Start moving test suite from tape => jest

1 files changed, 251 insertions, 0 deletions

diff --git a/test/lmathlib.test.js b/test/lmathlib.test.js
new file mode 100644
index 0000000..0ee0b1c
--- /dev/null
+++ b/test/lmathlib.test.js
@@ -0,0 +1,251 @@
+"use strict";
+
+const lua = require('../src/lua.js');
+const lauxlib = require('../src/lauxlib.js');
+const lualib = require('../src/lualib.js');
+const {to_luastring} = require("../src/fengaricore.js");
+
+test('math.abs, math.sin, math.cos, math.tan, math.asin, math.acos, math.atan', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.abs(-10), math.abs(-10.5), math.cos(10), math.tan(10),
+               math.asin(1), math.acos(0.5), math.atan(10)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tointeger(L, -7)).toBe(10);
+    expect(lua.lua_tonumber(L, -6)).toBe(10.5);
+    expect(lua.lua_tonumber(L, -5)).toBe(-0.8390715290764524);
+    expect(lua.lua_tonumber(L, -4)).toBe(0.6483608274590866);
+    expect(lua.lua_tonumber(L, -3)).toBe(1.5707963267948966);
+    expect(lua.lua_tonumber(L, -2)).toBe(1.0471975511965979);
+    expect(lua.lua_tonumber(L, -1)).toBe(1.4711276743037347);
+});
+
+
+test('math.ceil, math.floor', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.ceil(10.5), math.floor(10.5)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tointeger(L, -2)).toBe(11);
+    expect(lua.lua_tointeger(L, -1)).toBe(10);
+});
+
+
+test('math.deg, math.rad', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.deg(10), math.rad(10)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -2)).toBe(572.9577951308232);
+    expect(lua.lua_tonumber(L, -1)).toBe(0.17453292519943295);
+});
+
+
+test('math.log', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.log(10), math.log(10, 2), math.log(10, 10)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -3)).toBe(2.302585092994046);
+    expect(lua.lua_tonumber(L, -2)).toBe(3.321928094887362);
+    expect(lua.lua_tonumber(L, -1)).toBe(1);
+});
+
+
+/* Node.js 6 has incorrect results for Math.exp */
+(parseInt(process.versions.node) > 6 ? test : test.skip)('math.exp', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.exp(10)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -1)).toBe(22026.465794806718);
+});
+
+
+test('math.min, math.max', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.max(10, 5, 23), math.min(10, 5, 23)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -2)).toBe(23);
+    expect(lua.lua_tonumber(L, -1)).toBe(5);
+});
+
+
+test('math.random', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.random(), math.random(10, 15)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    {
+        let r = expect(lua.lua_tonumber(L, -2));
+        r.toBeGreaterThanOrEqual(0);
+        r.toBeLessThanOrEqual(1);
+    }
+    {
+        let r = expect(lua.lua_tonumber(L, -1));
+        r.toBeGreaterThanOrEqual(10);
+        r.toBeLessThanOrEqual(15);
+    }
+});
+
+
+test('math.sqrt', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.sqrt(10)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -1)).toBe(3.1622776601683795);
+});
+
+
+test('math.tointeger', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.tointeger('10')
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -1)).toBe(10);
+});
+
+
+test('math.type', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.type(10), math.type(10.5), math.type('hello')
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tojsstring(L, -3)).toBe("integer");
+    expect(lua.lua_tojsstring(L, -2)).toBe("float");
+    expect(lua.lua_tojsstring(L, -1)).toBe(null);
+});
+
+
+test('math.ult', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.ult(5, 200)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_toboolean(L, -1)).toBe(true);
+});
+
+
+test('math.fmod', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.fmod(2,5)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -1)).toBe(2);
+});
+
+
+test('math.modf', () => {
+    let L = lauxlib.luaL_newstate();
+    if (!L) throw Error("failed to create lua state");
+
+    let luaCode = `
+        return math.modf(3.4, 0.6)
+    `;
+    {
+        lualib.luaL_openlibs(L);
+        expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+        lua.lua_call(L, 0, -1);
+    }
+
+    expect(lua.lua_tonumber(L, -2)).toBe(3);
+    expect(lua.lua_tonumber(L, -1)).toBe(0.3999999999999999);
+});