While reviewing another patch, I figured out at least one potential issue on windows when handling execution status.

The attached v11 small updates is more likely to pass on windows.

--
Fabien.
diff --git a/src/bin/pgbench/exprscan.l b/src/bin/pgbench/exprscan.l
index dc1367b..8255eff 100644
--- a/src/bin/pgbench/exprscan.l
+++ b/src/bin/pgbench/exprscan.l
@@ -360,6 +360,23 @@ expr_scanner_get_substring(PsqlScanState state,
 }
 
 /*
+ * get current expression line without one ending newline
+ */
+char *
+expr_scanner_chomp_substring(PsqlScanState state, int start_offset, int end_offset)
+{
+	const char *p = state->scanbuf;
+	/* chomp eol */
+	if (end_offset > start_offset && p[end_offset] == '\n')
+	{
+		end_offset--;
+		if (end_offset > start_offset && p[end_offset] == '\r')
+			end_offset--;
+	}
+	return expr_scanner_get_substring(state, start_offset, end_offset);
+}
+
+/*
  * Get the line number associated with the given string offset
  * (which must not be past the end of where we've lexed to).
  */
diff --git a/src/bin/pgbench/pgbench.c b/src/bin/pgbench/pgbench.c
index ae78c7b..b72fe04 100644
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -229,7 +229,7 @@ typedef struct SimpleStats
 typedef struct StatsData
 {
 	time_t		start_time;		/* interval start time, for aggregates */
-	int64		cnt;			/* number of transactions */
+	int64		cnt;			/* number of transactions, including skipped */
 	int64		skipped;		/* number of transactions skipped under --rate
 								 * and --latency-limit */
 	SimpleStats latency;
@@ -329,7 +329,7 @@ typedef struct
 	bool		prepared[MAX_SCRIPTS];	/* whether client prepared the script */
 
 	/* per client collected stats */
-	int64		cnt;			/* transaction count */
+	int64		cnt;			/* client transaction count, for -t */
 	int			ecnt;			/* error count */
 } CState;
 
@@ -2045,7 +2045,8 @@ doCustom(TState *thread, CState *st, StatsData *agg)
 					if (INSTR_TIME_IS_ZERO(now))
 						INSTR_TIME_SET_CURRENT(now);
 					now_us = INSTR_TIME_GET_MICROSEC(now);
-					while (thread->throttle_trigger < now_us - latency_limit)
+					while (thread->throttle_trigger < now_us - latency_limit &&
+						   (nxacts <= 0 || st->cnt < nxacts)) /* with -t, do not overshoot */
 					{
 						processXactStats(thread, st, &now, true, agg);
 						/* next rendez-vous */
@@ -2053,6 +2054,12 @@ doCustom(TState *thread, CState *st, StatsData *agg)
 						thread->throttle_trigger += wait;
 						st->txn_scheduled = thread->throttle_trigger;
 					}
+
+					if (nxacts > 0 && st->cnt >= nxacts)
+					{
+						st->state = CSTATE_FINISHED;
+						break;
+					}
 				}
 
 				st->state = CSTATE_THROTTLE;
@@ -2364,15 +2371,8 @@ doCustom(TState *thread, CState *st, StatsData *agg)
 				 */
 			case CSTATE_END_TX:
 
-				/*
-				 * transaction finished: calculate latency and log the
-				 * transaction
-				 */
-				if (progress || throttle_delay || latency_limit ||
-					per_script_stats || use_log)
-					processXactStats(thread, st, &now, false, agg);
-				else
-					thread->stats.cnt++;
+				/* transaction finished: calculate latency and do log */
+				processXactStats(thread, st, &now, false, agg);
 
 				if (is_connect)
 				{
@@ -2381,7 +2381,6 @@ doCustom(TState *thread, CState *st, StatsData *agg)
 					INSTR_TIME_SET_ZERO(now);
 				}
 
-				++st->cnt;
 				if ((st->cnt >= nxacts && duration <= 0) || timer_exceeded)
 				{
 					/* exit success */
@@ -2519,17 +2518,20 @@ processXactStats(TState *thread, CState *st, instr_time *now,
 {
 	double		latency = 0.0,
 				lag = 0.0;
+	bool		detailed = progress || throttle_delay || latency_limit ||
+						per_script_stats || use_log;
 
-	if ((!skipped) && INSTR_TIME_IS_ZERO(*now))
-		INSTR_TIME_SET_CURRENT(*now);
-
-	if (!skipped)
+	if (detailed && !skipped)
 	{
+		if (INSTR_TIME_IS_ZERO(*now))
+			INSTR_TIME_SET_CURRENT(*now);
+
 		/* compute latency & lag */
 		latency = INSTR_TIME_GET_MICROSEC(*now) - st->txn_scheduled;
 		lag = INSTR_TIME_GET_MICROSEC(st->txn_begin) - st->txn_scheduled;
 	}
 
