#!/usr/bin/env bash
test_description="argument parsing"
-. ./test-lib.sh
+. $(dirname "$0")/test-lib.sh || exit 1
test_begin_subtest "sanity check"
-$TEST_DIRECTORY/arg-test pos1 --keyword=one --string=foo pos2 --int=7 --flag=one --flag=three > OUTPUT
+$TEST_DIRECTORY/arg-test pos1 --keyword=one --boolean --string=foo pos2 --int=7 --flag=one --flag=three > OUTPUT
cat <<EOF > EXPECTED
+boolean 1
keyword 1
flags 5
int 7
positional arg 1 pos1
positional arg 2 pos2
EOF
-test_expect_equal_file OUTPUT EXPECTED
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "sanity check zero values"
+$TEST_DIRECTORY/arg-test --keyword=zero --boolean=false --int=0 > OUTPUT
+cat <<EOF > EXPECTED
+boolean 0
+keyword 0
+int 0
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "space instead of = between parameter name and value"
+# Note: spaces aren't allowed for booleans. false turns into a positional arg!
+$TEST_DIRECTORY/arg-test --keyword one --boolean false --string foo --int 7 --flag one --flag three > OUTPUT
+cat <<EOF > EXPECTED
+boolean 1
+keyword 1
+flags 5
+int 7
+string foo
+positional arg 1 false
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "--boolean=true"
+$TEST_DIRECTORY/arg-test --boolean=true > OUTPUT
+cat <<EOF > EXPECTED
+boolean 1
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "--boolean=false"
+$TEST_DIRECTORY/arg-test --boolean=false > OUTPUT
+cat <<EOF > EXPECTED
+boolean 0
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "--no-boolean"
+$TEST_DIRECTORY/arg-test --no-boolean > OUTPUT
+cat <<EOF > EXPECTED
+boolean 0
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "--no-flag"
+$TEST_DIRECTORY/arg-test --flag=one --flag=three --no-flag=three > OUTPUT
+cat <<EOF > EXPECTED
+flags 1
+EOF
+test_expect_equal_file EXPECTED OUTPUT
test_done