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Tolerate floating point minor differences in compatibility tests

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Lauri Virtanen 2024-11-28 19:28:00 +02:00
parent 9720f63a55
commit 793a85a14c
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1 changed files with 33 additions and 0 deletions
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33
testing/tester.tcl
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@ -32,3 +32,36 @@ proc do_execsql_test_on_specific_db {db_name test_name sql_statements expected_o
set combined_expected_output [join $expected_outputs "\n"]
run_test $::sqlite_exec $db_name $combined_sql $combined_expected_output
}
proc within_tolerance {actual expected tolerance} {
expr {abs($actual - $expected) <= $tolerance}
}
proc do_execsql_test_tolerance {test_name sql_statements expected_outputs tolerance} {
puts "Running test: $test_name"
set combined_sql [string trim $sql_statements]
set actual_output [evaluate_sql $::sqlite_exec $combined_sql]
set actual_values [split $actual_output "\n"]
set expected_values [split $expected_outputs "\n"]
if {[llength $actual_values] != [llength $expected_values]} {
puts "Test FAILED: '$sql_statements'"
puts "returned '$actual_output'"
puts "expected '$expected_outputs'"
exit 1
}
for {set i 0} {$i < [llength $actual_values]} {incr i} {
set actual [lindex $actual_values $i]
set expected [lindex $expected_values $i]
if {![within_tolerance $actual $expected $tolerance]} {
set lower_bound [expr {$expected - $tolerance}]
set upper_bound [expr {$expected + $tolerance}]
puts "Test FAILED: '$sql_statements'"
puts "returned '$actual'"
puts "expected a value within the range \[$lower_bound, $upper_bound\]"
exit 1
}
}
}