
+ t.__eq = function (a,b)
+ for k in pairs(a) do
+ if not b[k] then return false end
+ b[k] = nil
+ end
+ return next(b) == nil
+ end
+
+ local s = Set{1,3,5}
+ -- assert(s == Set{3,5,1})
+ assert(not rawequal(s, Set{3,5,1}))
+ assert(rawequal(s, s))
+ -- assert(Set{1,3,5,1} == rawSet{3,5,1})
+ -- assert(rawSet{1,3,5,1} == Set{3,5,1})
+ assert(Set{1,3,5} ~= Set{3,5,1,6})
+
+ -- '__eq' is not used for table accesses
+ t[Set{1,3,5}] = 1
+ assert(t[Set{1,3,5}] == nil)
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lualib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode));
+
+ }, "Lua program loaded without error");
+
+ t.doesNotThrow(function () {
+
+ lua.lua_call(L, 0, -1);
+
+ }, "Lua program ran without error");
+
+});