+	/* detailed thread stats */
 	if (progress || throttle_delay || latency_limit)
 	{
 		accumStats(&thread->stats, skipped, latency, lag);
@@ -2539,7 +2541,13 @@ processXactStats(TState *thread, CState *st, instr_time *now,
 			thread->latency_late++;
 	}
 	else
+	{
+		/* no detailed stats, just count */
 		thread->stats.cnt++;
+	}
+
+	/* client stat is just counting */
+	st->cnt ++;
 
 	if (use_log)
 		doLog(thread, st, agg, skipped, latency, lag);
@@ -3026,8 +3034,7 @@ process_backslash_command(PsqlScanState sstate, const char *source)
 	PQExpBufferData word_buf;
 	int			word_offset;
 	int			offsets[MAX_ARGS];	/* offsets of argument words */
-	int			start_offset,
-				end_offset;
+	int			start_offset;
 	int			lineno;
 	int			j;
 
@@ -3081,13 +3088,10 @@ process_backslash_command(PsqlScanState sstate, const char *source)
 
 		my_command->expr = expr_parse_result;
 
-		/* Get location of the ending newline */
-		end_offset = expr_scanner_offset(sstate) - 1;
-
-		/* Save line */
-		my_command->line = expr_scanner_get_substring(sstate,
-													  start_offset,
-													  end_offset);
+		/* Save line (which may include continuations) */
+		my_command->line = expr_scanner_chomp_substring(sstate,
+														start_offset,
+														expr_scanner_offset(sstate));
 
 		expr_scanner_finish(yyscanner);
 
@@ -3108,13 +3112,10 @@ process_backslash_command(PsqlScanState sstate, const char *source)
 		my_command->argc++;
 	}
 
-	/* Get location of the ending newline */
-	end_offset = expr_scanner_offset(sstate) - 1;
-
 	/* Save line */
-	my_command->line = expr_scanner_get_substring(sstate,
-												  start_offset,
-												  end_offset);
+	my_command->line = expr_scanner_chomp_substring(sstate,
+													start_offset,
+													expr_scanner_offset(sstate));
 
 	if (pg_strcasecmp(my_command->argv[0], "sleep") == 0)
 	{
@@ -3505,7 +3506,7 @@ printResults(TState *threads, StatsData *total, instr_time total_time,
 	{
 		printf("number of transactions per client: %d\n", nxacts);
 		printf("number of transactions actually processed: " INT64_FORMAT "/%d\n",
-			   total->cnt, nxacts * nclients);
+			   total->cnt - total->skipped, nxacts * nclients);
 	}
 	else
 	{
@@ -3521,12 +3522,12 @@ printResults(TState *threads, StatsData *total, instr_time total_time,
 	if (throttle_delay && latency_limit)
 		printf("number of transactions skipped: " INT64_FORMAT " (%.3f %%)\n",
 			   total->skipped,
-			   100.0 * total->skipped / (total->skipped + total->cnt));
+			   100.0 * total->skipped / total->cnt);
 
 	if (latency_limit)
 		printf("number of transactions above the %.1f ms latency limit: %d (%.3f %%)\n",
 			   latency_limit / 1000.0, latency_late,
-			   100.0 * latency_late / (total->skipped + total->cnt));
+			   100.0 * latency_late / total->cnt);
 
 	if (throttle_delay || progress || latency_limit)
 		printSimpleStats("latency", &total->latency);
@@ -3575,8 +3576,7 @@ printResults(TState *threads, StatsData *total, instr_time total_time,
 			if (latency_limit)
 				printf(" - number of transactions skipped: " INT64_FORMAT " (%.3f%%)\n",
 					   sql_script[i].stats.skipped,
-					   100.0 * sql_script[i].stats.skipped /
-					   (sql_script[i].stats.skipped + sql_script[i].stats.cnt));
+					   100.0 * sql_script[i].stats.skipped / sql_script[i].stats.cnt);
 
 			if (num_scripts > 1)
 				printSimpleStats(" - latency", &sql_script[i].stats.latency);
@@ -4115,6 +4115,12 @@ main(int argc, char **argv)
 		exit(1);
 	}
 
