1
0
mirror of https://github.com/ariejan/i6502.git synced 2024-10-31 08:04:58 +00:00
i6502/rom_test.go
2014-08-21 10:02:38 +02:00

45 lines
939 B
Go

package i6502
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestRomAsMemory(t *testing.T) {
assert.Implements(t, (*Memory)(nil), new(Rom))
}
func Test8kRoms(t *testing.T) {
rom, err := NewRom("test/8kb.rom")
assert.Nil(t, err)
assert.Equal(t, 0x2000, rom.Size())
assert.Equal(t, 0x01, rom.ReadByte(0x0000))
assert.Equal(t, 0xFF, rom.ReadByte(0x2000-1))
}
func TestRomWritePanic(t *testing.T) {
rom, _ := NewRom("test/8kb.rom")
// Writing to rom should panic
assert.Panics(t, func() {
rom.WriteByte(0x1337, 0x42)
}, "Writing to Rom should panic")
}
func Test16kRom(t *testing.T) {
rom, err := NewRom("test/16kb.rom")
assert.Nil(t, err)
assert.Equal(t, 0x4000, rom.Size())
assert.Equal(t, 0x01, rom.ReadByte(0x0000))
assert.Equal(t, 0xFF, rom.ReadByte(0x4000-1))
}
func TestRomNotFound(t *testing.T) {
rom, err := NewRom("test/does-not-exists.rom")
assert.NotNil(t, err)
assert.Nil(t, rom)
}