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// See LICENSE for license details.
package firrtlTests.transforms
import firrtl.annotations.{Annotation, CircuitName, ModuleName}
import firrtl.transforms._
import firrtl.{AnnotationMap, FIRRTLException, Transform, VerilogCompiler}
import firrtlTests.{HighTransformSpec, LowTransformSpec}
import org.scalacheck.Test.Failed
import org.scalatest.{FreeSpec, Matchers, Succeeded}
/**
* Tests inline instances transformation
*/
class BlacklBoxSourceHelperSpec extends FreeSpec with Matchers {
"BlackBoxSourceAnnotations" - {
val modName = ModuleName("dog", CircuitName("fox"))
val resource = "file://somefile.v"
"should parse and unparse" in {
val serialized = BlackBoxResource(resource).serialize
BlackBoxSource.parse(serialized) match {
case Some(BlackBoxResource(id)) =>
id should be (resource)
Succeeded
case _ => Failed
}
}
"should fail on unsupported kinds" in {
intercept[FIRRTLException] {
BlackBoxSourceAnnotation(modName, "bad value")
}
BlackBoxSourceAnnotation(modName, BlackBoxResource(resource).serialize).isInstanceOf[Annotation] should be(true)
}
}
}
class BlacklBoxSourceHelperTransformSpec extends LowTransformSpec {
def transform: Transform = new BlackBoxSourceHelper
private val moduleName = ModuleName("Top", CircuitName("Top"))
private val input = """
|circuit Top :
|
| extmodule AdderExtModule :
| input foo : UInt<16>
| output bar : UInt<16>
|
| defname = BBFAdd
|
| module Top :
| input x : UInt<16>
| output y : UInt<16>
|
| inst a1 of AdderExtModule
| a1.foo <= x
| y <= a1.bar
""".stripMargin
private val output = """
|circuit Top :
|
| extmodule AdderExtModule :
| input foo : UInt<16>
| output bar : UInt<16>
|
| defname = BBFAdd
|
| module Top :
| input x : UInt<16>
| output y : UInt<16>
|
| inst a1 of AdderExtModule
| y <= a1.bar
| a1.foo <= x
""".stripMargin
"annotated external modules" should "appear in output directory" in {
val annos = Seq(
Annotation(moduleName, classOf[BlackBoxSourceHelper], BlackBoxTargetDir("test_run_dir").serialize),
Annotation(moduleName, classOf[BlackBoxSourceHelper], BlackBoxResource("/blackboxes/AdderExtModule.v").serialize)
)
execute(input, output, annos)
new java.io.File("test_run_dir/AdderExtModule.v").exists should be (true)
new java.io.File(s"test_run_dir/${BlackBoxSourceHelper.FileListName}").exists should be (true)
}
"verilog compiler" should "have BlackBoxSourceHelper transform" in {
val verilogCompiler = new VerilogCompiler
verilogCompiler.transforms.map { x => x.getClass } should contain (classOf[BlackBoxSourceHelper])
}
}
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