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Diffstat (limited to 'tests/llex.js')
-rw-r--r-- | tests/llex.js | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/tests/llex.js b/tests/llex.js new file mode 100644 index 0000000..8b69acc --- /dev/null +++ b/tests/llex.js @@ -0,0 +1,97 @@ +"use strict"; + +const test = require('tape'); +const beautify = require('js-beautify').js_beautify; + +const tests = require("./tests.js"); + +const lapi = require("../src/lapi.js"); +const lauxlib = require("../src/lauxlib.js"); +const llex = require("../src/llex.js"); +const lua = require('../src/lua.js'); +const R = llex.RESERVED; + + +test('basic lexing: TK_RETURN, TK_STRING', function (t) { + let luaCode = ` + return "hello lex !" + `, L; + + t.plan(2); + + let readTokens = []; + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + let ls = new llex.LexState(); + llex.luaX_setinput(L, ls, new llex.MBuffer(luaCode), luaCode, luaCode.charAt(0)); + + llex.luaX_next(ls); + + while (ls.t.token !== R.TK_EOS) { + // console.log(llex.luaX_tokens[ls.t.token - llex.FIRST_RESERVED]); + + readTokens.push(ls.t.token); + llex.luaX_next(ls); + } + + + }, "JS Lua program ran without error"); + + t.deepEqual( + readTokens, + [R.TK_RETURN, R.TK_STRING], + "Correct tokens found" + ); + +}); + + +test('TK_LOCAL, TK_NAME, TK_INT', function (t) { + let luaCode = ` + local f = testing(aBunch) + return "of" + end + + return f("things") + 12 + `, L; + + t.plan(2); + + let readTokens = []; + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + let ls = new llex.LexState(); + llex.luaX_setinput(L, ls, new llex.MBuffer(luaCode), luaCode, luaCode.charAt(0)); + + llex.luaX_next(ls); + + while (ls.t.token !== R.TK_EOS) { + // console.log(ls.t.token >= llex.FIRST_RESERVED ? + // llex.luaX_tokens[ls.t.token - llex.FIRST_RESERVED] + // : ls.t.token); + + readTokens.push(ls.t.token); + llex.luaX_next(ls); + } + + + }, "JS Lua program ran without error"); + + t.deepEqual( + readTokens, + [ + R.TK_LOCAL, R.TK_NAME, '=', R.TK_NAME, '(', R.TK_NAME, ')', + R.TK_RETURN, R.TK_STRING, + R.TK_END, + R.TK_RETURN, R.TK_NAME, '(', R.TK_STRING, ')', '+', R.TK_INT + ], + "Correct tokens found" + ); + +});
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