pretenure-array-short-then-long-lived.js

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// Allocate many objects, changing the lifetime from short-lived to long-lived

// and check that we recover.

load(libdir + "pretenure.js");

setupPretenureTest();

// Phase 1: short lived.

allocateArrays(nurseryCount, false);

let { minor, major } = runTestAndCountCollections(

  () => allocateArrays(tenuredCount, false)

);

print(`${minor} minor GCs, ${major} major GCs`);

assertEq(minor >= 5, true);

assertEq(major == 0, true);

// Phase 2: long lived.

allocateArrays(tenuredCount, true);

({ minor, major } = runTestAndCountCollections(

  () => allocateArrays(tenuredCount * 5, true)

));

print(`${minor} minor GCs, ${major} major GCs`);

assertEq(minor <= 1, true);

assertEq(major >= 5, true);