diff --git a/sandboxed_api/examples/sum/main_sum_test.sh b/sandboxed_api/examples/sum/main_sum_test.sh
new file mode 100755
index 0000000..0c9b121
--- /dev/null
+++ b/sandboxed_api/examples/sum/main_sum_test.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+# Unit test for main_sum example.
+
+source googletest.sh || exit 1
+
+[[ -n "$COVERAGE" ]] && exit 0
+
+BIN=$TEST_SRCDIR/com_google_sandboxed_api/sandboxed_api/examples/sum/main_sum
+
+"$BIN" || die 'FAILED: it should have exited with 0'
+
+echo 'PASS'
+
diff --git a/sandboxed_api/examples/zlib/main_zlib_test.sh b/sandboxed_api/examples/zlib/main_zlib_test.sh
new file mode 100755
index 0000000..f3406bb
--- /dev/null
+++ b/sandboxed_api/examples/zlib/main_zlib_test.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+# Unit test for main_zlib example.
+
+source googletest.sh || exit 1
+
+[[ -n "$COVERAGE" ]] && exit 0
+
+BIN=$TEST_SRCDIR/com_google_sandboxed_api/sandboxed_api/examples/zlib/main_zlib
+TESTDATA="$TEST_SRCDIR/com_google_sandboxed_api/sandboxed_api/examples/zlib/testdata"
+
+echo "aaaa" | "$BIN" || die 'FAILED: it should have exited with 0'
+
+capture_test_stdout
+echo "This is a test string" | "$BIN"
+diff_test_stdout "$TESTDATA/simple.out"
+
+capture_test_stdout
+cat "$TESTDATA/zlib_main" | "$BIN"
+diff_test_stdout "$TESTDATA/complex.out"
+
+echo 'PASS'
diff --git a/sandboxed_api/sandbox2/examples/custom_fork/custom_fork_sandbox_test.sh b/sandboxed_api/sandbox2/examples/custom_fork/custom_fork_sandbox_test.sh
new file mode 100755
index 0000000..1d9a738
--- /dev/null
+++ b/sandboxed_api/sandbox2/examples/custom_fork/custom_fork_sandbox_test.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+# Unit test for the custom_fork_sandbox example.
+
+source googletest.sh || exit 1
+
+[[ -n "$COVERAGE" ]] && exit 0
+
+BIN=$TEST_SRCDIR/com_google_sandboxed_api/sandboxed_api/sandbox2/examples/custom_fork/custom_fork_sandbox
+
+"$BIN" || die 'FAILED: it should have exited with 0'
+
+echo 'PASS'
diff --git a/sandboxed_api/sandbox2/examples/network/network_sandbox_test.sh b/sandboxed_api/sandbox2/examples/network/network_sandbox_test.sh
new file mode 100755
index 0000000..01ea867
--- /dev/null
+++ b/sandboxed_api/sandbox2/examples/network/network_sandbox_test.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+source googletest.sh || exit 1
+
+# Find input files
+BINDIR=$TEST_SRCDIR/com_google_sandboxed_api/sandboxed_api/sandbox2
+EXE=$BINDIR/examples/network/network_sandbox
+
+# test it
+ls "${EXE}" || exit 2
+
+"${EXE}" || die 'FAILED: it should have exited with 0'
+
+exit 0
diff --git a/sandboxed_api/sandbox2/examples/network_proxy/networkproxy_sandbox_test.sh b/sandboxed_api/sandbox2/examples/network_proxy/networkproxy_sandbox_test.sh
new file mode 100755
index 0000000..0b22a06
--- /dev/null
+++ b/sandboxed_api/sandbox2/examples/network_proxy/networkproxy_sandbox_test.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+source googletest.sh || exit 1
+
+# Find input files
+BINDIR=$TEST_SRCDIR/com_google_sandboxed_api/sandboxed_api/sandbox2
+EXE=$BINDIR/examples/network_proxy/networkproxy_sandbox
+
+# test it
+ls "${EXE}" || exit 2
+
+"${EXE}" --connect_with_handler || die 'TEST1 FAILED: it should have exited with 0'
+"${EXE}" --noconnect_with_handler || \
+    die 'TEST2 FAILED: it should have exited with 0'
+
+exit 0
diff --git a/sandboxed_api/sandbox2/examples/static/static_sandbox_test.sh b/sandboxed_api/sandbox2/examples/static/static_sandbox_test.sh
new file mode 100755
index 0000000..856c102
--- /dev/null
+++ b/sandboxed_api/sandbox2/examples/static/static_sandbox_test.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+# Unit test for static_sandbox example.
