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Load JaCoCo before our agent #323

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Load JaCoCo before our agent #323

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8 changes: 7 additions & 1 deletion agent_api/build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,6 @@ dependencies {
test {
jvmArgs '--add-opens', 'java.base/java.util=ALL-UNNAMED'
jvmArgs '--add-opens', 'java.base/java.lang=ALL-UNNAMED'
jvmArgs "-javaagent:${project.rootDir}/dist/agent.jar=mode=daemon-disabled"
jvmArgs '-Dnet.bytebuddy.experimental=true' // Mockito support.

systemProperty 'AIK_agent_dir', "${project.rootDir}/dist"
Expand All @@ -64,6 +63,13 @@ test {
jacoco {
enabled = true
}
doFirst {
// JaCoCo's javaagent must load before our own agent.jar. Our agent registers a
// retransformation-capable ByteBuddy transformer; if it loads first, JaCoCo silently
// stops recording coverage for almost every class, not just the ones we instrument.
jvmArgs jacoco.getAsJvmArg(), "-javaagent:${project.rootDir}/dist/agent.jar=mode=daemon-disabled"
jacoco.enabled = false
}
}

jacocoTestReport {
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