func expectParseError(substring string, script string, t *testing.T) {
_, err := parser.Parse(script)
if err == nil {
t.Errorf("Expected parse error containing %q, but there was no error.", substring)
} else if !strings.Contains(fmt.Sprint(err), substring) {
t.Errorf("Expected parse error containing %q, but error was %q.", substring, err)
}
}
func ExampleParse() {
var state goscript.State
input := `{
Print(10 - -7);
Print(1 + 4 * 4);
};`
program, err := parser.Parse(input)
if err != nil {
log.Println("Error parsing: ", err)
}
program.Execute(&state)
// Output:
// 17
// 17
}
func expectPanic(substring string, script string, t *testing.T) {
defer func() {
if p := recover(); p != nil {
if !strings.Contains(fmt.Sprint(p), substring) {
t.Errorf("Expected panic containing %q, but panic was %q.", substring, p)
}
} else {
t.Errorf("Expected panic containing %q, but no panic.", substring)
}
}()
var state goscript.State
program, err := parser.Parse(script)
if err != nil {
t.Error("Unexpected parse error:", err)
}
program.Execute(&state)
}