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authorcnsun <cnsun@google.com>2017-05-16 18:01:18 +0200
committerIvan Gavrilovic <gavra@google.com>2017-05-19 13:52:39 +0100
commitfdf79821aca7b0eff897f1037a9deae060113558 (patch)
tree21f846426729a5c81636e49c967843c128f0dbe5
parent2488e5f7cdb4fc9f90271ffbde5f674b19751e47 (diff)
downloaddesugar-fdf79821aca7b0eff897f1037a9deae060113558.tar.gz
Refine assertion by providing more information. When the given path is NOT a
directory, output its path. RELNOTES: n/a PiperOrigin-RevId: 156187835 GitOrigin-RevId: 734d9e5663d86f9802c74a2ebd0e3ad9def0678e Change-Id: I4c38374b1e2ee86994496aa9fdd34786ca56034e
-rw-r--r--java/com/google/devtools/build/android/desugar/LambdaClassMaker.java3
1 files changed, 2 insertions, 1 deletions
diff --git a/java/com/google/devtools/build/android/desugar/LambdaClassMaker.java b/java/com/google/devtools/build/android/desugar/LambdaClassMaker.java
index 155e323..beaeb03 100644
--- a/java/com/google/devtools/build/android/desugar/LambdaClassMaker.java
+++ b/java/com/google/devtools/build/android/desugar/LambdaClassMaker.java
@@ -35,7 +35,8 @@ class LambdaClassMaker {
private final Map<Path, LambdaInfo> generatedClasses = new LinkedHashMap<>();
public LambdaClassMaker(Path rootDirectory) {
- checkArgument(Files.isDirectory(rootDirectory));
+ checkArgument(
+ Files.isDirectory(rootDirectory), "The argument '%s' is not a directory.", rootDirectory);
this.rootDirectory = rootDirectory;
}