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test ByteString lastIndexOf (#2151)

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PJ Fanning 2025-09-06 00:15:04 +01:00 • committed by GitHub
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64
actor-tests/src/test/scala/org/apache/pekko/util/ByteStringSpec.scala
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@ -664,7 +664,29 @@ class ByteStringSpec extends AnyWordSpec with Matchers with Checkers {
compact.indexOf('e') should ===(3)
compact.indexOf('f') should ===(4)
compact.indexOf('g') should ===(5)
}
"lastIndexOf" in {
ByteString.empty.indexOf(5) should ===(-1)
val byteString1 = ByteString1.fromString("abb")
byteString1.lastIndexOf('a') should ===(0)
byteString1.lastIndexOf('b') should ===(2)
byteString1.lastIndexOf('d') should ===(-1)
val byteStrings = ByteStrings(ByteString1.fromString("abb"), ByteString1.fromString("efg"))
byteStrings.lastIndexOf('a') should ===(0)
byteStrings.lastIndexOf('b') should ===(2)
byteStrings.lastIndexOf('d') should ===(-1)
byteStrings.lastIndexOf('e') should ===(3)
byteStrings.lastIndexOf('f') should ===(4)
byteStrings.lastIndexOf('g') should ===(5)
val compact = byteStrings.compact
compact.lastIndexOf('a') should ===(0)
compact.lastIndexOf('b') should ===(2)
compact.lastIndexOf('d') should ===(-1)
compact.lastIndexOf('e') should ===(3)
compact.lastIndexOf('f') should ===(4)
compact.lastIndexOf('g') should ===(5)
}
"indexOf from offset" in {
ByteString.empty.indexOf(5, -1) should ===(-1)
@ -717,6 +739,48 @@ class ByteStringSpec extends AnyWordSpec with Matchers with Checkers {
compact.indexOf('g', 5) should ===(5)
compact.indexOf('g', 6) should ===(-1)
}
"lastIndexOf from offset" in {
ByteString.empty.lastIndexOf(5, -1) should ===(-1)
ByteString.empty.lastIndexOf(5, 0) should ===(-1)
ByteString.empty.lastIndexOf(5, 1) should ===(-1)
val byteString1 = ByteString1.fromString("abb")
byteString1.lastIndexOf('d', -1) should ===(-1)
byteString1.lastIndexOf('d', 4) should ===(-1)
byteString1.lastIndexOf('d', 1) should ===(-1)
byteString1.lastIndexOf('d', 0) should ===(-1)
byteString1.lastIndexOf('a', -1) should ===(-1)
byteString1.lastIndexOf('a', 0) should ===(0)
byteString1.lastIndexOf('a', 1) should ===(0)
byteString1.lastIndexOf('b', 2) should ===(2)
byteString1.lastIndexOf('b', 1) should ===(1)
byteString1.lastIndexOf('b', 0) should ===(-1)
val byteStrings = ByteStrings(ByteString1.fromString("abb"), ByteString1.fromString("efg"))
byteStrings.lastIndexOf('e', 6) should ===(3)
byteStrings.lastIndexOf('e', 4) should ===(3)
byteStrings.lastIndexOf('e', 1) should ===(-1)
byteStrings.lastIndexOf('e', 0) should ===(-1)
byteStrings.lastIndexOf('e', -1) should ===(-1)
byteStrings.lastIndexOf('b', 6) should ===(2)
byteStrings.lastIndexOf('b', 4) should ===(2)
byteStrings.lastIndexOf('b', 1) should ===(1)
byteStrings.lastIndexOf('b', 0) should ===(-1)
byteStrings.lastIndexOf('b', -1) should ===(-1)
val compact = byteStrings.compact
compact.lastIndexOf('e', 6) should ===(3)
compact.lastIndexOf('e', 4) should ===(3)
compact.lastIndexOf('e', 1) should ===(-1)
compact.lastIndexOf('e', 0) should ===(-1)
compact.lastIndexOf('e', -1) should ===(-1)
compact.lastIndexOf('b', 6) should ===(2)
compact.lastIndexOf('b', 4) should ===(2)
compact.lastIndexOf('b', 1) should ===(1)
compact.lastIndexOf('b', 0) should ===(-1)
compact.lastIndexOf('b', -1) should ===(-1)
}
"indexOf (specialized)" in {
ByteString.empty.indexOf(5.toByte) should ===(-1)
val byteString1 = ByteString1.fromString("abc")