79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
package dial_test
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import (
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"testing"
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"github.com/StevanFreeborn/advent-of-code-2025/cmd/01/dial"
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"github.com/StevanFreeborn/advent-of-code-2025/cmd/01/instruction"
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)
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func TestNew(t *testing.T) {
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expectedStartingValue := 50
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result := dial.New()
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if result.Value() != expectedStartingValue {
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t.Errorf("got unexpected beginning value. expected %d but got %d", expectedStartingValue, result.Value())
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}
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}
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type TurnTestCase struct {
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Instruction instruction.Instruction
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ExpectedDialValue int
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}
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func TestTurn(t *testing.T) {
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testCases := []TurnTestCase{
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{
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Instruction: instruction.FromParts("L", 68),
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ExpectedDialValue: 82,
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},
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{
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Instruction: instruction.FromParts("L", 30),
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ExpectedDialValue: 52,
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},
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{
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Instruction: instruction.FromParts("R", 48),
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ExpectedDialValue: 0,
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},
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{
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Instruction: instruction.FromParts("L", 5),
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ExpectedDialValue: 95,
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},
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{
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Instruction: instruction.FromParts("R", 60),
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ExpectedDialValue: 55,
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},
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{
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Instruction: instruction.FromParts("L", 55),
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ExpectedDialValue: 0,
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},
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{
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Instruction: instruction.FromParts("L", 1),
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ExpectedDialValue: 99,
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},
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{
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Instruction: instruction.FromParts("L", 99),
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ExpectedDialValue: 0,
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},
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{
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Instruction: instruction.FromParts("R", 14),
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ExpectedDialValue: 14,
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},
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{
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Instruction: instruction.FromParts("L", 82),
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ExpectedDialValue: 32,
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},
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}
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dial := dial.New()
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for i, testCase := range testCases {
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dial.Turn(testCase.Instruction)
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if dial.Value() != testCase.ExpectedDialValue {
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t.Errorf("%d: got dial value %d, but expected dial value %d", i, dial.Value(), testCase.ExpectedDialValue)
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}
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}
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}
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