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#include "yaml-cpp/yaml.h" // IWYU pragma: keep
#include "gtest/gtest.h"
#define EXPECT_THROW_EXCEPTION(exception_type, statement, message) \
ASSERT_THROW(statement, exception_type); \
try { \
statement; \
} catch (const exception_type& e) { \
EXPECT_EQ(e.msg, message); \
}
namespace YAML {
namespace {
TEST(ErrorMessageTest, BadSubscriptErrorMessage) {
const char *example_yaml = "first:\n"
" second: 1\n"
" third: 2\n";
Node doc = Load(example_yaml);
// Test that printable key is part of error message
EXPECT_THROW_EXCEPTION(YAML::BadSubscript, doc["first"]["second"]["fourth"],
"operator[] call on a scalar (key: \"fourth\")");
EXPECT_THROW_EXCEPTION(YAML::BadSubscript, doc["first"]["second"][37],
"operator[] call on a scalar (key: \"37\")");
// Non-printable key is not included in error message
EXPECT_THROW_EXCEPTION(YAML::BadSubscript,
doc["first"]["second"][std::vector<int>()],
"operator[] call on a scalar");
EXPECT_THROW_EXCEPTION(YAML::BadSubscript, doc["first"]["second"][Node()],
"operator[] call on a scalar");
}
TEST(ErrorMessageTest, Ex9_1_InvalidNodeErrorMessage) {
const char *example_yaml = "first:\n"
" second: 1\n"
" third: 2\n";
const Node doc = Load(example_yaml);
// Test that printable key is part of error message
EXPECT_THROW_EXCEPTION(YAML::InvalidNode, doc["first"]["fourth"].as<int>(),
"invalid node; first invalid key: \"fourth\"");
EXPECT_THROW_EXCEPTION(YAML::InvalidNode, doc["first"][37].as<int>(),
"invalid node; first invalid key: \"37\"");
// Non-printable key is not included in error message
EXPECT_THROW_EXCEPTION(YAML::InvalidNode,
doc["first"][std::vector<int>()].as<int>(),
"invalid node; this may result from using a map "
"iterator as a sequence iterator, or vice-versa");
}
}
}
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