+	if (progress_timestamp && progress == 0)
+	{
+		fprintf(stderr, "--progress-timestamp is allowed only under --progress\n");
+		exit(1);
+	}
+
 	/*
 	 * save main process id in the global variable because process id will be
 	 * changed after fork.
diff --git a/src/bin/pgbench/pgbench.h b/src/bin/pgbench/pgbench.h
index abc13e9..56b85de 100644
--- a/src/bin/pgbench/pgbench.h
+++ b/src/bin/pgbench/pgbench.h
@@ -129,6 +129,8 @@ extern void expr_scanner_finish(yyscan_t yyscanner);
 extern int	expr_scanner_offset(PsqlScanState state);
 extern char *expr_scanner_get_substring(PsqlScanState state,
 						   int start_offset, int end_offset);
+extern char *expr_scanner_chomp_substring(PsqlScanState state,
+								   int start_offset, int end_offset);
 extern int	expr_scanner_get_lineno(PsqlScanState state, int offset);
 
 extern void syntax_error(const char *source, int lineno, const char *line,
diff --git a/src/bin/pgbench/t/001_pgbench.pl b/src/bin/pgbench/t/001_pgbench.pl
deleted file mode 100644
index 34d686e..0000000
--- a/src/bin/pgbench/t/001_pgbench.pl
+++ /dev/null
@@ -1,25 +0,0 @@
-use strict;
-use warnings;
-
-use PostgresNode;
-use TestLib;
-use Test::More tests => 3;
-
-# Test concurrent insertion into table with UNIQUE oid column.  DDL expects
-# GetNewOidWithIndex() to successfully avoid violating uniqueness for indexes
-# like pg_class_oid_index and pg_proc_oid_index.  This indirectly exercises
-# LWLock and spinlock concurrency.  This test makes a 5-MiB table.
-my $node = get_new_node('main');
-$node->init;
-$node->start;
-$node->safe_psql('postgres',
-	    'CREATE UNLOGGED TABLE oid_tbl () WITH OIDS; '
-	  . 'ALTER TABLE oid_tbl ADD UNIQUE (oid);');
-my $script = $node->basedir . '/pgbench_script';
-append_to_file($script,
-	'INSERT INTO oid_tbl SELECT FROM generate_series(1,1000);');
-$node->command_like(
-	[   qw(pgbench --no-vacuum --client=5 --protocol=prepared
-		  --transactions=25 --file), $script ],
-	qr{processed: 125/125},
-	'concurrent OID generation');
diff --git a/src/bin/pgbench/t/001_pgbench_with_server.pl b/src/bin/pgbench/t/001_pgbench_with_server.pl
new file mode 100644
index 0000000..949ad9b
--- /dev/null
+++ b/src/bin/pgbench/t/001_pgbench_with_server.pl
@@ -0,0 +1,450 @@
+use strict;
+use warnings;
+
+use PostgresNode;
+use TestLib;
+use Test::More tests => 244;
+
+# start a pgbench specific server
+my $node = get_new_node('main');
+$node->init;
+$node->start;
+
+# invoke pgbench
+sub pgbench
+{
+	my ($opts, $stat, $out, $err, $name, $files) = @_;
+	my @cmd = ('pgbench', split /\s+/, $opts);
+	my @filenames = ();
+	if (defined $files)
+	{
+		# note: files are ordered for determinism
+		for my $fn (sort keys %$files)
+		{
+			my $filename = $node->basedir . '/' . $fn;
+			push @cmd, '-f', $filename;
+			# cleanup file weight
+			$filename =~ s/\@\d+$//;
+			#push @filenames, $filename;
+			append_to_file($filename, $$files{$fn});
+		}
+	}
+	$node->command_checks_all(\@cmd, $stat, $out, $err, $name);
+	# cleanup?
+	#unlink @filenames or die "cannot unlink files (@filenames): $!";
+}
+
+# Test concurrent insertion into table with UNIQUE oid column.  DDL expects
+# GetNewOidWithIndex() to successfully avoid violating uniqueness for indexes
+# like pg_class_oid_index and pg_proc_oid_index.  This indirectly exercises
+# LWLock and spinlock concurrency.  This test makes a 5-MiB table.
+
+$node->safe_psql('postgres',
+	    'CREATE UNLOGGED TABLE oid_tbl () WITH OIDS; '
+	  . 'ALTER TABLE oid_tbl ADD UNIQUE (oid);');
+
+# 3 checks
+pgbench(
+  '--no-vacuum --client=5 --protocol=prepared --transactions=25',
+  0, qr{processed: 125/125}, qr{^$}, 'concurrency OID generation',
+  { '001_pgbench_concurrent_oid_generation' =>
+    'INSERT INTO oid_tbl SELECT FROM generate_series(1,1000);' });
+
+# cleanup
+$node->safe_psql('postgres', 'DROP TABLE oid_tbl;');
+
+# Trigger various connection errors
+pgbench(
+  'no-such-database', 1, qr{^$},
+  [ qr{connection to database "no-such-database" failed},
+    qr{FATAL:  database "no-such-database" does not exist} ],
+  'no such database');
+
+pgbench(
