Start moving test suite from tape => jest

1 files changed, 761 insertions, 0 deletions

diff --git a/test/lexparse.test.js b/test/lexparse.test.js
new file mode 100644
index 0000000..a9407ed
--- /dev/null
+++ b/test/lexparse.test.js
@@ -0,0 +1,761 @@
+"use strict";
+
+const lua     = require('../src/lua.js');
+const lauxlib = require('../src/lauxlib.js');
+const lualib  = require('../src/lualib.js');
+const lstring = require("../src/lstring.js");
+const {to_luastring} = require("../src/fengaricore.js");
+
+// Roughly the same tests as test/lvm.js to cover all opcodes
+test('LOADK, RETURN', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a = "hello world"
+        return a
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tojsstring(L, -1)).toBe("hello world");
+});
+
+
+test('MOVE', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a = "hello world"
+        local b = a
+        return b
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tojsstring(L, -1)).toBe("hello world");
+});
+
+
+test('Binary op', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    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
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(L.stack.slice(L.top - 12, L.top).map(e => e.value))
+        .toEqual([15, -5, 50, 0.5, 5, 9765625.0, 0, 0, 15, 15, 5120, 0]);
+});
+
+
+test('Unary op, LOADBOOL', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a = 5
+        local b = false
+        return -a, not b, ~a
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(L.stack.slice(L.top - 3, L.top).map(e => e.value))
+        .toEqual([-5, true, -6]);
+});
+
+
+test('NEWTABLE', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a = {}
+        return a
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_type(L, -1)).toBe(lua.LUA_TTABLE);
+});
+
+
+test('CALL', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local f = function (a, b)
+            return a + b
+        end
+
+        local c = f(1, 2)
+
+        return c
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tointeger(L, -1)).toBe(3);
+});
+
+test('Multiple return', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local f = function (a, b)
+            return a + b, a - b, a * b
+        end
+
+        local c
+        local d
+        local e
+
+        c, d, e = f(1,2)
+
+        return c, d, e
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(L.stack.slice(L.top - 3, L.top).map(e => e.value))
+        .toEqual([3, -1, 2]);
+});
+
+
+test('TAILCALL', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local f = function (a, b)
+            return a + b
+        end
+
+        return f(1,2)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tointeger(L, -1)).toBe(3);
+});
+
+
+test('VARARG', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local f = function (...)
+            return ...
+        end
+
+        return f(1,2,3)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(L.stack.slice(L.top - 3, L.top).map(e => e.value))
+        .toEqual([1, 2, 3]);
+});
+
+
+test('LE, JMP', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a, b = 1, 1
+
+        return a >= b
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_toboolean(L, -1)).toBe(true);
+});
+
+
+test('LT', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a, b = 1, 1
+
+        return a > b
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_toboolean(L, -1)).toBe(false);
+});
+
+
+test('EQ', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a, b = 1, 1
+
+        return a == b
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_toboolean(L, -1)).toBe(true);
+});
+
+
+test('TESTSET (and)', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a = true
+        local b = "hello"
+
+        return a and b
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tojsstring(L, -1)).toBe("hello");
+});
+
+
+test('TESTSET (or)', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a = false
+        local b = "hello"
+
+        return a or b
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tojsstring(L, -1)).toBe("hello");
+});
+
+
+test('TEST (false)', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a = false
+        local b = "hello"
+
+        if a then
+            return b
+        end
+
+        return "goodbye"
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tojsstring(L, -1)).toBe("goodbye");
+});
+
+
+test('FORPREP, FORLOOP (int)', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local total = 0
+
+        for i = 0, 10 do
+            total = total + i
+        end
+
+        return total
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tointeger(L, -1)).toBe(55);
+});
+
+
+test('FORPREP, FORLOOP (float)', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local total = 0
+
+        for i = 0.5, 10.5 do
+            total = total + i
+        end
+
+        return total
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -1)).toBe(60.5);
+});
+
+
+test('SETTABLE, GETTABLE', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local t = {}
+
+        t[1] = "hello"
+        t["two"] = "world"
+
+        return t
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_topointer(L, -1).strong.get(1).value.jsstring())
+        .toBe("hello");
+    expect(lua.lua_topointer(L, -1).strong.get(lstring.luaS_hash(to_luastring("two"))).value.jsstring())
+        .toBe("world");
+});
+
+
+test('SETUPVAL, GETUPVAL', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local up = "hello"
+
+        local f = function ()
+            upup = "yo"
+            up = "world"
+            return up;
+        end
+
+        return f()
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tojsstring(L, -1)).toBe("world");
+});
+
+
+test('SETTABUP, GETTABUP', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        t = {}
+
+        t[1] = "hello"
+        t["two"] = "world"
+
+        return t
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_topointer(L, -1).strong.get(1).value.jsstring())
+        .toBe("hello");
+    expect(lua.lua_topointer(L, -1).strong.get(lstring.luaS_hash(to_luastring("two"))).value.jsstring())
+        .toBe("world");
+});
+
+
+test('SELF', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local t = {}
+
+        t.value = "hello"
+        t.get = function (self)
+            return self.value
+        end
+
+        return t:get()
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tojsstring(L, -1)).toBe("hello");
+});
+
+
+test('SETLIST', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local t = {1, 2, 3, 4, 5, 6, 7, 8, 9}
+
+        return t
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect([...lua.lua_topointer(L, -1).strong.entries()].map(e => e[1].value.value).sort())
+        .toEqual([1, 2, 3, 4, 5, 6, 7, 8, 9]);
+});
+
+
+test('Variable SETLIST', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local a = function ()
+            return 6, 7, 8, 9
+        end
+
+        local t = {1, 2, 3, 4, 5, a()}
+
+        return t
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect([...lua.lua_topointer(L, -1).strong.entries()].map(e => e[1].value.value).sort())
+        .toEqual([1, 2, 3, 4, 5, 6, 7, 8, 9]);
+});
+
+test('Long SETLIST', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local t = {1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5}
+
+        return t
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect([...lua.lua_topointer(L, -1).strong.entries()].map(e => e[1].value.value).reverse())
+        .toEqual([1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5]);
+});
+
+
+test('TFORCALL, TFORLOOP', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local iterator = function (t, i)
+            i = i + 1
+            local v = t[i]
+            if v then
+                return i, v
+            end
+        end
+
+        local iprs = function(t)
+            return iterator, t, 0
+        end
+
+        local t = {1, 2, 3}
+        local r = 0
+        for k,v in iprs(t) do
+            r = r + v
+        end
+
+        return r
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -1)).toBe(6);
+});
+
+
+test('LEN', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        local t = {[10000] = "foo"}
+        local t2 = {1, 2, 3}
+        local s = "hello"
+
+        return #t, #t2, #s
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -1)).toBe(5);
+    expect(lua.lua_tonumber(L, -2)).toBe(3);
+    expect(lua.lua_tonumber(L, -3)).toBe(0);
+});
+
+
+test('CONCAT', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return "hello " .. 2 .. " you"
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        let reader = function(L, data) {
+            let code = luaCode ? luaCode.trim() : null;
+            luaCode = null;
+            return code ? to_luastring(code) : null;
+        };
+        lua.lua_load(L, reader, luaCode, to_luastring("test"), to_luastring("text"));
+
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tojsstring(L, -1)).toBe("hello 2 you");
+});