+
+source googletest.sh || exit 1
+
+[[ -n "$COVERAGE" ]] && exit 0
+
+BIN=$TEST_SRCDIR/com_google_sandboxed_api/sandboxed_api/sandbox2/examples/static/static_sandbox
+
+"$BIN" || die 'FAILED: it should have exited with 0'
+
+echo 'PASS'
diff --git a/sandboxed_api/sandbox2/examples/tool/sandbox2tool_test.sh b/sandboxed_api/sandbox2/examples/tool/sandbox2tool_test.sh
new file mode 100755
index 0000000..d39bb49
--- /dev/null
+++ b/sandboxed_api/sandbox2/examples/tool/sandbox2tool_test.sh
@@ -0,0 +1,99 @@
+#!/bin/bash
+# Unit test for sandbox2tool example.
+
+source googletest.sh || exit 1
+
+BIN=$TEST_SRCDIR/com_google_sandboxed_api/sandboxed_api/sandbox2/examples/tool/sandbox2tool
+
+out=$("$BIN" -sandbox2tool_resolve_and_add_libraries -sandbox2tool_walltime_timeout=1 /bin/sleep 60 2>&1)
+result=$?
+if [[ $result -ne 2 ]]; then
+  echo "$out" >&2
+  die 'sleep 60 should hit walltime 1 and return 2 (sandbox violation)'
+fi
+if [[ "$out" != *"Process TIMEOUT"* ]]; then
+  echo "$out" >&2
+  die 'sleep 60 should hit walltime 1 and timeout'
+fi
+
+out=$("$BIN" -sandbox2tool_resolve_and_add_libraries -sandbox2tool_pause_kill -- /bin/sleep 5 2>&1)
+result=$?
+if [[ $result -ne 2 ]]; then
+  echo "$out" >&2
+  die 'pausing and then killing the command should return 2 (sandbox violation)'
+fi
+if [[ "$out" != *"Process terminated with a SIGNAL"* ]]; then
+  echo "$out" >&2
+  die 'pausing and killing sleep command should be terminated with SIGKILL'
+fi
+
+out=$("$BIN" \
+      --sandbox2tool_resolve_and_add_libraries \
+      --sandbox2tool_additional_bind_mounts '/etc,/proc' \
+      --sandbox2tool_mount_tmp \
+      -- /bin/cat /proc/1/cmdline 2>&1)
+result=$?
+if [[ $result -ne 0 ]]; then
+  echo "$out" >&2
+  die 'reading /proc/1/cmdline should not fail'
+fi
+
+out=$("$BIN" \
+      --sandbox2tool_resolve_and_add_libraries \
+      --sandbox2tool_additional_bind_mounts '/etc,/proc' \
+      -sandbox2tool_mount_tmp \
+      -- /bin/ls /proc/1/fd/ 2>&1)
+result=$?
+if [[ $result -ne 0 ]]; then
+  echo "$out" >&2
+  die 'listing /proc/1/fd  should work'
+fi
+
+out=$("$BIN" \
+      --sandbox2tool_resolve_and_add_libraries \
+      --sandbox2tool_additional_bind_mounts '/etc' \
+      -- /bin/ls /tmp 2>&1)
+result=$?
+if [[ $result -ne 1 ]]; then
+  echo "$out" >&2
+  die "ls /tmp should return 1 (child error) but was $result"
+fi
+
+out=$("$BIN" \
+      --sandbox2tool_resolve_and_add_libraries \
+      --sandbox2tool_additional_bind_mounts '/tmp' \
+      -- /bin/sh -c 'echo "test" > /tmp/sb2tool_test_file' 2>&1)
+result=$?
+if [[ $result -ne 1 ]]; then
+  echo "$out" >&2
+  die "it shouldn't be possible to write to a ro-mapping. Result was: $result"
+fi
+
+SB2_TMP_DIR="$TEST_TMPDIR/sb2tool_test_dir"
+mkdir "$SB2_TMP_DIR" || die "couldn't create tmp directory"
+
+out=$("$BIN" \
+      --sandbox2tool_resolve_and_add_libraries \
+      --sandbox2tool_additional_bind_mounts "$SB2_TMP_DIR" \
+      -sandbox2tool_mount_tmp \
+      -- /bin/sh -c "cd $SB2_TMP_DIR" 2>&1)
+result=$?
+if [[ $result -ne 0 ]]; then
+  echo "$out" >&2
+  die "Nested mounts under tmpfs should work. Result was: $result"
+fi
+
+
+echo 'hello world' > "$SB2_TMP_DIR/hello"
+out=$("$BIN" \
+      --sandbox2tool_resolve_and_add_libraries \
+      --sandbox2tool_additional_bind_mounts "/etc,$SB2_TMP_DIR/hello=>/etc/passwd" \
+      -sandbox2tool_mount_tmp \
+      -- /bin/grep "hello world" /etc/passwd)
+result=$?
+if [[ $result -ne 0 ]]; then
+  echo "$out" >&2
+  die "Nested mounts should work. Result was: $result"
+fi
+
+echo 'PASS'