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// SPDX-License-Identifier: Apache-2.0
package chiselTests
import chisel3._
import chisel3.testers.BasicTester
import chisel3.stage.ChiselStage
class SinglePrintfTester() extends BasicTester {
val x = 254.U
printf("x=%x", x)
stop()
}
class ASCIIPrintfTester() extends BasicTester {
printf((0x20 to 0x7e).map(_.toChar).mkString.replace("%", "%%"))
stop()
}
class MultiPrintfTester() extends BasicTester {
val x = 254.U
val y = 255.U
printf("x=%x y=%x", x, y)
stop()
}
class ASCIIPrintableTester extends BasicTester {
printf(PString((0x20 to 0x7e).map(_.toChar).mkString("")))
stop()
}
class ScopeTesterModule extends Module {
val in = IO(Input(UInt(8.W)))
val out = IO(Output(UInt(8.W)))
out := in
val w = Wire(UInt(8.W))
w := 125.U
val p = cf"$in"
val wp = cf"$w"
}
class PrintablePrintfScopeTester extends BasicTester {
ChiselStage.elaborate {
new Module {
val mod = Module(new ScopeTesterModule)
printf(mod.p)
}
}
stop()
}
class PrintablePrintfWireScopeTester extends BasicTester {
ChiselStage.elaborate {
new Module {
val mod = Module(new ScopeTesterModule)
printf(mod.wp)
}
}
stop()
}
class PrintfSpec extends ChiselFlatSpec {
"A printf with a single argument" should "run" in {
assertTesterPasses { new SinglePrintfTester }
}
"A printf with multiple arguments" should "run" in {
assertTesterPasses { new MultiPrintfTester }
}
"A printf with ASCII characters 1-127" should "run" in {
assertTesterPasses { new ASCIIPrintfTester }
}
"A printf with Printable ASCII characters 1-127" should "run" in {
assertTesterPasses { new ASCIIPrintableTester }
}
"A printf with Printable" should "respect port scopes" in {
assertTesterPasses { new PrintablePrintfScopeTester }
}
"A printf with Printable" should "respect wire scopes" in {
a[ChiselException] should be thrownBy { assertTesterPasses { new PrintablePrintfWireScopeTester } }
}
}
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