diff options
| -rw-r--r-- | README.md | 6 | ||||
| -rw-r--r-- | tests/ltm.js | 74 |
2 files changed, 75 insertions, 5 deletions
@@ -22,7 +22,6 @@ - [x] `__gc` (unavailable) - [x] `__mode` (unavailable) - [ ] `__len` - - [ ] `__eq` - [x] `__add` - [x] `__sub` - [x] `__mul` @@ -35,8 +34,9 @@ - [x] `__bxor` - [x] `__shl` - [x] `__shr` - - [ ] `__unm` - - [ ] `__bnot` + - [x] `__unm` + - [x] `__bnot` + - [x] `__eq` - [x] `__lt` - [x] `__le` - [ ] `__concat` diff --git a/tests/ltm.js b/tests/ltm.js index b3f5e30..8a20f67 100644 --- a/tests/ltm.js +++ b/tests/ltm.js @@ -1005,8 +1005,6 @@ test('__le', function (t) { }); - - test('__le that uses __lt', function (t) { let luaCode = ` local mt = { @@ -1067,4 +1065,76 @@ test('__le that uses __lt', function (t) { true, "Program output is correct" ); +}); + + +test('__unm, __bnot', function (t) { + let luaCode = ` + local mt = { + __unm = function (a) + return "hello" + end, + + __bnot = function (a) + return "world" + end + } + + local t = {} + + -- setmetatable(t, mt) + + return -t, ~t + `, L; + + t.plan(5); + + t.comment("Running following code: \n" + luaCode); + + // main <hello.lua:0,0> (10 instructions at 0x7ff10e403210) + // 0+ params, 4 slots, 1 upvalue, 2 locals, 2 constants, 2 functions + // 1 [1] NEWTABLE 0 0 2 + // 2 [4] CLOSURE 1 0 ; 0x7ff10e403440 + // 3 [4] SETTABLE 0 -1 1 ; "__unm" - + // 4 [8] CLOSURE 1 1 ; 0x7ff10e4033c0 + // 5 [8] SETTABLE 0 -2 1 ; "__bnot" - + // 6 [11] NEWTABLE 1 0 0 + // 7 [15] UNM 2 1 <=== We stop here + // 8 [15] BNOT 3 1 + // 9 [15] RETURN 2 3 + // 10 [15] RETURN 0 1 + // + // ... + + t.doesNotThrow(function () { + L = getState(luaCode); + }, "Bytecode parsed without errors"); + + L.stack[0].p.code[6].breakpoint = true; + + t.doesNotThrow(function () { + ldo.luaD_call(L, 0, -1); + }, "First part of the program executed without errors"); + + L.ci.pcOff--; + L.stack[0].p.code[6].breakpoint = false; + + t.comment("We manually set t's metatable to mt"); + L.stack[2].metatable = L.stack[1]; + + t.doesNotThrow(function () { + VM.luaV_execute(L); + }, "Second part of the program executed without errors"); + + t.strictEqual( + L.stack[L.top - 1].value, + "world", + "Program output is correct" + ); + + t.strictEqual( + L.stack[L.top - 2].value, + "hello", + "Program output is correct" + ); });
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