+  '-U no-such-user template0', 1, qr{^$},
+  [ qr{connection to database "template0" failed},
+    qr{FATAL:  role "no-such-user" does not exist} ],
+  'no such user');
+
+pgbench(
+  '-h no-such-host.postgresql.org', 1, qr{^$},
+  [ qr{connection to database "postgres" failed},
+    # actual message may vary:
+    # - Name or service not known
+    # - Temporary failure in name resolution
+    qr{could not translate host name "no-such-host.postgresql.org" to address: } ],
+  'no such host');
+
+pgbench(
+  '-S -t 1',
+  1, qr{^$}, qr{Perhaps you need to do initialization},
+  'run without init');
+
+# Initialize pgbench tables scale 1
+pgbench(
+  '-i',
+  0, qr{^$},
+  [ qr{creating tables}, qr{vacuum}, qr{set primary keys}, qr{done\.} ],
+  'pgbench scale 1 initialization',
+);
+
+# Again, with all possible options
+pgbench(
+  # unlogged => faster test
+  '--initialize --scale=1 --unlogged --fillfactor=98 --foreign-keys --quiet' .
+  ' --tablespace=pg_default --index-tablespace=pg_default',
+  0, qr{^$},
+  [ qr{creating tables}, qr{vacuum}, qr{set primary keys},
+    qr{set foreign keys}, qr{done\.} ],
+  'pgbench scale 1 initialization');
+
+# Run all builtins for a few transactions: 20 checks
+pgbench(
+  '--transactions=5 -Dfoo=bla --client=2 --protocol=simple --builtin=t' .
+  ' --connect -n -v -n',
+  0,
+  [ qr{builtin: TPC-B}, qr{clients: 2\b}, qr{processed: 10/10},
+    qr{mode: simple} ],
+  qr{^$}, 'pgbench tpcb-like');
+
+pgbench(
+  '--transactions=20 --client=5 -M extended --builtin=si -C --no-vacuum -s 1',
+  0,
+  [ qr{builtin: simple update}, qr{clients: 5\b}, qr{threads: 1\b},
+    qr{processed: 100/100}, qr{mode: extended} ],
+  qr{scale option ignored},
+  'pgbench simple update');
+
+pgbench(
+  '-t 100 -c 7 -M prepared -b se --debug',
+  0,
+  [ qr{builtin: select only}, qr{clients: 7\b}, qr{threads: 1\b},
+    qr{processed: 700/700}, qr{mode: prepared} ],
+  [ qr{vacuum}, qr{client 0}, qr{client 1}, qr{sending}, qr{receiving},
+    qr{executing} ],
+  'pgbench select only');
+
+# run custom scripts: 8 checks
+pgbench(
+  '-t 100 -c 1 -j 2 -M prepared -n',
+  0,
+  [ qr{type: multiple scripts}, qr{mode: prepared},
+    qr{script 1: .*/001_pgbench_custom_script_1}, qr{weight: 2},
+    qr{script 2: .*/001_pgbench_custom_script_2}, qr{weight: 1},
+    qr{processed: 100/100} ],
+  qr{^$},
+  'pgbench custom scripts',
+  { '001_pgbench_custom_script_1@1' => q{-- select only
+\set aid random(1, :scale * 100000)
+SELECT abalance::INTEGER AS balance
+  FROM pgbench_accounts
+  WHERE aid=:aid;
+},
+    '001_pgbench_custom_script_2@2' => q{-- special variables
+BEGIN;
+\set foo 1
+-- cast are needed for typing under -M prepared
+SELECT :foo::INT + :scale::INT * :client_id::INT AS bla;
+COMMIT;
+} }
+);
+
+pgbench(
+  '-n -t 10 -c 1 -M simple',
+  0,
+  [ qr{type: .*/001_pgbench_custom_script_3}, qr{processed: 10/10},
+    qr{mode: simple} ],
+  qr{^$},
+  'pgbench custom script',
+  { '001_pgbench_custom_script_3' => q{-- select only variant
+\set aid random(1, :scale * 100000)
+BEGIN;
+SELECT abalance::INTEGER AS balance
+  FROM pgbench_accounts
+  WHERE aid=:aid;
+COMMIT;
+}}
+);
+
+pgbench(
+  '-n -t 10 -c 2 -M extended',
+  0,
+  [ qr{type: .*/001_pgbench_custom_script_4}, qr{processed: 20/20},
+    qr{mode: extended} ],
+  qr{^$}, 'pgbench custom script',
+  { '001_pgbench_custom_script_4' => q{-- select only variant
+\set aid random(1, :scale * 100000)
+BEGIN;
+SELECT abalance::INTEGER AS balance
+  FROM pgbench_accounts
+  WHERE aid=:aid;
+COMMIT;
+}}
+);
+
+# test expressions: 23 checks
+pgbench(
+  '-t 1 -Dfoo=-10.1 -Dbla=false -Di=+3 -Dminint=-9223372036854775808',
+  0,
+  [ qr{type: .*/001_pgbench_expressions}, qr{processed: 1/1} ],
+  [ qr{command=4.: int 4\b},
+    qr{command=5.: int 5\b},
+    qr{command=6.: int 6\b},
+    qr{command=7.: int 7\b},
+    qr{command=8.: int 8\b},
+    qr{command=9.: int 9\b},
+    qr{command=10.: int 10\b},
+    qr{command=11.: int 11\b},
+    qr{command=12.: int 12\b},
+    qr{command=13.: double 13\b},
+    qr{command=14.: double 14\b},
+    qr{command=15.: double 15\b},
