test/cli/other_test.py: added some tests for preprocessor errors

Author: firewave

test/cli/other_test.py

@@ -3847,3 +3847,105 @@ def test_unmatched_file(tmp_path):  # #14248 / #14249
         f'{lib_file}:-1:0: information: Unmatched suppression: error6 [unmatchedSuppression]'
     ]
     assert ret == 0, stdout
+
+
+def test_simplecpp_warning(tmp_path):
+    test_file = tmp_path / 'test.c'
+    with open(test_file, "w") as f:
+        f.write(
+"""
+#define warning "warn msg"
+""")
+
+    args = [
+        '-q',
+        '--template=simple',
+        str(test_file)
+    ]
+
+    exitcode, stdout, stderr = cppcheck(args)
+    assert exitcode == 0, stdout
+    assert stdout.splitlines() == []
+    assert stderr.splitlines() == []
+
+
+def test_simplecpp_unhandled_char(tmp_path):
+    test_file = tmp_path / 'test.c'
+    with open(test_file, "w", encoding='utf-8') as f:
+        f.write(
+"""
+int 你=0;
+""")
+
+    args = [
+        '-q',
+        '--template=simple',
+        '--emit-duplicates',
+        str(test_file)
+    ]
+
+    exitcode, stdout, stderr = cppcheck(args)
+    assert exitcode == 0, stdout
+    assert stdout.splitlines() == []
+    assert stderr.splitlines() == [
+        # TODO: should report another ID
+        '{}:2:5: error: The code contains unhandled character(s) (character code=228). Neither unicode nor extended ascii is supported. [syntaxError]'.format(test_file)
+    ]
+
+
+def test_simplecpp_include_nested_too_deeply(tmp_path):
+    test_file = tmp_path / 'test.c'
+    with open(test_file, "w") as f:
+        f.write('#include "test.h"')
+
+    test_h = tmp_path / 'test.h'
+    with open(test_h, "w") as f:
+        f.write('#include "test_0.h"')
+
+    for i in range(400):
+        test_h = tmp_path / f'test_{i}.h'
+        with open(test_h, "w") as f:
+            f.write('#include "test_{}.h"'.format(i+1))
+
+    args = [
+        '-q',
+        '--template=simple',
+        '--emit-duplicates',
+        str(test_file)
+    ]
+
+    exitcode, stdout, stderr = cppcheck(args)
+    assert exitcode == 0, stdout
+    assert stdout.splitlines() == []
+    test_h = tmp_path / 'test_398.h'
+    assert stderr.splitlines() == [
+        # TODO: should only report the error once
+        # TODO: should report another ID
+        # TODO: lacks column information
+        '{}:1:0: error: #include nested too deeply [preprocessorErrorDirective]'.format(test_h),
+        '{}:1:2: error: #include nested too deeply [preprocessorErrorDirective]'.format(test_h)
+    ]
+
+
+def test_simplecpp_syntax_error(tmp_path):
+    test_file = tmp_path / 'test.c'
+    with open(test_file, "w") as f:
+        f.write('#include ""')
+
+    args = [
+        '-q',
+        '--template=simple',
+        '--emit-duplicates',
+        str(test_file)
+    ]
+
+    exitcode, stdout, stderr = cppcheck(args)
+    assert exitcode == 0, stdout
+    assert stdout.splitlines() == []
+    assert stderr.splitlines() == [
+        # TODO: should only report the error once
+        # TODO: should report another ID
+        # TODO: lacks column information
+        '{}:1:0: error: No header in #include [preprocessorErrorDirective]'.format(test_file),
+        '{}:1:2: error: No header in #include [preprocessorErrorDirective]'.format(test_file)
+    ]