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-rw-r--r--js/src/jit-test/tests/gc/bug-1017141.js25
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/gc/bug-1017141.js b/js/src/jit-test/tests/gc/bug-1017141.js
new file mode 100644
index 000000000..9c4533924
--- /dev/null
+++ b/js/src/jit-test/tests/gc/bug-1017141.js
@@ -0,0 +1,25 @@
+var min = gcparam('minEmptyChunkCount');
+var max = gcparam('maxEmptyChunkCount');
+
+gcparam('minEmptyChunkCount', 10);
+gcparam('maxEmptyChunkCount', 20);
+assertEq(gcparam('minEmptyChunkCount'), 10);
+assertEq(gcparam('maxEmptyChunkCount'), 20);
+gc();
+
+/* We maintain the invariant that maxEmptyChunkCount >= minEmptyChunkCount. */
+gcparam('minEmptyChunkCount', 30);
+assertEq(gcparam('minEmptyChunkCount'), 30);
+assertEq(gcparam('maxEmptyChunkCount'), 30);
+gc();
+
+gcparam('maxEmptyChunkCount', 5);
+assertEq(gcparam('minEmptyChunkCount'), 5);
+assertEq(gcparam('maxEmptyChunkCount'), 5);
+gc();
+
+gcparam('minEmptyChunkCount', min);
+gcparam('maxEmptyChunkCount', max);
+assertEq(gcparam('minEmptyChunkCount'), min);
+assertEq(gcparam('maxEmptyChunkCount'), max);
+gc();