xgo/compiler/parser/parser_error_test.go
Daniel Kang 3f55a6b5b0
Modules (#5)
Implement module imports
2019-01-17 01:56:05 -08:00

43 lines
1 KiB
Go

package parser_test
import (
"testing"
"github.com/d5/tengo/compiler/ast"
"github.com/d5/tengo/compiler/token"
)
func TestError(t *testing.T) {
expect(t, `error(1234)`, func(p pfn) []ast.Stmt {
return stmts(
exprStmt(
errorExpr(p(1, 1), intLit(1234, p(1, 7)), p(1, 6), p(1, 11))))
})
expect(t, `err1 := error("some error")`, func(p pfn) []ast.Stmt {
return stmts(
assignStmt(
exprs(ident("err1", p(1, 1))),
exprs(errorExpr(p(1, 9), stringLit("some error", p(1, 15)), p(1, 14), p(1, 27))),
token.Define, p(1, 6)))
})
expect(t, `return error("some error")`, func(p pfn) []ast.Stmt {
return stmts(
returnStmt(p(1, 1),
errorExpr(p(1, 8), stringLit("some error", p(1, 14)), p(1, 13), p(1, 26))))
})
expect(t, `return error("some" + "error")`, func(p pfn) []ast.Stmt {
return stmts(
returnStmt(p(1, 1),
errorExpr(p(1, 8),
binaryExpr(
stringLit("some", p(1, 14)),
stringLit("error", p(1, 23)),
token.Add, p(1, 21)),
p(1, 13), p(1, 30))))
})
expectError(t, `error()`) // must have a value
}