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