function test($name, $data, $datatype, $plottype, $expect_fail, $errmatch = '')
{
global $test_verbose, $php_warning, $n_tests, $n_pass, $n_fail;
global $test_debug_images;
$n_tests++;
$php_warning = '';
// Initialize empty. Error handler will append.
$details = '';
// Why it passed or failed.
if ($test_verbose) {
echo "Test case {$n_tests}: {$name}\n";
}
$plot = new PHPlot_noerr();
if (empty($test_debug_images)) {
$plot->SetPrintImage(False);
// Don't produce an image if OK
} else {
$plot->SetTitle("Case {$n_tests}: {$name}");
$plot->SetOutputFile($test_debug_images . sprintf("%03d", $n_tests) . ".png");
$plot->SetIsInline(True);
}
$plot->SetDataType($datatype);
$plot->SetPlotType($plottype);
$failed = !$plot->SetDataValues($data) || !$plot->DrawGraph() || !empty($plot->test_error_text);
$fail_message = $plot->test_error_text;
if ($test_verbose) {
if ($failed) {
echo "Result: PHPlot error: '{$fail_message}'\n";
} else {
echo "Result: PHPlot graph, no error message\n";
}
}
# Evaluate pass/fail status of the test case:
if ($expect_fail) {
if ($failed) {
if (preg_match("{$errmatch}i", $fail_message)) {
$details = "(produced error as expected)\n";
$test_passed = True;
} else {
$details = " Expecting an error, got a different error\n" . " Actual message: {$fail_message}\n" . " Expected to match: {$errmatch}\n";
$test_passed = False;
}
} else {
$details = " Expecting an error, but produced a graph.\n";
$test_passed = False;
}
} else {
// Not expected to fail
if ($failed) {
$details = " Expected a graph, but got this error instead:\n" . " {$fail_message}\n";
$test_passed = False;
} else {
$details = "(produced graph as expected)\n";
$test_passed = True;
}
}
// Fail the test if any notice or warnings were produced:
if (!empty($php_warning)) {
if ($test_passed) {
// Replace the "test passed" message.
$details = "Test would have passed except for PHP warnings or notices:\n" . $php_warning . "\n";
$test_passed = False;
} else {
$details .= "Test also failed due to PHP warnings or notices:\n" . $php_warning . "\n";
}
}
if ($test_passed) {
$n_pass++;
if ($test_verbose) {
echo "Pass {$details}";
}
} else {
$n_fail++;
echo "Failed test case {$n_tests}: {$name}\n{$details}";
}
if ($test_verbose) {
echo "\n";
}
}
function test($name, $plot_type, $data_type, $expected)
{
global $test_verbose, $n_tests, $n_pass, $n_fail;
$n_tests++;
$title = "Test case {$n_tests}: {$name}";
if ($test_verbose) {
echo "{$title}\n";
}
$data = make_data_array($plot_type, $data_type);
# See note above on error handler returning - need to check each method
# here and stop if any returns FALSE, until the last.
$plot = new PHPlot_noerr();
if (!$plot->SetPlotType($plot_type) || !$plot->SetDataType($data_type) || !$plot->SetPrintImage(False) || !$plot->SetDataValues($data)) {
$n_fail++;
echo "Failed test case {$n_tests}: {$name} - Unexpected early error:\n" . " {$plot->test_error_text}\n";
return;
}
$plot->DrawGraph();
# Regular expression match for error: unsupported data type for plot type.
$errmatch = "Data type '[^']*' is not valid for '[^']*' plots";
# Examine result - if there was an error message or not - based on
# the expected outcome.
$err = $plot->test_error_text;
if ($expected) {
# Plot type was expected to accept this data type.
if (empty($err)) {
$test_passed = 1;
} else {
$test_passed = 0;
$details = "Plot type did not accept this data type." . " Error is:\n {$err}";
}
} else {
# Plot type was expected to NOT accept this data type.
if (empty($err)) {
$test_passed = 0;
$details = "Plot type did not report an error for this data type.";
} elseif (preg_match("/{$errmatch}/", $err)) {
$test_passed = 1;
} else {
$test_passed = 0;
$details = "Plot type reported an error, but not the expected" . " error:\n {$err}";
}
}
if ($test_passed) {
$n_pass++;
} else {
$n_fail++;
echo "Failed test case {$n_tests}: {$name}\n{$details}\n";
}
}