+    qr{command=16.: double 16\b},
+    qr{command=17.: double 17\b},
+    qr{command=18.: double 18\b},
+    qr{command=19.: double 19\b},
+    qr{command=20.: double 20\b},
+    qr{command=21.: double -?nan\b},
+    qr{command=22.: double inf\b},
+    qr{command=23.: double -inf\b},
+    qr{command=24.: int 9223372036854775807\b},
+  ],
+  'pgbench expressions',
+  { '001_pgbench_expressions' => q{-- integer functions
+\set i1 debug(random(1, 100))
+\set i2 debug(random_exponential(1, 100, 10.0))
+\set i3 debug(random_gaussian(1, 100, 10.0))
+\set i4 debug(abs(-4))
+\set i5 debug(greatest(5, 4, 3, 2))
+\set i6 debug(11 + least(-5, -4, -3, -2))
+\set i7 debug(int(7.3))
+-- integer operators
+\set i8 debug(17 / 5 + 5)
+\set i9 debug(- (3 * 4 - 3) / -1 + 3 % -1)
+\set ia debug(10 + (0 + 0 * 0 - 0 / 1))
+\set ib debug(:ia + :scale)
+\set ic debug(64 % 13)
+-- double functions
+\set d1 debug(sqrt(3.0) * abs(-0.8E1))
+\set d2 debug(double(1 + 1) * 7)
+\set pi debug(pi() * 4.9)
+\set d4 debug(greatest(4, 2, -1.17) * 4.0)
+\set d5 debug(least(-5.18, .0E0, 1.0/0) * -3.3)
+-- double operators
+\set d6 debug((0.5 * 12.1 - 0.05) * (31.0 / 10))
+\set d7 debug(11.1 + 7.9)
+\set d8 debug(:foo * -2)
+-- special values
+\set nan debug(0.0 / 0.0)
+\set pin debug(1.0 / 0.0)
+\set nin debug(-1.0 / 0.0)
+\set maxint debug(:minint - 1)
+-- reset a variable
+\set i1 0
+}});
+
+# backslash commands: 4 checks
+pgbench(
+  '-t 1',
+  0,
+  [ qr{type: .*/001_pgbench_backslash_commands}, qr{processed: 1/1},
+    qr{shell-echo-output} ],
+  qr{command=8.: int 2\b},
+  'pgbench backslash commands',
+  { '001_pgbench_backslash_commands' => q{-- run set
+\set zero 0
+\set one 1.0
+-- sleep
+\sleep :one ms
+\sleep 100 us
+\sleep 0 s
+\sleep :zero
+-- setshell and continuation
+\setshell two\
+  expr \
+    1 + :one
+\set n debug(:two)
+-- shell
+\shell echo shell-echo-output
+}});
+
+# trigger many expression errors
+my @errors = (
+  # [ test name, script number, status, stderr match ]
+  # SQL
+  [ 'sql syntax error', 0,
+    [ qr{ERROR:  syntax error}, qr{prepared statement .* does not exist} ],
+    q{-- SQL syntax error
+    SELECT 1 + ;
+}],
+  [ 'sql too many args', 1, qr{statement has too many arguments.*\b9\b},
+    q{-- MAX_ARGS=10 for prepared
+\set i 0
+SELECT LEAST(:i, :i, :i, :i, :i, :i, :i, :i, :i, :i, :i);
+}],
+  # SHELL
+  [ 'shell bad command', 0, qr{meta-command 'shell' failed},
+    q{\shell no-such-command} ],
+  [ 'shell undefined variable', 0,
+    qr{undefined variable ":nosuchvariable"},
+    q{-- undefined variable in shell
+\shell echo ::foo :nosuchvariable
+}],
+  [ 'shell missing command', 1, qr{missing command }, q{\shell} ],
+  [ 'shell too many args', 1, qr{too many arguments in command "shell"},
+    q{-- 257 arguments to \shell
+\shell echo \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F \
+ 0 1 2 3 4 5 6 7 8 9 A B C D E F
+} ],
+  # SET
+  [ 'set syntax error', 1, qr{syntax error in command "set"},
+    q{\set i 1 +} ],
+  [ 'set no such function', 1, qr{unexpected function name},
+    q{\set i noSuchFunction()} ],
+  [ 'set invalid variable name', 0, qr{invalid variable name},
+    q{\set . 1} ],
+  [ 'set int overflow', 0, qr{double to int overflow for 100},
+    q{\set i int(1E32)} ],
+  [ 'set division by zero', 0, qr{division by zero},
+    q{\set i 1/0} ],
+  [ 'set bigint out of range', 0, qr{bigint out of range},
+    q{\set i 9223372036854775808 / -1} ],
+  [ 'set undefined variable', 0, qr{undefined variable "nosuchvariable"},
+    q{\set i :nosuchvariable} ],
+  [ 'set unexpected char', 1, qr{unexpected character .;.},
+    q{\set i ;} ],
+  [ 'set too many args', 0, qr{too many function arguments},
+    q{\set i least(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16)} ],
+  [ 'set empty random range', 0, qr{empty range given to random},
+    q{\set i random(5,3)} ],
+  [ 'set random range too large', 0, qr{random range is too large},
+    q{\set i random(-9223372036854775808, 9223372036854775807)} ],
+  [ 'set gaussian param too small', 0, qr{gaussian param.* at least 2},
+    q{\set i random_gaussian(0, 10, 1.0)} ],
