#!/usr/bin/env bats load bats-extra # local version: 1.0.0.0 # Output your triplets, comma-separated, one per line. @test "triplets whose sum is 12" { #[[ $BATS_RUN_SKIPPED == "true" ]] || skip run gawk -f pythagorean-triplet.awk -v sum=12 assert_success actual=$( sort -t, -n -k1,1 <<< "$output" ) expected="3,4,5" assert_equal "$actual" "$expected" } @test "triplets whose sum is 108" { [[ $BATS_RUN_SKIPPED == "true" ]] || skip run gawk -f pythagorean-triplet.awk -v sum=108 assert_success actual=$( sort -t, -n -k1,1 <<< "$output" ) expected="27,36,45" assert_equal "$actual" "$expected" } @test "triplets whose sum is 1000" { [[ $BATS_RUN_SKIPPED == "true" ]] || skip run gawk -f pythagorean-triplet.awk -v sum=1000 assert_success actual=$( sort -t, -n -k1,1 <<< "$output" ) expected="200,375,425" assert_equal "$actual" "$expected" } @test "no matching triplets for 1001" { [[ $BATS_RUN_SKIPPED == "true" ]] || skip run gawk -f pythagorean-triplet.awk -v sum=1001 assert_success refute_output } # Note: using ANSI-C Quoting here # see https://www.gnu.org/software/bash/manual/bash.html#ANSI_002dC-Quoting @test "returns all matching triplets" { [[ $BATS_RUN_SKIPPED == "true" ]] || skip run gawk -f pythagorean-triplet.awk -v sum=90 assert_success actual=$( sort -t, -n -k1,1 <<< "$output" ) expected=$'9,40,41\n15,36,39' assert_equal "$actual" "$expected" } @test "several matching triplets" { [[ $BATS_RUN_SKIPPED == "true" ]] || skip run gawk -f pythagorean-triplet.awk -v sum=840 assert_success actual=$( sort -t, -n -k1,1 <<< "$output" ) expected="40,399,401 56,390,394 105,360,375 120,350,370 140,336,364 168,315,357 210,280,350 240,252,348" assert_equal "$actual" "$expected" } # This test is very time-consuming for a brute force solution. @test "triplets for large number" { [[ $BATS_RUN_SKIPPED == "true" ]] || skip run gawk -f pythagorean-triplet.awk -v sum=30000 assert_success actual=$( sort -t, -n -k1,1 <<< "$output" ) expected="1200,14375,14425 1875,14000,14125 5000,12000,13000 6000,11250,12750 7500,10000,12500" assert_equal "$actual" "$expected" }