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################################################################
# The general testcase syntax is
# assertionType expectedValue functionUnderTest [args ... ]
#
# where assertionType is either of:
# Code to indicate the (bash-style) integer return code
# String to indicate the string "printed" as a side effect
#
# and functionUnderTest is the function name
# with the "_shellmath_" prefix removed.
################################################################
################################
# Tests for SUPPORTING FUNCTIONS
################################
# Tests for getReturnCode()
Code 0 getReturnCode SUCCESS
Code 1 getReturnCode FAIL
Code 2 getReturnCode ILLEGAL_NUMBER
## Tests for validateAndParse():
## Validate a number, determine its type and sign, split it into parts
# Detect Invalid input
Code 2 validateAndParse NaN
String "" validateAndParse NaN
# Positive integers
String "4 0 0 0 0" validateAndParse 4
# Negative integers
String "9 0 1 0 0" validateAndParse -9
# Decimals
String "4 2 0 1 0" validateAndParse 4.2
# Negative decimals
String "4 2 1 1 0" validateAndParse -4.2
# Scientific / exponential notation: Check all code branches
String "340000 0 0 0 1" validateAndParse 3.4e5
String "344 4 0 1 1" validateAndParse 3.444e2
String "34567 0 0 0 1" validateAndParse 3.4567e4
String "0 003456 0 1 1" validateAndParse 3.456e-3
String "34 56 0 1 1" validateAndParse 345.6e-1
String "0 23011 0 1 1" validateAndParse 23.011e-2
String "23 011 0 1 1" validateAndParse 23.011e0
####################
# Tests for ADDITION
####################
String 4 add 4
String 9 add 4 5
# Same-length decimal tails with no leading zeros, no carry across decimal point
String 2.214 add 1.105 1.109
# Carry across decimal point
String 3.8 add 1.9 1.9
String -3.8 add -1.9 -1.9
# Different-length decimals, one with leading zero
String 2.195 add 1.105 1.09
String -2.195 add -1.105 -1.09
# Same-length tails having leading zeros
String 2.014 add 1.005 1.009
String -2.014 add -1.005 -1.009
# Different-length tails with and without leading zeros
String 3.31462 add 1.905 1.40962
String 2.01462 add 1.005 1.00962
# Subtraction
String 2.5 subtract 5.2 2.7
String -2.5 subtract 2.7 5.2
String 2.5 add 5.2 -2.7
# Integer part equal to 0
String 1.5 add 0.6 0.9
String 1.5 add .6 .9
String -0.3 add 0.6 -0.9
String -0.3 add .6 -.9
# Recursive/multiple addition
String 12 add 2 4 6
String 6.6 add 1.1 2.2 3.3
##########################
# Tests for MULTIPLICATION
##########################
String 4 multiply 4
String 20 multiply 4 5
String 21.32 multiply 4.1 5.2
String -21.32 multiply -4.1 5.2
# Carry-heavy products
String 98.901 multiply 9.9 9.99
# Leading zeros after decimal point:
# Track place value with zero-padding
String 1.0201 multiply 1.01 1.01
String 0.0001 multiply 0.01 0.01
String 0.0001 add 0 0.0001
# Staggered decimal precisions
String 0.000001 multiply 0.01 0.0001
# Interpret in base 10
String 2.2781 multiply 1.09 2.09
# Recursive multiplication
String 35.1384 multiply 1.1 2.2 3.3 4.4
####################
# Tests for DIVISION
####################
String 4 divide 4
String 4 divide 20 5
String 0.5 divide 1 2
String -0.5 divide -1 2
# Mixed fractions
String 34.54 divide 3454 100
# Non-terminating decimals
String 0.166666666666666667 divide 1 6
# Decimal arguments
String 0.25 divide 0.5 2
String 0.04165 divide 0.1666 4
###########################
# Tests for scientific math
###########################
String 8.8e4 add 1.1e4 7.7e4
String 4.239e1 add 1.224e1 3.015e1
String -6.6e4 add 1.1e4 -7.7e4
String -66000 add 11000 -77000
String 1.23123e2 add 1.23e2 1.23e-1
String 8.1403e7 multiply 2.03e5 4.01e2
String 1.0e-7 multiply 1.0e-3 1.0e-4
String 1.0e-7 multiply 1e-3 1e-4
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