1 files changed, 83 insertions, 0 deletions
diff --git a/tests/lmathlib.js b/tests/lmathlib.js
new file mode 100644
index 0000000..4c886f1
--- /dev/null
+++ b/tests/lmathlib.js
@@ -0,0 +1,83 @@
+/*jshint esversion: 6 */
+"use strict";
+
+const test       = require('tape');
+const beautify   = require('js-beautify').js_beautify;
+
+const tests      = require("./tests.js");
+const getState   = tests.getState;
+const toByteCode = tests.toByteCode;
+
+const VM         = require("../src/lvm.js");
+const ldo        = require("../src/ldo.js");
+const lapi       = require("../src/lapi.js");
+const lauxlib    = require("../src/lauxlib.js");
+const lua        = require('../src/lua.js');
+const linit      = require('../src/linit.js');
+const lstate     = require('../src/lstate.js');
+const CT         = lua.constant_types;
+
+
+test('math.abs, math.sin, math.cos, math.tan, math.asin, math.acos, math.atan', function (t) {
+    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)
+    `, L;
+    
+    t.plan(8);
+
+    t.doesNotThrow(function () {
+
+        let bc = toByteCode(luaCode).dataView;
+
+        L = lauxlib.luaL_newstate();
+
+        linit.luaL_openlibs(L);
+
+        lapi.lua_load(L, bc, "test-math.abs");
+
+        lapi.lua_call(L, 0, -1);
+
+    }, "JS Lua program ran without error");
+
+    t.strictEqual(
+        lapi.lua_tointeger(L, -7),
+        10,
+        "Correct element(s) on the stack"
+    );
+
+    t.strictEqual(
+        lapi.lua_tonumber(L, -6),
+        10.5,
+        "Correct element(s) on the stack"
+    );
+
+    t.strictEqual(
+        lapi.lua_tonumber(L, -5),
+        -0.8390715290764524,
+        "Correct element(s) on the stack"
+    );
+
+    t.strictEqual(
+        lapi.lua_tonumber(L, -4),
+        0.6483608274590866,
+        "Correct element(s) on the stack"
+    );
+
+    t.strictEqual(
+        lapi.lua_tonumber(L, -3),
+        1.5707963267948966,
+        "Correct element(s) on the stack"
+    );
+
+    t.strictEqual(
+        lapi.lua_tonumber(L, -2),
+        1.0471975511965979,
+        "Correct element(s) on the stack"
+    );
+
+    t.strictEqual(
+        lapi.lua_tonumber(L, -1),
+        1.4711276743037347,
+        "Correct element(s) on the stack"
+    );
+});
+\ No newline at end of file