From 89e95b3f143682ed9a006991bacf45c9dcba4818 Mon Sep 17 00:00:00 2001 From: ruki Date: Thu, 8 Nov 2018 00:43:05 +0800 Subject: remove node_modules --- .../math-expression-evaluator/test/index.js | 171 --------------------- 1 file changed, 171 deletions(-) delete mode 100755 node_modules/math-expression-evaluator/test/index.js (limited to 'node_modules/math-expression-evaluator/test') diff --git a/node_modules/math-expression-evaluator/test/index.js b/node_modules/math-expression-evaluator/test/index.js deleted file mode 100755 index 235a30d5..00000000 --- a/node_modules/math-expression-evaluator/test/index.js +++ /dev/null @@ -1,171 +0,0 @@ -// This test is for node JS - -var assert = require('assert'); -var a=require("../src/formula_evaluator.js"); -describe('Testing Unit', function () { - it('should equal 2 to check a number', function () { - assert.equal(a.lex("2").toPostfix().postfixEval(),2); - }); - it('checks a math function', function () { - assert.equal(a.lex("tan(180)").toPostfix().postfixEval(),0); - }); - it('checks a parenthesis less function', function () { - assert.equal(a.lex("sin180").toPostfix().postfixEval(),0); - }); - it('checks a parenthesis less function after a space', function () { - assert.equal(a.lex("cos 180").toPostfix().postfixEval(),-1); - }); - it('checks a parenthesis less function after multiple spaces', function () { - assert.equal(a.lex("cos 180").toPostfix().postfixEval(),-1); - }); - it('checks consecutive operator', function () { - assert.equal(a.lex("0+-2").toPostfix().postfixEval(),-2); - }); - it('checks ^ operator', function () { - assert.equal(a.lex("2^2").toPostfix().postfixEval(),4); - }); - it('checks when * is omitted before parenthesis and after', function () { - assert.equal(a.lex("2(7-4)3").toPostfix().postfixEval(),18); - }); - it('checks multiplication and exponential in series', function () { - assert.equal(a.lex("2*7^2").toPostfix().postfixEval(),98); - }); - it('checks exponential and multiplication in series', function () { - assert.equal(a.lex("2^5*2").toPostfix().postfixEval(),64); - }); - it('-3^2=-9', function () { - assert.equal(a.lex("-3^2").toPostfix().postfixEval(),-9); - }); - it('3^2-2^2=5', function () { - assert.equal(a.lex("3^2-2^2").toPostfix().postfixEval(),5); - }); - - it('formula test', function () { - assert.equal(a.lex("2").toPostfix().formulaEval(),2); - }); - it('formula test', function () { - assert.equal(a.lex("sinpi").toPostfix().formulaEval(),"sin(π)"); - }); - it('formula test', function () { - assert.equal(a.lex("cos pi").toPostfix().formulaEval(),"cos(π)"); - }); - it('formula test', function () { - assert.equal(a.lex("tan(pi)").toPostfix().formulaEval(),"tan(π)"); - }); - it('formula test', function () { - assert.equal(a.lex("2(7-4)3").toPostfix().formulaEval(),"(2×(7-4))×3"); - }); - it('test to check the bug when number contains decimal', function () { - assert.equal(a.lex("int2.3").toPostfix().postfixEval(),"2"); - }); - it('test to check auto correct of parenthesis mismatch if opening>closing', function () { - assert.equal(a.lex("(2+(3-4").toPostfix().postfixEval(),"1"); - }); - it('check for negative of a constant', function () { - assert.equal(a.lex("-e").toPostfix().postfixEval(),-Math.E); - }); - it('check for constant inside Sigma', function () { - assert.equal(a.lex("Sigma1,3,2",[{type:3,preced:0,ev:"x",show:"x",token:"x"}]).toPostfix().postfixEval({x:2}),6); - }); - it('check when arithmetic and n are present inside sigma', function () { - assert.equal(a.lex("Sigma1,2,n").toPostfix().postfixEval(),3); - }); - it(' should check when 4C3', function () { - assert.equal(a.lex("4C3").toPostfix().postfixEval(),4); - }); - it('check when arithmetic and n are present inside sigma', function () { - assert.equal(a.lex("Sigma1,2,(n*n)").toPostfix().postfixEval(),5); - }); - - it('check when two parenthesis less functions are consecutive on one parameter', function () { - assert.equal(a.lex("sinint2.5").toPostfix().postfixEval(),a.lex("sin(int(2.5))").toPostfix().postfixEval()); - }); - - it('check eval method with single argument', function () { - assert.equal(a.eval("5*3"),"15"); - }); - it('check eval method with three argument', function () { - assert.equal(a.eval("mexp*3",[{type:3,show:"mexp",token:"mexp",value:"mexp",preced:0}],{mexp:5}),"15"); - }); - it('check eval method with two argument when second one is value of constants', function () { - a.addToken([{type:3,show:"mexp",value:"mexp",preced:0,token:"mexp"}]); - assert.equal(a.eval("mexp*3",{mexp:5}),"15"); - }); - it('check eval method with two argument when second one is value of constants', function () { - a.addToken([{type:0,show:"mexp",value:function(a){return 5*a;},preced:11,token:"mexp"}]); - assert.equal(a.lex("mexp3").toPostfix().postfixEval(),"15"); - }); - it('check eval method with two argument when second one is token list', function () { - assert.equal(a.eval("mexp(3)",[{type:0,show:"mexp(",value:function(a){return 5*a;},preced:11,token:"mexp"}]),"15"); - }); - it('Pi', function () { - assert.equal(a.eval("Pi1,5,n"),"120"); - }); - it('tan5(6+3)', function () { - assert.equal(a.eval("tan5(6+3)"),"1"); - }); - it('tan(40+5)', function () { - assert.equal(a.eval("tan(40+5)"),"1"); - }); - it('checks when a 0 is missing in a decimal number', function () { - assert.equal(a.eval("5*.8"),"4"); - }); - it('checks root function', function () { - assert.equal(a.eval("root4"),"2"); - }); - it('checks + precedence before number insise parenthesis ', function () { - assert.equal(a.eval("(-2)"),"-2"); - }); - it('checks multiple allowable operator', function () { - assert.equal(a.eval("2+++-++-+-+3"),"-1"); - assert.equal(a.eval("2*+3"),"6"); - }); -}); -describe('These expression will check for types of returned result', function () { - it('should tell to compllete expression', function () { - assert.equal(typeof a.eval('0'), 'number') - }); -}); -describe('These expression will raise error', function () { - it('should tell to compllete expression', function () { - try{ - a.eval("2*") - } - catch(e){ - assert.equal(e.message,"complete the expression") - } - }); - it('should warn about multiple operators', function () { - try{ - a.eval("2**3") - } - catch(e){ - assert.equal(e.message,"* is not allowed after *") - } - }); - it('should warn about multiple operators', function () { - try{ - a.eval("2*Mod*3") - } - catch(e){ - assert.equal(e.message,"Mod is not allowed after *") - } - }); - it('should warn about operator inside parenthesis', function () { - try{ - a.eval("(+)") - } - catch(e){ - assert.equal(e.message,") is not allowed after +") - } - }); - it('should warn about operator inside parenthesis', function () { - try{ - a.eval("(+)") - } - catch(e){ - assert.equal(e.message,") is not allowed after +") - } - }); - -}); -- cgit v1.2.3