test_utilMore.cpp File Reference

Additional unit tests for PROFINET utility helpers. More...

#include <gtest/gtest.h>
#include <array>
#include <chrono>
#include <cstdint>
#include <string>
#include <vector>
#include "profinet/exceptions.h"
#include "profinet/protocol.h"
#include "profinet/udpSocket.h"
#include "profinet/util.h"

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Go to the source code of this file.

Functions
	TEST_F (UtilMoreTests, HexFormattersHandleBoundaries)
	TEST_F (UtilMoreTests, ToVecConvertsStringBytes)
	TEST_F (UtilMoreTests, ToHexHandlesRawPointerAndEmptyInput)
	TEST_F (UtilMoreTests, DecodeBytesPreservesEmbeddedNul)
	TEST_F (UtilMoreTests, String2MacAcceptsCanonicalHexDigits)
	TEST_F (UtilMoreTests, String2MacRejectsMalformedVariants)
	TEST_F (UtilMoreTests, IpConversionHandlesBoundaryAddresses)
	TEST_F (UtilMoreTests, String2IpRejectsInvalidLength)
	TEST_F (UtilMoreTests, Ip2StringRejectsExtraComponents)
	TEST_F (UtilMoreTests, SkipVlanTagsHandlesTruncatedTag)
	TEST_F (UtilMoreTests, SkipVlanTagsLeavesOrdinaryEtherTypeUntouched)
	TEST_F (UtilMoreTests, SkipVlanTagsHandlesTripleTaggedFrame)
	TEST_F (UtilMoreTests, MaxTimeoutRemainingIsPositiveBeforeExpiry)
	TEST_F (UtilMoreTests, MaxTimeoutRemainingIsZeroAfterExpiry)
	TEST_F (UtilMoreTests, MaxTimeoutHandlesPastDeadline)
	TEST_F (UtilMoreTests, GetExecutableDirectoryReturnsExistingDirectory)
	TEST_F (UtilMoreTests, GetMacRejectsUnknownInterface)
	TEST_F (UtilMoreTests, GetMacReadsLoopbackInterface)
	TEST_F (UtilMoreTests, SkipVlanTagsRecognizesSupportedTpids)
	TEST_F (UtilMoreTests, SkipVlanTagsStopsAfterSupportedTag)
	TEST_F (UtilMoreTests, SkipVlanTagsHandlesShortFrame)
	TEST_F (UtilMoreTests, SkipVlanTagsHandlesIncompleteVlanHeader)
	TEST_F (UtilMoreTests, String2MacHandlesBoundaryValues)
	TEST_F (UtilMoreTests, String2MacRejectsWrongDelimiterPosition)
	TEST_F (UtilMoreTests, String2MacRejectsWhitespace)
	TEST_F (UtilMoreTests, Mac2StringRejectsInvalidLength)
	TEST_F (UtilMoreTests, String2IpHandlesExactAndExtendedInput)
	TEST_F (UtilMoreTests, DecodeBytesPreservesNonPaddedData)
	TEST_F (UtilMoreTests, DecodeBytesHandlesAllNuls)

Detailed Description

Additional unit tests for PROFINET utility helpers.

Covers hexadecimal formatting, byte/vector conversion, VLAN scanning, IPv4 edge cases, decode behavior, timeout remaining-time semantics, and safe move operations for local socket wrappers.

Definition in file test_utilMore.cpp.

Function Documentation

TEST_F() [1/29]

TEST_F	(	UtilMoreTests	,
		DecodeBytesHandlesAllNuls
	)

Test:

Verify DecodeBytes reduces an all-zero buffer to an empty string.

Definition at line 289 of file test_utilMore.cpp.

References profinet::DecodeBytes().

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TEST_F() [2/29]

TEST_F	(	UtilMoreTests	,
		DecodeBytesPreservesEmbeddedNul
	)

Test:

Verify DecodeBytes decodes an embedded NUL but removes trailing NUL padding.

Definition at line 66 of file test_utilMore.cpp.

References profinet::DecodeBytes().

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TEST_F() [3/29]

TEST_F	(	UtilMoreTests	,
		DecodeBytesPreservesNonPaddedData
	)

Test:

Verify DecodeBytes preserves data when no trailing NUL exists.

