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[dev.boringcrypto] crypto/internal/boring: fix detection of tests to allow *.test and *_test
When using the go command, test binaries end in .test, but when using Bazel, test binaries conventionally end in _test. Change-Id: Ic4cac8722fd93ae316169f87b321f68e0b71f0c3 Reviewed-on: https://go-review.googlesource.com/63913 Reviewed-by: Adam Langley <agl@golang.org>
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@ -30,12 +30,17 @@ func Unreachable() {
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// provided by runtime to avoid os import
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func runtime_arg0() string
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func hasSuffix(s, t string) bool {
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return len(s) > len(t) && s[len(s)-len(t):] == t
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}
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// UnreachableExceptTests marks code that should be unreachable
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// when BoringCrypto is in use. It panics.
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func UnreachableExceptTests() {
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arg0 := runtime_arg0()
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if len(arg0) < 5 || arg0[len(arg0)-5:] != ".test" {
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println("ARG0", arg0)
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name := runtime_arg0()
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// If BoringCrypto ran on Windows we'd need to allow _test.exe and .test.exe as well.
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if !hasSuffix(name, "_test") && !hasSuffix(name, ".test") {
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println("boringcrypto: unexpected code execution in", name)
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panic("boringcrypto: invalid code execution")
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}
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}
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