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Diffstat (limited to 'tests/ltm.js')
| -rw-r--r-- | tests/ltm.js | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/tests/ltm.js b/tests/ltm.js index 4aec5d9..b3f5e30 100644 --- a/tests/ltm.js +++ b/tests/ltm.js @@ -813,4 +813,258 @@ test('binary __xxx functions in metatable', function (t) { ], "Program output is correct" ); +}); + + +test('__eq', function (t) { + let luaCode = ` + local mt = { + __eq = function (a, b) + return true + end + } + + local t = {} + + -- setmetatable(t, mt) + + return t == {} + `, L; + + t.plan(4); + + t.comment("Running following code: \n" + luaCode); + + // main <hello.lua:0,0> (11 instructions at 0x7fce9fc03210) + // 0+ params, 3 slots, 1 upvalue, 2 locals, 1 constant, 1 function + // 1 [1] NEWTABLE 0 0 1 + // 2 [4] CLOSURE 1 0 ; 0x7fce9fc03440 + // 3 [4] SETTABLE 0 -1 1 ; "__eq" - + // 4 [7] NEWTABLE 1 0 0 + // 5 [11] NEWTABLE 2 0 0 + // 6 [11] EQ 1 1 2 <=== We stop here + // 7 [11] JMP 0 1 ; to 9 + // 8 [11] LOADBOOL 2 0 1 + // 9 [11] LOADBOOL 2 1 0 + // 10 [11] RETURN 2 2 + // 11 [11] RETURN 0 1 + // + // ... + + t.doesNotThrow(function () { + L = getState(luaCode); + }, "Bytecode parsed without errors"); + + L.stack[0].p.code[5].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[5].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, + true, + "Program output is correct" + ); +}); + + +test('__lt', function (t) { + let luaCode = ` + local mt = { + __lt = function (a, b) + return true + end + } + + local t = {} + + -- setmetatable(t, mt) + + return t < {} + `, L; + + t.plan(4); + + t.comment("Running following code: \n" + luaCode); + + // main <hello.lua:0,0> (11 instructions at 0x7fc879d00ac0) + // 0+ params, 3 slots, 1 upvalue, 2 locals, 1 constant, 1 function + // 1 [1] NEWTABLE 0 0 1 + // 2 [4] CLOSURE 1 0 ; 0x7fc879d00d10 + // 3 [4] SETTABLE 0 -1 1 ; "__lt" - + // 4 [7] NEWTABLE 1 0 0 + // 5 [11] NEWTABLE 2 0 0 + // 6 [11] LT 1 1 2 <=== We stop here + // 7 [11] JMP 0 1 ; to 9 + // 8 [11] LOADBOOL 2 0 1 + // 9 [11] LOADBOOL 2 1 0 + // 10 [11] RETURN 2 2 + // 11 [11] RETURN 0 1 + // + // ... + + t.doesNotThrow(function () { + L = getState(luaCode); + }, "Bytecode parsed without errors"); + + L.stack[0].p.code[5].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[5].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, + true, + "Program output is correct" + ); +}); + + +test('__le', function (t) { + let luaCode = ` + local mt = { + __le = function (a, b) + return true + end + } + + local t = {} + + -- setmetatable(t, mt) + + return t <= {} + `, L; + + t.plan(4); + + t.comment("Running following code: \n" + luaCode); + + // main <hello.lua:0,0> (11 instructions at 0x7fc879d00ac0) + // 0+ params, 3 slots, 1 upvalue, 2 locals, 1 constant, 1 function + // 1 [1] NEWTABLE 0 0 1 + // 2 [4] CLOSURE 1 0 ; 0x7fc879d00d10 + // 3 [4] SETTABLE 0 -1 1 ; "__lt" - + // 4 [7] NEWTABLE 1 0 0 + // 5 [11] NEWTABLE 2 0 0 + // 6 [11] LE 1 1 2 <=== We stop here + // 7 [11] JMP 0 1 ; to 9 + // 8 [11] LOADBOOL 2 0 1 + // 9 [11] LOADBOOL 2 1 0 + // 10 [11] RETURN 2 2 + // 11 [11] RETURN 0 1 + // + // ... + + t.doesNotThrow(function () { + L = getState(luaCode); + }, "Bytecode parsed without errors"); + + L.stack[0].p.code[5].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[5].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, + true, + "Program output is correct" + ); +}); + + + + +test('__le that uses __lt', function (t) { + let luaCode = ` + local mt = { + __lt = function (a, b) + return false + end + } + + local t = {} + + -- setmetatable(t, mt) + + return {} <= t + `, L; + + t.plan(4); + + t.comment("Running following code: \n" + luaCode); + + // main <hello.lua:0,0> (11 instructions at 0x7fc879d00ac0) + // 0+ params, 3 slots, 1 upvalue, 2 locals, 1 constant, 1 function + // 1 [1] NEWTABLE 0 0 1 + // 2 [4] CLOSURE 1 0 ; 0x7fc879d00d10 + // 3 [4] SETTABLE 0 -1 1 ; "__lt" - + // 4 [7] NEWTABLE 1 0 0 + // 5 [11] NEWTABLE 2 0 0 + // 6 [11] LE 1 1 2 <=== We stop here + // 7 [11] JMP 0 1 ; to 9 + // 8 [11] LOADBOOL 2 0 1 + // 9 [11] LOADBOOL 2 1 0 + // 10 [11] RETURN 2 2 + // 11 [11] RETURN 0 1 + // + // ... + + t.doesNotThrow(function () { + L = getState(luaCode); + }, "Bytecode parsed without errors"); + + L.stack[0].p.code[5].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[5].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, + true, + "Program output is correct" + ); });
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