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39 lines
2.7 KiB
Go
39 lines
2.7 KiB
Go
// Package contextkeytypes verifies that correct types are used as keys in
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// calls to context.WithValue.
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package contextkeytypes
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import (
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"context"
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"fmt"
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)
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type ctxKey struct{}
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func contextKeyTypeTests() {
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fmt.Println() // not in package context
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context.TODO() // wrong function
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c := context.Background() // wrong function
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context.WithValue(c, "foo", "bar") // MATCH /should not use basic type string as key in context.WithValue/
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context.WithValue(c, true, "bar") // MATCH /should not use basic type bool as key in context.WithValue/
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context.WithValue(c, 1, "bar") // MATCH /should not use basic type int as key in context.WithValue/
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context.WithValue(c, int8(1), "bar") // MATCH /should not use basic type int8 as key in context.WithValue/
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context.WithValue(c, int16(1), "bar") // MATCH /should not use basic type int16 as key in context.WithValue/
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context.WithValue(c, int32(1), "bar") // MATCH /should not use basic type int32 as key in context.WithValue/
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context.WithValue(c, rune(1), "bar") // MATCH /should not use basic type rune as key in context.WithValue/
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context.WithValue(c, int64(1), "bar") // MATCH /should not use basic type int64 as key in context.WithValue/
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context.WithValue(c, uint(1), "bar") // MATCH /should not use basic type uint as key in context.WithValue/
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context.WithValue(c, uint8(1), "bar") // MATCH /should not use basic type uint8 as key in context.WithValue/
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context.WithValue(c, byte(1), "bar") // MATCH /should not use basic type byte as key in context.WithValue/
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context.WithValue(c, uint16(1), "bar") // MATCH /should not use basic type uint16 as key in context.WithValue/
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context.WithValue(c, uint32(1), "bar") // MATCH /should not use basic type uint32 as key in context.WithValue/
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context.WithValue(c, uint64(1), "bar") // MATCH /should not use basic type uint64 as key in context.WithValue/
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context.WithValue(c, uintptr(1), "bar") // MATCH /should not use basic type uintptr as key in context.WithValue/
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context.WithValue(c, float32(1.0), "bar") // MATCH /should not use basic type float32 as key in context.WithValue/
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context.WithValue(c, float64(1.0), "bar") // MATCH /should not use basic type float64 as key in context.WithValue/
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context.WithValue(c, complex64(1i), "bar") // MATCH /should not use basic type complex64 as key in context.WithValue/
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context.WithValue(c, complex128(1i), "bar") // MATCH /should not use basic type complex128 as key in context.WithValue/
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context.WithValue(c, ctxKey{}, "bar") // ok
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context.WithValue(c, &ctxKey{}, "bar") // ok
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context.WithValue(c, invalid{}, "bar") // ok
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}
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