summaryrefslogtreecommitdiff
path: root/tests/lexparse.js
blob: 1a1a7b3b0b2d67b86332ad4978db5b787f0f930e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
"use strict";

const test       = require('tape');
const beautify   = require('js-beautify').js_beautify;

const tests      = require("./tests.js");
const toByteCode = tests.toByteCode;

const lapi       = require("../src/lapi.js");
const lauxlib    = require("../src/lauxlib.js");
const linit      = require('../src/linit.js');

// Roughly the same tests as test/lvm.js to cover all opcodes

test('LOADK, RETURN', function (t) {
    let luaCode = `
        local a = "hello world"
        return a
    `, L;
    
    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        linit.luaL_openlibs(L);

        lapi.lua_load(L, null, luaCode, "test", "text");

        lapi.lua_call(L, 0, -1);

    }, "JS Lua program ran without error");

    t.strictEqual(
        lapi.lua_tostring(L, -1),
        "hello world",
        "Correct element(s) on the stack"
    );

});


test('MOVE', function (t) {
    let luaCode = `
        local a = "hello world"
        local b = a
        return b
    `, L;
    
    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        linit.luaL_openlibs(L);

        lapi.lua_load(L, null, luaCode, "test", "text");

        lapi.lua_call(L, 0, -1);

    }, "JS Lua program ran without error");

    t.strictEqual(
        lapi.lua_tostring(L, -1),
        "hello world",
        "Correct element(s) on the stack"
    );

});


test('Binary op', function (t) {
    let luaCode = `
        local a = 5
        local b = 10
        return a + b, a - b, a * b, a / b, a % b, a^b, a // b, a & b, a | b, a ~ b, a << b, a >> b
    `, L;
    
    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        linit.luaL_openlibs(L);

        lapi.lua_load(L, null, luaCode, "test", "text");

        lapi.lua_call(L, 0, -1);

    }, "JS Lua program ran without error");

    t.deepEqual(
        L.stack.slice(L.top - 12, L.top).map(e => e.value),
        [15, -5, 50, 0.5, 5, 9765625.0, 0, 0, 15, 15, 5120, 0],
        "Program output is correct"
    );

});


test('Unary op, LOADBOOL', function (t) {
    let luaCode = `
        local a = 5
        local b = false
        return -a, not b, ~a
    `, L;
    
    t.plan(1);

    // t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        linit.luaL_openlibs(L);

        lapi.lua_load(L, null, luaCode, "test", "text");

        lapi.lua_call(L, 0, -1);

    // }, "JS Lua program ran without error");

    t.deepEqual(
        L.stack.slice(L.top - 3, L.top).map(e => e.value),
        [-5, true, -6],
        "Program output is correct"
    );
});