From 565386c71f80ac6afb4d53e769c49a67cf7ba41a Mon Sep 17 00:00:00 2001
From: anders_k <anders_k@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Fri, 1 Jun 2018 16:33:13 +0000
Subject: [PATCH] Added some integer tests

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6997 212acab6-be3b-0410-9dea-997c60f758d6
---
 Examples/bigtest.nsi          | 23 +++++++++++++++++++++-
 Source/Tests/preprocessor.nsi | 36 ++++++++++++++++++++++++-----------
 2 files changed, 47 insertions(+), 12 deletions(-)

diff --git a/Examples/bigtest.nsi b/Examples/bigtest.nsi
index eee2a476..8a56a54f 100644
--- a/Examples/bigtest.nsi
+++ b/Examples/bigtest.nsi
@@ -67,7 +67,7 @@ ShowInstDetails show
 Section "" ; empty string makes it hidden, so would starting with -
 
   ; write reg info
-  StrCpy $1 "POOOOOOOOOOOP"
+  StrCpy $1 "Hello World"
   DetailPrint "I like to be able to see what is going on (debug) $1"
   WriteRegStr HKLM SOFTWARE\NSISTest\BigNSISTest "Install_Dir" "$INSTDIR"
 
@@ -149,6 +149,27 @@ SectionEnd
 
 SectionGroup Group2
 
+!define ASSERT `!insertmacro ASSERT "${U+24}{__FILE__}" ${U+24}{__LINE__} `
+!macro ASSERT __file __line __xpr
+${__xpr} +2
+MessageBox MB_ICONSTOP `ASSERT: ${__xpr} (${__file}:${__line})`
+!macroend
+
+Section "Integer"
+IntOp $0 0xffffffff >> 31
+${ASSERT} `IntCmpU $0 -1`
+IntOp $0 0xffffffff >>> 31
+${ASSERT} `IntCmpU $0 1`
+IntOp $0 1 << 31
+${ASSERT} `IntCmpU $0 0x80000000`
+IntOp $0 0x80000000 ^ 0x40000000
+${ASSERT} `IntCmpU $0 0xC0000000`
+ClearErrors
+IntOp $0 1 / 0
+${ASSERT} `IfErrors ` ; Division by zero must set the error flag
+${ASSERT} `IntCmpU $0 0` ; Unspecified result, hopefully it's zero
+SectionEnd
+
 Section "Test Branching" 
   
   BeginTestSection:
diff --git a/Source/Tests/preprocessor.nsi b/Source/Tests/preprocessor.nsi
index fb94c215..c04a64a3 100644
--- a/Source/Tests/preprocessor.nsi
+++ b/Source/Tests/preprocessor.nsi
@@ -97,6 +97,16 @@ this shouldn't be compiled
  !error "!if 'test' == 'test' is true!"
 !endif
 
+
+!define ASSERT `!insertmacro ASSERT "${U+24}{__FILE__}" ${U+24}{__LINE__} `
+!macro ASSERT __file __line __xpr
+!if ${__xpr}
+!else
+!error `ASSERT: ${__xpr} (${__file}:${__line})`
+!endif
+!macroend
+
+
 ; testing of two math functions and a macro hack :)
 !define increase "!insertmacro increase"
 !macro increase DEFINE
@@ -133,21 +143,33 @@ ${increase} number3
   !error "number5 != 1"
 !endif
 
+!define /redef /math OUT1 0xffffffff >> 31
+${ASSERT} '${OUT1} = -1'
+!define /redef /math OUT1 0xffffffff >>> 31
+${ASSERT} '${OUT1} = 1'
+!define /redef /math OUT1 1 << 31
+${ASSERT} '${OUT1} = 0x80000000'
+
+!define /redef /math OUT1 0x80000000 ^ 0x40000000
+${ASSERT} '${OUT1} = 0xC0000000'
+
 ; end math functions
 
+
 # this should just give a warning, not an error
 !include /NONFATAL file_that_doesnt_exist.nsh
 
 # this should include this file just one time.
 !include preprocessor.nsi
 
+
+# test scopes
+
 Section
 Return
 WriteUninstaller uninst.exe # avoid warning
 SectionEnd
 
-# test scopes
-
 !macro TEST_SCOPE scope def should_exist
 
   !if ${should_exist} == y
@@ -220,6 +242,7 @@ PageExEnd
 
 !insertmacro TEST_SCOPES "global" y n n n n
 
+
 # test !pragma
 !pragma warning push
   !pragma warning disable 7000
@@ -236,15 +259,6 @@ PageExEnd
 !pragma warning pop
 
 
-!define ASSERT `!insertmacro ASSERT "${U+24}{__FILE__}" ${U+24}{__LINE__}`
-!macro ASSERT __file __line __xpr
-!if ${__xpr}
-!else
-!error `ASSERT: ${__xpr} (${__file}:${__line})`
-!endif
-!macroend
-
-
 # test !searchparse
 !searchparse "AbcDef" "Abc" OUT1
 ${ASSERT} '${OUT1} S== "Def"'