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// SPDX-License-Identifier: Apache-2.0
package chiselTests.stage
import chisel3._
import chisel3.stage.{ChiselCircuitAnnotation, ChiselGeneratorAnnotation, DesignAnnotation}
import firrtl.options.OptionsException
import org.scalatest.flatspec.AnyFlatSpec
import org.scalatest.matchers.should.Matchers
class ChiselAnnotationsSpecFoo extends RawModule {
val in = IO(Input(Bool()))
val out = IO(Output(Bool()))
out := ~in
}
class ChiselAnnotationsSpecBaz(name: String) extends ChiselAnnotationsSpecFoo {
override val desiredName = name
}
class ChiselAnnotationsSpecQux extends ChiselAnnotationsSpecFoo {
/* This printf requires an implicit clock and reset, but RawModule has none. This will thereby fail elaboration. */
printf("hello")
}
class ChiselAnnotation
class ChiselAnnotationsSpec extends AnyFlatSpec with Matchers {
behavior.of("ChiselGeneratorAnnotation elaboration")
it should "elaborate to a ChiselCircuitAnnotation" in {
val annotation = ChiselGeneratorAnnotation(() => new ChiselAnnotationsSpecFoo)
val res = annotation.elaborate
res(0) shouldBe a[ChiselCircuitAnnotation]
res(1) shouldBe a[DesignAnnotation[ChiselAnnotationsSpecFoo]]
}
it should "throw an exception if elaboration fails" in {
val annotation = ChiselGeneratorAnnotation(() => new ChiselAnnotationsSpecQux)
intercept[ChiselException] { annotation.elaborate }
}
behavior.of("ChiselGeneratorAnnotation when stringly constructing from Module names")
it should "elaborate from a String" in {
val annotation = ChiselGeneratorAnnotation("chiselTests.stage.ChiselAnnotationsSpecFoo")
val res = annotation.elaborate
res(0) shouldBe a[ChiselCircuitAnnotation]
res(1) shouldBe a[DesignAnnotation[ChiselAnnotationsSpecFoo]]
}
it should "throw an exception if elaboration from a String refers to nonexistant class" in {
val bar = "chiselTests.stage.ChiselAnnotationsSpecBar"
val annotation = ChiselGeneratorAnnotation(bar)
intercept[OptionsException] { annotation.elaborate }.getMessage should startWith(s"Unable to locate module '$bar'")
}
it should "throw an exception if elaboration from a String refers to an anonymous class" in {
val baz = "chiselTests.stage.ChiselAnnotationsSpecBaz"
val annotation = ChiselGeneratorAnnotation(baz)
intercept[OptionsException] { annotation.elaborate }.getMessage should startWith(
s"Unable to create instance of module '$baz'"
)
}
}
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