+  [ 'set exponential param > 0', 0, qr{exponential parameter must be greater },
+    q{\set i random_exponential(0, 10, 0.0)} ],
+  [ 'set non numeric value', 0, qr{malformed variable "foo" value: "bla"},
+    q{\set i :foo + 1} ],
+  [ 'set no expression', 1, qr{syntax error}, q{\set i} ],
+  [ 'set missing argument', 1, qr{missing argument}, q{\set} ],
+  # SETSHELL
+  [ 'setshell not an int', 0, qr{command must return an integer},
+    q{\setshell i echo -n one} ],
+  [ 'setshell missing arg', 1, qr{missing argument }, q{\setshell var} ],
+  [ 'setshell no such command', 0, qr{could not read result },
+    q{\setshell var no-such-command} ],
+  # SLEEP
+  [ 'sleep undefined variable', 0, qr{sleep: undefined variable},
+    q{\sleep :nosuchvariable} ],
+  [ 'sleep too many args', 1, qr{too many arguments}, q{\sleep too many args} ],
+  [ 'sleep missing arg', 1, [ qr{missing argument}, qr{\\sleep} ],
+    q{\sleep} ],
+  [ 'sleep unknown unit', 1, qr{unrecognized time unit}, q{\sleep 1 week} ],
+  # MISC
+  [ 'misc invalid backslash command', 1,
+    qr{invalid command .* "nosuchcommand"},
+    q{\nosuchcommand} ],
+  [ 'misc empty script', 1, qr{empty command list for script}, q{} ],
+);
+
+for my $e (@errors)
+{
+  my ($name, $status, $re, $script) = @$e;
+  my $n = '001_pgbench_error_' . $name;
+  $n =~ s/ /_/g;
+  pgbench(
+    '-n -t 1 -Dfoo=bla -M prepared',
+    $status, $status ? qr{^$} : qr{processed: 0/1}, $re,
+    'pgbench script error: ' . $name, { $n => $script });
+}
+
+# throttling
+pgbench(
+  '-t 100 -S --rate=100000 --latency-limit=1000000 -c 2 -n -r',
+  0, [ qr{processed: 200/200}, qr{builtin: select only} ], qr{^$},
+  'pgbench throttling');
+
+pgbench(
+  # given the expected rate and the 2 ms tx duration, at most one is executed
+  '-t 10 --rate=100000 --latency-limit=1 -n -r',
+  0,
+  [ qr{processed: [01]/10}, qr{type: .*/001_pgbench_sleep},
+    qr{above the 1.0 ms latency limit: [01] }],
+  qr{^$},
+  'pgbench late throttling',
+  { '001_pgbench_sleep' => q{\sleep 2ms} });
+
+# check log contents and cleanup
+sub check_pgbench_logs($$$$$)
+{
+  my ($prefix, $nb, $min, $max, $re) = @_;
+
+  my @logs = <$prefix.*>;
+  ok(@logs == $nb, "number of log files");
+  ok(grep(/^$prefix\.\d+(\.\d+)?$/, @logs) == $nb, "file name format");
+
+  my $log_number = 0;
+  for my $log (sort @logs)
+  {
+    eval {
+      open LOG, $log or die "$@";
+      my @contents = <LOG>;
+      my $clen = @contents;
+      ok($min <= $clen && $clen <= $max, "transaction count for $log ($clen)");
+      ok(grep($re, @contents) == $clen, "transaction format for $prefix");
+      close LOG or die "$@";
+    };
+  }
+  ok(unlink(@logs), "remove log files");
+}
+
+# note: --progress-timestamp is not tested
+pgbench(
+  '-T 2 -P 1 -l --log-prefix=001_pgbench_log_1 --aggregate-interval=1' .
+  ' -S -b se@2 --rate=20 --latency-limit=1000 -j 2 -c 3 -r',
+  0,
+  [ qr{type: multiple}, qr{clients: 3}, qr{threads: 2}, qr{duration: 2 s},
+    qr{script 1: .* select only}, qr{script 2: .* select only},
+    qr{statement latencies in milliseconds}, qr{FROM pgbench_accounts} ],
+  [ qr{vacuum}, qr{progress: 1\b} ],
+  'pgbench progress');
+
+# 2 threads 2 seconds, sometimes only one aggregated line is written
+check_pgbench_logs('001_pgbench_log_1', 2, 1, 2,
+		   qr{^\d+ \d{1,2} \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+ \d+$});
+
+# with sampling rate
+pgbench(
+  '-n -S -t 50 -c 2 --log --log-prefix=001_pgbench_log_2 --sampling-rate=0.5',
+  0, [ qr{select only}, qr{processed: 100/100} ], qr{^$},
+  'pgbench logs');
+
+check_pgbench_logs('001_pgbench_log_2', 1, 8, 92,
+		   qr{^0 \d{1,2} \d+ \d \d+ \d+$});
+
+# check log file in some detail
+pgbench(
+  '-n -b se -t 10 -l --log-prefix=001_pgbench_log_3',
+  0, [ qr{select only}, qr{processed: 10/10} ], qr{^$},
+  'pgbench logs contents');
+
+check_pgbench_logs('001_pgbench_log_3', 1, 10, 10,
+		   qr{^\d \d{1,2} \d+ \d \d+ \d+$});
+
+# done
+$node->stop;
diff --git a/src/bin/pgbench/t/002_pgbench_no_server.pl b/src/bin/pgbench/t/002_pgbench_no_server.pl
new file mode 100644
