coverage: fellow_busy_body_seg_adjust()

src/fellow_cache.c

@@ -5950,6 +5950,8 @@ t_cache(unsigned chksum)
 	tune->ioerr_log = 1;
 	tune->allocerr_obj = 1;
 	tune->allocerr_log = 1;
+	// for coverage - hit cramming paths
+	tune->cram = -64;
 	AZ(stvfe_tune_check(tune));
 
 	buddy_init(membuddy, MIN_BUDDY_BITS, memsz,
@@ -6053,7 +6055,7 @@ t_cache(unsigned chksum)
 	fbo = fellow_busy_obj_alloc(fc, &fco, &priv2, 1234).r.ptr;
 	CHECK_OBJ_NOTNULL(fbo, FELLOW_BUSY_MAGIC);
 	{
-		sz = 1234;
+		sz = dsksz;
 		AZ(fellow_busy_obj_getspace(fbo, &sz, (uint8_t **)&ptr).status);
 	}
 	test_bocdone(fbo, TRUST_ME(hash), 1);
@@ -6088,6 +6090,24 @@ t_cache(unsigned chksum)
 	test_bocdone(fbo, TRUST_ME(hash), 1);
 	fellow_cache_obj_deref(fc, fco);
 
+	// === hit objsize_max with big chunks
+	fbo = fellow_busy_obj_alloc(fc, &fco, &priv2, 1234).r.ptr;
+	CHECK_OBJ_NOTNULL(fbo, FELLOW_BUSY_MAGIC);
+	do {
+		sz = dsksz;
+		fcr = fellow_busy_obj_getspace(fbo, &sz, (uint8_t **)&ptr);
+		if (fcr.status == fcr_ok) {
+			fellow_busy_obj_extend(fbo, sz);
+			continue;
+		}
+		assert(fcr.status == fcr_allocerr);
+		AZ(strcmp(fcr.r.err, "objsize_max reached"));
+	} while (fcr.status == fcr_ok);
+
+	fellow_busy_obj_trimstore(fbo);
+	test_bocdone(fbo, TRUST_ME(hash), 1);
+	fellow_cache_obj_deref(fc, fco);
+
 	// === hit objsize_max under memory pressure
 	fbo = fellow_busy_obj_alloc(fc, &fco, &priv2, 1234).r.ptr;
 	CHECK_OBJ_NOTNULL(fbo, FELLOW_BUSY_MAGIC);