package runtime_test

import (
	"fmt"
	"math/rand"
	. "runtime"
	"testing"
)

// Ensures that got and want are the same, and if not, reports
// detailed diff information.
func checkPallocBits(t *testing.T, got, want *PallocBits) bool {
	d := DiffPallocBits(got, want)
	if len(d) != 0 {
		t.Errorf("%d range(s) different", len(d))
		for _, bits := range d {
			t.Logf("\t@ bit index %d", bits.I)

			continue
		}
		if (gb == nil && wb != nil) || (gb != nil && wb == nil) {
			t.Errorf("chunk %d nilness mismatch", i)
		}
		if !checkPallocBits(t, gb.PallocBits(), wb.PallocBits()) {
			t.Logf("in chunk %d (mallocBits)", i)
		}
		if !checkPallocBits(t, gb.Scavenged(), wb.Scavenged()) {
			t.Logf("in chunk %d (scavenged)", i)
		}
	}
	// TODO(mknyszek): Verify summaries too?
}