expr/t_expr_test.go

// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
// All rights reserved.

// t_expr_test.go
package expr

import (
	"testing"
)

func TestExpr(t *testing.T) {
	section := "Expr"

	inputs := []inputType{
		/*   1 */ {`0?{}`, nil, nil},
		/*   2 */ {`fact=func(n){(n)?{1}::{n*fact(n-1)}}; fact(5)`, int64(120), nil},
		/*   3 */ {`builtin "os.file"; f=fileOpen("test-file.txt"); line=fileReadText(f); fileClose(f); line`, "uno", nil},
		/*   4 */ {`mynot=func(v){int(v)?{true}::{false}}; mynot(0)`, true, nil},
		/*   5 */ {`1 ? {1} : [1+0] {3*(1+1)}`, int64(6), nil},
		/*   6 */ {`a=3; a+=1`, int64(4), nil},
		/*   7 */ {`a=3; a-=1`, int64(2), nil},
		/*   8 */ {`a=3; a*=2`, int64(6), nil},
		/*   9 */ {`v=[10,20,30]; v[0]+=1; v[0]`, int64(11), nil},
		/*  10 */ {`r={"a":10}; r["a"]+=1; r["a"]`, int64(11), nil},
		/*  11 */ {`a=3; a/=2`, nil, `[1:8] left operand of "=" must be a variable or a collection's item`},
		/*  12 */ {`*=2`, nil, `[1:2] left operand of "*=" must be a variable or a variable expression`},
		/*  13 */ {`a=3; a*=2+1; a`, int64(9), nil},
		/*  14 */ {`a=3; (a*=2)+1; a`, int64(6), nil},
		/*  15 */ {`a=3; a*=2)+1; a`, nil, `[1:11] unexpected token ")"`},
		/*  16 */ {`v=[2]; a=1; v[a-=1]=5; v[0]`, int64(5), nil},
		/*  17 */ {`
		ds={
			"init":func(@end){@current=0 but true},
			//"current":func(){current},
			"next":func(){
				((next=current+1) <= end) ? [true] {@current=next but current} :: {nil}
			}
		};
		it=$(ds,3);
		it++;
		it++
`, int64(1), nil},
	}
	// t.Setenv("EXPR_PATH", ".")

	//runTestSuiteSpec(t, section, inputs, 9)
	runTestSuite(t, section, inputs)
}