Definition at line 281 of file test_utilMore.cpp.

References profinet::DecodeBytes().

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TEST_F() [4/29]

TEST_F	(	UtilMoreTests	,
		GetExecutableDirectoryReturnsExistingDirectory
	)

Test:

Verify GetExecutableDirectory returns an existing absolute directory.

Definition at line 175 of file test_utilMore.cpp.

References profinet::GetExecutableDirectory().

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TEST_F() [5/29]

TEST_F	(	UtilMoreTests	,
		GetMacReadsLoopbackInterface
	)

Test:

Verify GetMac returns six bytes for the loopback interface.

Definition at line 191 of file test_utilMore.cpp.

References profinet::GetInterfaceMac(), and profinet::macAddressLength.

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TEST_F() [6/29]

TEST_F	(	UtilMoreTests	,
		GetMacRejectsUnknownInterface
	)

Test:

Verify GetMac rejects an interface that does not exist.

Definition at line 185 of file test_utilMore.cpp.

References profinet::GetInterfaceMac().

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TEST_F() [7/29]

TEST_F	(	UtilMoreTests	,
		HexFormattersHandleBoundaries
	)

Test:

Verify hexadecimal formatters preserve leading zeroes and case.

Definition at line 33 of file test_utilMore.cpp.

References profinet::Hex2(), and profinet::Hex4().

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TEST_F() [8/29]

TEST_F	(	UtilMoreTests	,
		Ip2StringRejectsExtraComponents
	)

Test:

Verify Ip2String rejects extra IPv4 components.

Definition at line 105 of file test_utilMore.cpp.

References profinet::Ip2String().

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TEST_F() [9/29]

TEST_F	(	UtilMoreTests	,
		IpConversionHandlesBoundaryAddresses
	)

Test:

Verify IPv4 conversion accepts zero and broadcast addresses.

Definition at line 91 of file test_utilMore.cpp.

References profinet::Ip2String(), and profinet::String2Ip().

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TEST_F() [10/29]

TEST_F	(	UtilMoreTests	,
		Mac2StringRejectsInvalidLength
	)

Test:

Verify Mac2String rejects buffers that are not exactly six bytes.

Definition at line 266 of file test_utilMore.cpp.

References profinet::Mac2String().

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TEST_F() [11/29]

TEST_F	(	UtilMoreTests	,
		MaxTimeoutHandlesPastDeadline
	)

Test:

Verify MaxTimeout reports a near-zero timeout as elapsed when started in the past.

Definition at line 167 of file test_utilMore.cpp.

References profinet::MaxTimeout::TimedOut().

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TEST_F() [12/29]

TEST_F	(	UtilMoreTests	,
		MaxTimeoutRemainingIsPositiveBeforeExpiry
	)

Test:

Verify MaxTimeout::Remaining is positive before expiration.

Definition at line 149 of file test_utilMore.cpp.

References profinet::MaxTimeout::Remaining(), and profinet::MaxTimeout::TimedOut().

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TEST_F() [13/29]

TEST_F	(	UtilMoreTests	,
		MaxTimeoutRemainingIsZeroAfterExpiry
	)

Test:

Verify MaxTimeout::Remaining returns zero after expiration.

Definition at line 158 of file test_utilMore.cpp.

References profinet::MaxTimeout::Remaining(), and profinet::MaxTimeout::TimedOut().

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TEST_F() [14/29]

TEST_F	(	UtilMoreTests	,
		SkipVlanTagsHandlesIncompleteVlanHeader
	)

Test:

Verify SkipVlanTags handles a frame ending exactly at the minimum VLAN header.

Definition at line 233 of file test_utilMore.cpp.

References frame, and profinet::SkipVlanTags().

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TEST_F() [15/29]

TEST_F	(	UtilMoreTests	,
		SkipVlanTagsHandlesShortFrame
	)

Test:

Verify SkipVlanTags returns the Ethernet EtherType offset for an empty frame.

Definition at line 227 of file test_utilMore.cpp.

References profinet::SkipVlanTags().

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TEST_F() [16/29]

TEST_F	(	UtilMoreTests	,
		SkipVlanTagsHandlesTripleTaggedFrame
	)

Test:

Verify SkipVlanTags can walk several stacked VLAN tags.

