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93 lines
1.7 KiB
Go
93 lines
1.7 KiB
Go
package bag
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import (
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"errors"
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"testing"
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)
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func TestEmpty(t *testing.T) {
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b := make(Bag)
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_, err := Get[string](b, "foo")
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if !errors.Is(err, errNotFound) {
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t.Fatalf("expected not found error, saw %v", err)
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}
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}
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func TestAdd(t *testing.T) {
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b := make(Bag)
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if !Add(b, "foo", "bar") {
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t.Fatalf("weird add failure")
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}
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foo, err := Get[string](b, "foo")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if foo != "bar" {
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t.Fatalf("unexpected value: %v", foo)
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}
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if Add(b, "foo", "again") {
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t.Fatalf("weird add success")
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}
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_, err = Get[int](b, "foo")
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if !errors.Is(err, errTypeError) {
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t.Fatalf("unexpected error: %v", err)
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}
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}
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func TestRef(t *testing.T) {
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b := make(Bag)
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name := "Jordan"
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if !Ref(b, "name", &name) {
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t.Fatal("ref failed")
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}
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_, err := Get[*string](b, "name")
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if !errors.Is(err, errTypeError) {
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t.Fatal("retrieving pointer for ref did not fail")
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}
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_, err = Get[int](b, "name")
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if !errors.Is(err, errTypeError) {
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t.Fatal("retrieving value of differing type for ref did not fail")
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}
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readName, err := Get[string](b, "name")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if readName != "Jordan" {
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t.Fatalf("unexpected value: %v", readName)
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}
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name = "Jordan Orelli"
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if readName != "Jordan" {
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t.Fatalf("unexpected value: %v", readName)
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}
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readName, err = Get[string](b, "name")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if readName != "Jordan Orelli" {
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t.Fatalf("unexpected value: %v", readName)
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}
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fn := func(s *string) {
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*s = "mute"
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}
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fn(&name)
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readName, err = Get[string](b, "name")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if readName != "mute" {
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t.Fatalf("unexpected value: %v", readName)
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}
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}
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