tests: Add variable expansion tests
There are some corner cases in variable expansion which would be nice to capture before going and rewriting the variable expansion code. The majority of these are related to configuring files and strings with '@' in them in conjunction with @ONLY being specified. Another is testing for '(' usage inside of ENV variable references based on whether it is quoted or not.
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@ -0,0 +1 @@
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-->wrong<--
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@ -0,0 +1,9 @@
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set(right "wrong")
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set(var "\${right}")
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# Expanded here.
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set(ref "@var@")
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# 'right' is dereferenced because 'var' was dereferenced when
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# assigning to 'ref' above.
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string(CONFIGURE "${ref}" output)
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message("-->${output}<--")
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@ -0,0 +1 @@
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-->\${right}<--
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@ -0,0 +1,8 @@
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set(right "wrong")
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set(var "\${right}")
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# Expanded here.
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set(ref "@var@")
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# No dereference done at all.
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string(CONFIGURE "${ref}" output @ONLY)
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message("-->${output}<--")
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@ -0,0 +1,5 @@
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-->==>\${right}<==
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==><==
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==>\${var}<==
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==>\${empty}<==
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<--
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@ -0,0 +1,9 @@
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set(right "wrong")
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set(var "\${right}")
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configure_file(
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"${CMAKE_CURRENT_SOURCE_DIR}/atfile.txt.in"
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"${CMAKE_CURRENT_BINARY_DIR}/atfile.txt"
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@ONLY)
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file(READ "${CMAKE_CURRENT_BINARY_DIR}/atfile.txt" output)
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message("-->${output}<--")
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@ -0,0 +1 @@
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-->\${right}<--
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@ -0,0 +1,8 @@
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# Literal since 'var' is not defined.
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set(ref "@var@")
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set(right "wrong")
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set(var "\${right}")
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# 'var' is dereferenced here.
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string(CONFIGURE "${ref}" output)
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message("-->${output}<--")
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@ -0,0 +1 @@
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-->\${right}<--
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@ -0,0 +1,8 @@
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# Literal since 'var' is not defined.
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set(ref "@var@")
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set(right "wrong")
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set(var "\${right}")
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# 'var' is dereferenced, but now 'right'
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string(CONFIGURE "${ref}" output @ONLY)
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message("-->${output}<--")
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@ -0,0 +1,5 @@
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-->==>\${right}<==
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==><==
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==>\${right}<==
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==><==
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<--
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@ -0,0 +1,8 @@
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set(right "wrong")
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set(var "\${right}")
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configure_file(
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"${CMAKE_CURRENT_SOURCE_DIR}/atfile.txt.in"
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"${CMAKE_CURRENT_BINARY_DIR}/atfile.txt")
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file(READ "${CMAKE_CURRENT_BINARY_DIR}/atfile.txt" output)
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message("-->${output}<--")
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@ -0,0 +1 @@
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-->"<--
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@ -0,0 +1,9 @@
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set(var "\"")
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set(ref "@var@")
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set(rref "\${var}")
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string(CONFIGURE "${ref}" output ESCAPE_QUOTES)
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message("-->${output}<--")
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string(CONFIGURE "${rref}" output ESCAPE_QUOTES)
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message("-->${output}<--")
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@ -0,0 +1 @@
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-->\\n<--
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@ -0,0 +1,5 @@
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set(var "n")
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set(ref "\\@var@")
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string(CONFIGURE "${ref}" output)
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message("-->${output}<--")
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@ -0,0 +1 @@
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-->@foo@<--
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@ -0,0 +1,6 @@
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set("\${varname}" bar)
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set(var foo)
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set(ref "@\${var}@")
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string(CONFIGURE "${ref}" output)
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message("-->${output}<--")
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@ -0,0 +1 @@
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1
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@ -0,0 +1,20 @@
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CMake Warning \(dev\) at CMakeLists.txt:3 \(include\):
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Syntax Warning in cmake code at
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.*/Tests/RunCMake/Syntax/ParenInENV.cmake:2:21
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Argument not separated from preceding token by whitespace.
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This warning is for project developers. Use -Wno-dev to suppress it.
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CMake Error at ParenInENV.cmake:2 \(message\):
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Syntax error in cmake code at
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.*/Tests/RunCMake/Syntax/ParenInENV.cmake:2
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when parsing string
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-->\$ENV{e
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syntax error, unexpected \$end, expecting } \(9\)
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Call Stack \(most recent call first\):
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CMakeLists.txt:3 \(include\)
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@ -0,0 +1,2 @@
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set("ENV{e(x)}" value)
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message(-->$ENV{e(x)}<--)
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@ -0,0 +1 @@
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-->value<--
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@ -0,0 +1,2 @@
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set("ENV{e(x)}" value)
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message("-->$ENV{e(x)}<--")
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@ -52,3 +52,16 @@ run_cmake(UnterminatedString)
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run_cmake(UnterminatedBracket0)
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run_cmake(UnterminatedBracket1)
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run_cmake(UnterminatedBracketComment)
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# Variable expansion tests
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run_cmake(ExpandInAt)
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run_cmake(EscapedAt)
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run_cmake(EscapeQuotes)
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run_cmake(AtWithVariable)
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run_cmake(AtWithVariableEmptyExpansion)
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run_cmake(AtWithVariableAtOnly)
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run_cmake(AtWithVariableEmptyExpansionAtOnly)
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run_cmake(AtWithVariableFile)
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run_cmake(AtWithVariableAtOnlyFile)
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run_cmake(ParenInENV)
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run_cmake(ParenInQuotedENV)
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==>@var@<==
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==>@empty@<==
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==>${var}<==
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==>${empty}<==
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