// Copyright (c) 2022, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

package com.android.tools.r8.naming.retrace;

import static com.android.tools.r8.naming.retrace.StackTrace.isSame;
import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.MatcherAssert.assertThat;

import com.android.tools.r8.R8TestCompileResult;
import com.android.tools.r8.SingleTestRunResult;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestBuilder;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.utils.codeinspector.ClassSubject;
import com.android.tools.r8.utils.codeinspector.MethodSubject;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class RetraceInlineConditionTest extends TestBase {

  @Parameter() public TestParameters parameters;

  public StackTrace expectedStackTrace;

  @Parameters(name = "{0}")
  public static TestParametersCollection data() {
    return getTestParameters().withAllRuntimesAndApiLevels().build();
  }

  @Before
  public void setup() throws Exception {
    // Get the expected stack trace by running on the JVM.
    TestBuilder<? extends SingleTestRunResult<?>, ?> testBuilder =
        testForRuntime(parameters).addInnerClasses(getClass());
    SingleTestRunResult<?> runResult = testBuilder.run(parameters.getRuntime(), Main.class);
    if (parameters.isCfRuntime()) {
      expectedStackTrace = runResult.map(StackTrace::extractFromJvm);
    } else {
      expectedStackTrace =
          StackTrace.extractFromArt(runResult.getStdErr(), parameters.asDexRuntime().getVm());
    }
  }

  @Test
  public void testR8() throws Throwable {
    R8TestCompileResult compileResult =
        testForR8(parameters.getBackend())
            .addInnerClasses(getClass())
            .setMinApi(parameters.getApiLevel())
            .addKeepMainRule(Main.class)
            .addKeepAttributeLineNumberTable()
            .compile()
            .inspectProguardMap(map -> not(containsString("com.android.tools.r8.rewriteFrame")))
            .inspect(
                inspector -> {
                  ClassSubject fooClass = inspector.clazz(Foo.class);
                  assertThat(fooClass, isPresent());
                  MethodSubject inlineable = fooClass.uniqueMethodWithName("inlineable");
                  assertThat(inlineable, not(isPresent()));
                });
    compileResult
        .run(parameters.getRuntime(), Main.class)
        .assertFailureWithErrorThatThrows(NullPointerException.class)
        .inspectStackTrace(
            (stackTrace, codeInspector) -> assertThat(stackTrace, isSame(expectedStackTrace)));
  }

  static class Foo {

    void inlinable(boolean loop) {
      while (loop) {}
      String string = toString();
      System.out.println(string);
    }
  }

  static class Main {
    public static void main(String[] args) {
      Foo foo = (args.length == 0 ? null : new Foo());
      foo.inlinable(args.length == 0);
    }
  }
}