60 lines
1.0 KiB
Go
60 lines
1.0 KiB
Go
package internal
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import (
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"testing"
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)
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func TestRecordQueue_Push(t *testing.T) {
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var recCount int
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newRecord := func() Record {
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recCount++
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return testRecord{
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id: recCount,
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}
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}
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var rq RecordQueue
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if rq.Len() != 0 {
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t.Fatalf("zero value should have zero lenght")
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}
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_, ok := rq.Pop()
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if ok {
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t.Fatalf("Pop() should return (_,false) on a zero value")
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}
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rq.Push(nil)
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if rq.Len() != 0 {
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t.Fatalf("pushing nil should be a no-op")
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}
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rq.Push(newRecord())
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if rq.Len() != 1 {
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t.Fatalf("pushing 1st record should result in lenght of 1")
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}
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rq.Push(newRecord())
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if rq.Len() != 2 {
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t.Fatalf("pushing 2nd record should result in lenght of 2")
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}
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rec, ok := rq.Pop()
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if !ok {
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t.Fatalf("Pop() should return (_,true) when the list is not empty")
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}
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if rec, ok := rec.(testRecord); ok {
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if rec.id != 1 {
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t.Fatalf("Pop() should return the first record pushed but returned %d", rec.id)
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}
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} else {
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t.Fatalf("Pop() should return the original record")
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}
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}
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type testRecord struct {
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Record
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id int
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}
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