0122697561
Invalid access via operator[] or as<> will now print the offending key, if possible. For example: a: x: 1 y: 2 node["a"]["z"].as<int>() will say that the key "z" was invalid.
62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
#include "yaml-cpp/yaml.h" // IWYU pragma: keep
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#include "gtest/gtest.h"
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#define EXPECT_THROW_EXCEPTION(exception_type, statement, message) \
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ASSERT_THROW(statement, exception_type); \
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try { \
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statement; \
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} catch (const exception_type& e) { \
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EXPECT_EQ(e.msg, message); \
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}
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namespace YAML {
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namespace {
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TEST(ErrorMessageTest, BadSubscriptErrorMessage) {
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const char *example_yaml = "first:\n"
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" second: 1\n"
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" third: 2\n";
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Node doc = Load(example_yaml);
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// Test that printable key is part of error message
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EXPECT_THROW_EXCEPTION(YAML::BadSubscript, doc["first"]["second"]["fourth"],
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"operator[] call on a scalar (key: \"fourth\")");
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EXPECT_THROW_EXCEPTION(YAML::BadSubscript, doc["first"]["second"][37],
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"operator[] call on a scalar (key: \"37\")");
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// Non-printable key is not included in error message
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EXPECT_THROW_EXCEPTION(YAML::BadSubscript,
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doc["first"]["second"][std::vector<int>()],
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"operator[] call on a scalar");
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EXPECT_THROW_EXCEPTION(YAML::BadSubscript, doc["first"]["second"][Node()],
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"operator[] call on a scalar");
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}
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TEST(ErrorMessageTest, Ex9_1_InvalidNodeErrorMessage) {
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const char *example_yaml = "first:\n"
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" second: 1\n"
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" third: 2\n";
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const Node doc = Load(example_yaml);
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// Test that printable key is part of error message
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EXPECT_THROW_EXCEPTION(YAML::InvalidNode, doc["first"]["fourth"].as<int>(),
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"invalid node; first invalid key: \"fourth\"");
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EXPECT_THROW_EXCEPTION(YAML::InvalidNode, doc["first"][37].as<int>(),
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"invalid node; first invalid key: \"37\"");
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// Non-printable key is not included in error message
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EXPECT_THROW_EXCEPTION(YAML::InvalidNode,
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doc["first"][std::vector<int>()].as<int>(),
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"invalid node; this may result from using a map "
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"iterator as a sequence iterator, or vice-versa");
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}
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}
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}
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