Psalm 44:17-21 affirms God searches hearts and knows faithfulness despite suffering — echoing David's confidence that God's testing found nothing.

In Psalm 26:2, David explicitly asks God to test his heart — mirroring the confidence in integrity here.

In Psalm 39:1, David similarly resolves to guard his tongue from sin, directly echoing the same commitment in Psalm 17:3.

In Psalm 139:1, David declares God has searched him — complementing the testing with exhaustive divine knowledge.

In Psalm 139:24, David prays for God to test him for any grievous way, aligning with the testing theme but as a request rather than a claim of success.

Psalm 141:3 echoes the resolve to guard the mouth, asking God to set a watch over the lips — a direct parallel to the psalmist's purpose not to transgress with his mouth.

In Psalm 69:5, David confesses his sins are not hidden, contrasting sharply with his claim in Psalm 17:3 of having no transgression.

In Psalm 7:8, David asks God to judge him according to his integrity, reinforcing the same theme of divine testing and blamelessness.

In Psalm 7:9, God is described as the one who tests minds and hearts, directly echoing the testing in Psalm 17:3.

In Psalm 18:23, David claims blamelessness before God, consistent with the finding of no transgression in Psalm 17:3.

In Psalm 66:10, God tests his people like silver — adding the refining metaphor to the testing concept.

Psalm 7:4 is David's claim of not repaying evil — another declaration of innocence that parallels his tested integrity here.

In Psalm 11:5, God tests both righteous and wicked — expanding the testing theme to include divine judgment.

Psalm 16:7 also mentions night as a time of divine instruction, reinforcing that God tests and guides His faithful at night.

1 Samuel 24:10 shows David sparing Saul, a concrete example of his integrity — the very behavior he claims in this psalm.

Micah 2:1 condemns those who devise evil on their beds at night — opposite to David's claim of being found blameless when visited at night.

In James 3:2, the ideal of not offending in word echoes David's purpose in Psalm 17:3 to keep his mouth from transgression.

Job 24:14 describes murderers and thieves who use the night for evil — a stark contrast to David's tested integrity at night.

In Job 31:6, Job desires to be weighed in a just balance, directly mirroring David's confidence that God's testing reveals his integrity.

1 Thessalonians 2:4 affirms that God tests hearts—the same divine scrutiny the psalmist welcomes in Psalm 17:3.

Jeremiah 20:12 calls God the one who 'triest the righteous' and sees the heart — a direct parallel to the testing in Psalm 17:3.

Jeremiah 12:3 uses identical language: 'thou hast tried mine heart' — a strong parallel to God's testing in Psalm 17:3.

Proverbs 24:12 asks if God who ponders the heart does not know it — directly echoing the testing of the heart in Psalm 17:3.

In Job 10:7, Job similarly asserts his innocence before God, echoing David's claim that God's testing found no guilt.

In 1 Samuel 26:11, David again refuses to harm Saul, echoing his resolve in Psalm 17:3 to keep his hands (and mouth) from transgression.

In 1 Samuel 24:12, David's refusal to harm Saul demonstrates the integrity he claims here — leaving judgment to God.

In 1 Samuel 26:23, David trusts God to reward his righteousness, consistent with his tested integrity in Psalm 17:3.

In Job 23:10, Job expresses confidence that God's testing will refine him like gold — similar trust in trial.

Hosea 7:6 depicts wicked hearts like an oven plotting evil at night, contrasting with David's pure heart tested by God.

In 1 Corinthians 4:4, Paul acknowledges only God's judgment matters — echoing David's appeal to divine testing.

In 2 Corinthians 1:12, Paul's boast of a clear conscience mirrors David's claim of being tested and found blameless in Psalm 17:3.

In 2 Corinthians 13:5, Paul calls believers to examine themselves—mirroring the divine testing in Psalm 17:3, but now self-applied.

In Job 34:36, Elihu wishes Job to be tried to the end, contrasting with David's claim that testing already proved him blameless.

In 1 Samuel 12:5, Samuel calls God as witness to his integrity, paralleling David's claim in Psalm 17:3 that God tested him and found nothing.

In 1 Peter 1:7, faith tested by fire is more precious than gold — applying the testing metaphor to Christian trials.

In Proverbs 13:3, the wisdom of guarding one's mouth aligns with David's resolve in Psalm 17:3 not to let his mouth transgress.