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binary-tree-traversals/scripts/run-all.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Regenerates every file in output/. Needs JDK 25 and Maven. The first Maven run must be online.
+# 01-11 are written by JUnit tests that assert the same facts (deterministic).
+# 12-14 are MEASUREMENTS of StackOverflowError depth: they depend on the machine, the JVM build
+# and the -Xss setting, and the depth even varies between attempts inside one JVM.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+mkdir -p output
+mvn -B -q test
+mvn -B -q compile
+run() { java "$@" -cp target/classes com.ankurm.interviewlab.bintree.DeepRecursionDemo 2>&1 | grep -v '^Picked up JAVA_TOOL_OPTIONS' ; }
+run            > output/12-deep-recursion-default-stack.txt
+run -Xss512k   > output/13-deep-recursion-xss512k.txt
+run -Xss4m     > output/14-deep-recursion-xss4m.txt
+echo "done:"; ls -1 output