index 0000000..701b82b
--- /dev/null
+++ b/src/bin/pgbench/t/002_pgbench_no_server.pl
@@ -0,0 +1,89 @@
+#
+# pgbench tests which do not need a server
+#
+
+use strict;
+use warnings;
+
+use TestLib;
+use Test::More tests => 113;
+
+# invoke pgbench
+sub pgbench($$$$$)
+{
+	my ($opts, $stat, $out, $err, $name) = @_;
+	print STDERR "opts=$opts, stat=$stat, out=$out, err=$err, name=$name";
+	command_checks_all([ 'pgbench', split(/\s+/, $opts) ],
+		       $stat, $out, $err, $name);
+}
+
+#
+# Option various errors
+#
+
+my @options = (
+  # name, options, stderr checks
+  [ 'bad option', '-h home -p 5432 -U calvin -d stuff --bad-option',
+    [ qr{unrecognized option}, qr{--help.*more information} ] ],
+  [ 'no file', '-f no-such-file', qr{could not open file "no-such-file":} ],
+  [ 'no builtin', '-b no-such-builtin', qr{no builtin script .* "no-such-builtin"} ],
+  [ 'invalid weight', '--builtin=select-only@one', qr{invalid weight specification: \@one} ],
+  [ 'invalid weight', '-b select-only@-1', qr{weight spec.* out of range .*: -1} ],
+  [ 'too many scripts', '-S ' x 129, qr{at most 128 SQL scripts} ],
+  [ 'bad #clients', '-c three', qr{invalid number of clients: "three"} ],
+  [ 'bad #threads', '-j eleven', qr{invalid number of threads: "eleven"} ],
+  [ 'bad scale', '-i -s two', qr{invalid scaling factor: "two"} ],
+  [ 'invalid #transactions', '-t zil', qr{invalid number of transactions: "zil"} ],
+  [ 'invalid duration', '-T ten', qr{invalid duration: "ten"} ],
+  [ '-t XOR -T', '-N -l --aggregate-interval=5 --log-prefix=notused -t 1000 -T 1',
+    qr{specify either } ],
+  [ '-T XOR -t', '-P 1 --progress-timestamp -l --sampling-rate=0.001 -T 10 -t 1000',
+    qr{specify either } ],
+  [ 'bad variable', '--define foobla', qr{invalid variable definition} ],
+  [ 'invalid fillfactor', '-F 1', qr{invalid fillfactor} ],
+  [ 'invalid query mode', '-M no-such-mode', qr{invalid query mode} ],
+  [ 'invalid progress', '--progress=0', qr{invalid thread progress delay} ],
+  [ 'invalid rate', '--rate=0.0', qr{invalid rate limit} ],
+  [ 'invalid latency', '--latency-limit=0.0', qr{invalid latency limit} ],
+  [ 'invalid sampling rate', '--sampling-rate=0', qr{invalid sampling rate} ],
+  [ 'invalid aggregate interval', '--aggregate-interval=-3', qr{invalid .* seconds for} ],
+  [ 'weight zero', '-b se@0 -b si@0 -b tpcb@0', qr{weight must not be zero} ],
+  [ 'init vs run', '-i -S', qr{cannot be used in initialization} ],
+  [ 'run vs init', '-S -F 90', qr{cannot be used in benchmarking} ],
+  [ 'ambiguous builtin', '-b s', qr{ambiguous} ],
+  [ '--progress-timestamp => --progress', '--progress-timestamp', qr{allowed only under} ],
+  # loging sub-options
+  [ 'sampling => log', '--sampling-rate=0.01', qr{log sampling .* only when} ],
+  [ 'sampling XOR aggregate', '-l --sampling-rate=0.1 --aggregate-interval=3',
+    qr{sampling .* aggregation .* cannot be used at the same time} ],
+  [ 'aggregate => log', '--aggregate-interval=3', qr{aggregation .* only when} ],
+  [ 'log-prefix => log', '--log-prefix=x', qr{prefix .* only when} ],
+  [ 'duration & aggregation', '-l -T 1 --aggregate-interval=3', qr{aggr.* not be higher} ],
+  [ 'duration % aggregation', '-l -T 5 --aggregate-interval=3', qr{multiple} ],
+);
+
+for my $o (@options)
+{
+  my ($name, $opts, $err_checks) = @$o;
+  pgbench($opts, 1, qr{^$}, $err_checks, 'pgbench option error: ' . $name);
+}
+
+# Help: 7 checks
+pgbench('--help',
+  0,
+  [ qr{benchmarking tool for PostgreSQL}, qr{Usage},
+    qr{Initialization options:}, qr{Common options:}, qr{Report bugs to} ],
+  qr{^$}, 'pgbench help');
+
+# Version
+pgbench(
+  '-V',
+  0, qr{^pgbench .PostgreSQL. }, qr{^$}, 'pgbench version');
+
+# list of builtins
+pgbench(
+  '-b list',
+  0, qr{^$},
+  [ qr{Available builtin scripts:},
+    qr{tpcb-like}, qr{simple-update}, qr{select-only} ],
+  'pgbench buitlin list');
diff --git a/src/test/perl/PostgresNode.pm b/src/test/perl/PostgresNode.pm
index d9aeb27..25c398c 100644
--- a/src/test/perl/PostgresNode.pm
+++ b/src/test/perl/PostgresNode.pm
@@ -1318,6 +1318,25 @@ sub command_like
 
