8000 add test case to ensure files are truncated on generation, and more t… · scala/scala@3a0023a · GitHub
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mkeskellsmkeskells
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add test case to ensure files are truncated on generation, and more test when unable to write a file or directory
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‎test/files/run/backend-truncate.scala

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import scala.tools.partest._
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import java.io.File
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object Test extends DirectTest {
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def code = ???
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def compileCode(code: String) = {
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val classpath = List(sys.props("partest.lib"), testOutput.path) mkString sys.props("path.separator")
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compileString(newCompiler("-cp", classpath, "-d", testOutput.path))(code)
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}
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// Ensure that when we compile a file we only contain the data from the generated code
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def show(): Unit = {
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compileCode("class a")
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val file = scala.reflect.io.File(testOutput.path + "/a.class").toFile
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val origLength = file.length
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//add sore extra data to the file
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file.appendAll("FooBar"*1000)
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assert (origLength < file.length, s"file didn't grow")
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//assert the file is back to the correct size
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compileCode("class a")
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assert (origLength == file.length, s"expected size $origLength but found ${file.length}")
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}
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}

‎test/files/run/t5717.scala

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@@ -13,9 +13,19 @@ object Test extends StoreReporterDirectTest {
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// Let the compiler tell us output dir
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// val sc = newCompiler("-cp", classpath, "-d", testOutput.path)
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// val out = sc.settings.outputDirs.getSingleOutput.get
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// TODO check the reported errors
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def show(): Unit = {
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// Don't crash when we find a file 'a' where package 'a' should go.
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scala.reflect.io.File(testOutput.path + "/a").writeAll("a")
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compileCode("package a { class B }")
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//and the same in th case of a subdirectory
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compileCode("package a.b { class B }")
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// Don't crash when we find a directory 'a' where class 'a' should go.
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// or maybe more realistically we dont crash if for some reason we cant write the file
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val blocking = scala.reflect.io.File(testOutput) / "a.class" / "b" / "c"
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blocking.mkdirs()
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blocking.createFile()
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compileCode("class a")
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}
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}

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