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-rw-r--r--js/src/jit-test/tests/gc/incremental-compacting.js44
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/gc/incremental-compacting.js b/js/src/jit-test/tests/gc/incremental-compacting.js
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+++ b/js/src/jit-test/tests/gc/incremental-compacting.js
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+// Exercise incremental compacting GC
+// Run with MOZ_GCTIMER to see the timings
+
+if (!("gcstate" in this && "gczeal" in this))
+ quit();
+
+gczeal(0);
+
+function testCompacting(zoneCount, objectCount, sliceCount)
+{
+ // Allocate objectCount objects in zoneCount zones
+ // On linux64 debug builds we will move them all
+ // Run compacting GC with multiple slices
+
+ var zones = [];
+ for (var i = 0; i < zoneCount; i++) {
+ var zone = newGlobal();
+ evaluate("var objects; " +
+ "function makeObjectGraph(objectCount) { " +
+ " objects = []; " +
+ " for (var i = 0; i < objectCount; i++) " +
+ " objects.push({ serial: i }); " +
+ "}",
+ { global: zone });
+ zone.makeObjectGraph(objectCount);
+ zones.push(zone);
+ }
+
+ // Finish any alloc-triggered incremental GC
+ if (gcstate() !== "NotActive")
+ gc();
+
+ startgc(sliceCount, "shrinking");
+ while (gcstate() !== "NotActive") {
+ gcslice(sliceCount);
+ }
+
+ return zones;
+}
+
+testCompacting(1, 100000, 100000);
+testCompacting(2, 100000, 100000);
+testCompacting(4, 50000, 100000);
+testCompacting(2, 100000, 50000);