 =pod
 
+=item $node->command_checks_all(...)
+
+Runs a shell command like TestLib::command_checks_all, but with PGPORT
+set so that the command will default to connecting to this
+PostgresNode.
+
+=cut
+
+sub command_checks_all
+{
+	my $self = shift;
+
+	local $ENV{PGPORT} = $self->port;
+
+	TestLib::command_checks_all(@_);
+}
+
+=pod
+
 =item $node->issues_sql_like(cmd, expected_sql, test_name)
 
 Run a command on the node, then verify that $expected_sql appears in the
diff --git a/src/test/perl/TestLib.pm b/src/test/perl/TestLib.pm
index 6dba21c..c38de30 100644
--- a/src/test/perl/TestLib.pm
+++ b/src/test/perl/TestLib.pm
@@ -39,6 +39,7 @@ our @EXPORT = qw(
   command_like
   command_like_safe
   command_fails_like
+  command_checks_all
 
   $windows_os
 );
@@ -330,4 +331,47 @@ sub command_fails_like
 	like($stderr, $expected_stderr, "$test_name: matches");
 }
 
+# run a command and checks its status and outputs.
+# The 5 arguments are:
+# - cmd: space-separated string or [] for command to run
+# - ret: expected exit status
+# - out: one re or [] of re to be checked against stdout
+# - err: one re or [] of re to be checked against stderr
+# - test_name: name of test
+sub command_checks_all
+{
+	my ($cmd, $ret, $out, $err, $test_name) = @_;
+
+	# split command if provided as a string instead of array ref
+	$cmd = [ split /\s+/, $cmd ] unless ref $cmd eq 'ARRAY';
+
+	# run command
+	my ($stdout, $stderr);
+	print("# Running: " . join(" ", @{$cmd}) . "\n");
+	IPC::Run::run($cmd, '>', \$stdout, '2>', \$stderr);
+
+	# On Windows, the exit status of the process is returned directly as the
+	# process's exit code, while on Unix, it's returned in the high bits
+	# of the exit code.
+	my $status = $windows_os ? $? : $? >> 8;
+
+	# check status
+	ok($ret == $status,
+	   "$test_name status (got $status vs expected $ret)");
+
+	# check stdout
+	$out = [ $out ] unless ref $out eq 'ARRAY';
+	for my $re (@$out)
+	{
+		like($stdout, $re, "$test_name out /$re/");
+	}
+
+	# check stderr
+	$err = [ $err] unless ref $err eq 'ARRAY';
+	for my $re (@$err)
+	{
+	  like($stderr, $re, "$test_name err /$re/");
+	}
+}
+
 1;
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