Definition at line 131 of file test_utilMore.cpp.

References frame, and profinet::SkipVlanTags().

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TEST_F() [17/29]

TEST_F	(	UtilMoreTests	,
		SkipVlanTagsHandlesTruncatedTag
	)

Test:

Verify SkipVlanTags stops safely on truncated VLAN tags.

Definition at line 111 of file test_utilMore.cpp.

References frame, and profinet::SkipVlanTags().

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TEST_F() [18/29]

TEST_F	(	UtilMoreTests	,
		SkipVlanTagsLeavesOrdinaryEtherTypeUntouched
	)

Test:

Verify SkipVlanTags does not skip unrelated EtherTypes.

Definition at line 121 of file test_utilMore.cpp.

References frame, and profinet::SkipVlanTags().

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TEST_F() [19/29]

TEST_F	(	UtilMoreTests	,
		SkipVlanTagsRecognizesSupportedTpids
	)

Test:

Verify SkipVlanTags recognizes each supported VLAN TPID.

Definition at line 198 of file test_utilMore.cpp.

References frame, and profinet::SkipVlanTags().

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TEST_F() [20/29]

TEST_F	(	UtilMoreTests	,
		SkipVlanTagsStopsAfterSupportedTag
	)

Test:

Verify SkipVlanTags stops after a complete VLAN tag followed by a normal EtherType.

Definition at line 216 of file test_utilMore.cpp.

References frame, and profinet::SkipVlanTags().

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TEST_F() [21/29]

TEST_F	(	UtilMoreTests	,
		String2IpHandlesExactAndExtendedInput
	)

Test:

Verify String2Ip accepts exactly four bytes and ignores additional bytes.

Definition at line 273 of file test_utilMore.cpp.

References profinet::String2Ip().

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TEST_F() [22/29]

TEST_F	(	UtilMoreTests	,
		String2IpRejectsInvalidLength
	)

Test:

Verify String2Ip rejects lengths other than four bytes.

Definition at line 98 of file test_utilMore.cpp.

References profinet::String2Ip().

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TEST_F() [23/29]

TEST_F	(	UtilMoreTests	,
		String2MacAcceptsCanonicalHexDigits
	)

Test:

Verify MAC parsing accepts uppercase and mixed separators consistently.

Definition at line 75 of file test_utilMore.cpp.

References profinet::String2Mac().

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TEST_F() [24/29]

TEST_F	(	UtilMoreTests	,
		String2MacHandlesBoundaryValues
	)

Test:

Verify String2Mac accepts all-zero and all-FF MAC addresses.

Definition at line 243 of file test_utilMore.cpp.

References profinet::String2Mac().

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TEST_F() [25/29]

TEST_F	(	UtilMoreTests	,
		String2MacRejectsMalformedVariants
	)

Test:

Verify MAC parsing rejects malformed component counts and lengths.

Definition at line 82 of file test_utilMore.cpp.

References profinet::String2Mac().

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TEST_F() [26/29]

TEST_F	(	UtilMoreTests	,
		String2MacRejectsWhitespace
	)

Test:

Verify String2Mac rejects whitespace and other non-hex characters.

Definition at line 261 of file test_utilMore.cpp.

References profinet::String2Mac().

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TEST_F() [27/29]

TEST_F	(	UtilMoreTests	,
		String2MacRejectsWrongDelimiterPosition
	)

Test:

Verify String2Mac rejects a valid-length address containing a misplaced delimiter.

Definition at line 255 of file test_utilMore.cpp.

References profinet::String2Mac().

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TEST_F() [28/29]

TEST_F	(	UtilMoreTests	,
		ToHexHandlesRawPointerAndEmptyInput
	)

Test:

Verify ToHex handles a raw pointer as well as an empty buffer.

Definition at line 56 of file test_utilMore.cpp.

References profinet::ToHex().

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TEST_F() [29/29]

TEST_F	(	UtilMoreTests	,
		ToVecConvertsStringBytes
	)

Test:

Verify ToVec converts every input character to one byte.

Definition at line 45 of file test_utilMore.cpp.

References profinet::ToVec().

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