istanbul-tools/vendor/github.com/robertkrimen/otto/error_native_test.go

40 lines
933 B
Go

package otto
import (
"testing"
)
// this is its own file because the tests in it rely on the line numbers of
// some of the functions defined here. putting it in with the rest of the
// tests would probably be annoying.
func TestErrorContextNative(t *testing.T) {
tt(t, func() {
vm := New()
vm.Set("N", func(c FunctionCall) Value {
v, err := c.Argument(0).Call(NullValue())
if err != nil {
panic(err)
}
return v
})
s, _ := vm.Compile("test.js", `
function F() { throw new Error('wow'); }
function G() { return N(F); }
`)
vm.Run(s)
f1, _ := vm.Get("G")
_, err := f1.Call(NullValue())
err1 := err.(*Error)
is(err1.message, "wow")
is(len(err1.trace), 3)
is(err1.trace[0].location(), "F (test.js:2:29)")
is(err1.trace[1].location(), "github.com/robertkrimen/otto.TestErrorContextNative.func1.1 (error_native_test.go:15)")
is(err1.trace[2].location(), "G (test.js:3:26)")
})
}