Gopher2600/debugger/terminal/commandline/tokeniser_test.go
2023-07-06 13:49:18 +01:00

106 lines
3 KiB
Go

// This file is part of Gopher2600.
//
// Gopher2600 is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Gopher2600 is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
package commandline_test
import (
"testing"
"github.com/jetsetilly/gopher2600/debugger/terminal/commandline"
"github.com/jetsetilly/gopher2600/test"
)
func TestTokeniser_spaces(t *testing.T) {
var toks *commandline.Tokens
var s string
toks = commandline.TokeniseInput("FOO")
test.ExpectEquality(t, toks.Len(), 1)
s, _ = toks.Get()
test.ExpectEquality(t, s, "FOO")
toks = commandline.TokeniseInput("FOO ")
test.ExpectEquality(t, toks.Len(), 1)
s, _ = toks.Get()
test.ExpectEquality(t, s, "FOO")
toks = commandline.TokeniseInput("FOO BAR")
test.ExpectEquality(t, toks.Len(), 2)
s, _ = toks.Get()
test.ExpectEquality(t, s, "FOO")
s, _ = toks.Get()
test.ExpectEquality(t, s, "BAR")
toks = commandline.TokeniseInput(" FOO BAR ")
test.ExpectEquality(t, toks.Len(), 2)
s, _ = toks.Get()
test.ExpectEquality(t, s, "FOO")
s, _ = toks.Get()
test.ExpectEquality(t, s, "BAR")
toks = commandline.TokeniseInput(" FOO BAR BAZ")
test.ExpectEquality(t, toks.Len(), 3)
s, _ = toks.Get()
test.ExpectEquality(t, s, "FOO")
s, _ = toks.Get()
test.ExpectEquality(t, s, "BAR")
s, _ = toks.Get()
test.ExpectEquality(t, s, "BAZ")
}
func TestTokeniser_quotes(t *testing.T) {
var toks *commandline.Tokens
var s string
// last argument is quoted
toks = commandline.TokeniseInput("FOO \"BAR BAZ\" ")
test.ExpectEquality(t, toks.Len(), 2)
s, _ = toks.Get()
test.ExpectEquality(t, s, "FOO")
s, _ = toks.Get()
test.ExpectEquality(t, s, "BAR BAZ")
// middle argument is quoted
toks = commandline.TokeniseInput("FOO \"BAR BAZ\" QUX")
test.ExpectEquality(t, toks.Len(), 3)
s, _ = toks.Get()
test.ExpectEquality(t, s, "FOO")
s, _ = toks.Get()
test.ExpectEquality(t, s, "BAR BAZ")
s, _ = toks.Get()
test.ExpectEquality(t, s, "QUX")
// first argument is quoted
toks = commandline.TokeniseInput("\"FOO BAR\" BAZ QUX")
test.ExpectEquality(t, toks.Len(), 3)
s, _ = toks.Get()
test.ExpectEquality(t, s, "FOO BAR")
s, _ = toks.Get()
test.ExpectEquality(t, s, "BAZ")
s, _ = toks.Get()
test.ExpectEquality(t, s, "QUX")
// the only argument is quoted and with leadig and trailing space
toks = commandline.TokeniseInput(" \" FOO BAR \" ")
test.ExpectEquality(t, toks.Len(), 1)
s, _ = toks.Get()
test.ExpectEquality(t, s, " FOO BAR ")
}
func TestTokeniser_singleCharArgs(t *testing.T) {
toks := commandline.TokeniseInput("FOO & BAR")
test.ExpectEquality(t, toks.Len(), 3)
}