[clock] Add the equals tests (#880)

Author: IsaacG

exercises/practice/clock/.meta/example.sh

@@ -8,9 +8,7 @@ isnumeric() {
     [[ $1 == ?([+-])+([[:digit:]]) ]]
 }
 
-main() {
-    (( $# == 2 || $# == 4 )) || die "invalid arguments"
-
+hhmm_to_minutes () {
     isnumeric "$1" || die "non-numeric argument"
     isnumeric "$2" || die "non-numeric argument"
 
@@ -21,9 +19,26 @@ main() {
     while ((h < 0)); do ((h += 24)); done
 
     local -i minutes=$(( 60 * h + m ))
+    # wrap around every 24 hours
+    minutes=$(( minutes % (24 * 60)))
+    echo "$minutes"
+}
+
+main() {
+    (( $# == 2 || $# == 4 || $# == 5 )) || die "invalid arguments"
+
+    local -i minutes minutes2
+    minutes=$( hhmm_to_minutes "$1" "$2" ) || exit
 
     case $3 in
+        =) 
+            (( $# == 5 )) || die "invalid arguments"
+            minutes2=$( hhmm_to_minutes "$4" "$5" ) || exit
+            (( minutes == minutes2 )) && echo true || echo false
+            return
+            ;;
         [+-]) 
+            (( $# == 4 )) || die "invalid arguments"
             isnumeric "$4" || die "non-numeric argument"
             minutes=$(( minutes $3 $4 ))
             ;;

exercises/practice/clock/.meta/template.j2

@@ -25,6 +25,8 @@
     run bash {{ solution }} {{ case["input"]["hour"] }} {{ case["input"]["minute"] }} + {{ case["input"]["value"] }}
 {%- elif case["property"] == "subtract" %}
     run bash {{ solution }} {{ case["input"]["hour"] }} {{ case["input"]["minute"] }} - {{ case["input"]["value"] }}
+{%- elif case["property"] == "equal" %}
+    run bash {{ solution }} {{ case["input"]["clock1"]["hour"] }} {{ case["input"]["clock1"]["minute"] }} = {{ case["input"]["clock2"]["hour"] }} {{ case["input"]["clock2"]["minute"] }}
 {%- endif %}
     assert_success
     assert_output "{{ case["expected"] }}"

exercises/practice/clock/.meta/tests.toml

@@ -112,64 +112,48 @@ description = "subtract more than two days"
 
 [f2fdad51-499f-4c9b-a791-b28c9282e311]
 description = "clocks with same time"
-include = false
 
 [5d409d4b-f862-4960-901e-ec430160b768]
 description = "clocks a minute apart"
-include = false
 
 [a6045fcf-2b52-4a47-8bb2-ef10a064cba5]
 description = "clocks an hour apart"
-include = false
 
 [66b12758-0be5-448b-a13c-6a44bce83527]
 description = "clocks with hour overflow"
-include = false
 
 [2b19960c-212e-4a71-9aac-c581592f8111]
 description = "clocks with hour overflow by several days"
-include = false
 
 [6f8c6541-afac-4a92-b0c2-b10d4e50269f]
 description = "clocks with negative hour"
-include = false
 
 [bb9d5a68-e324-4bf5-a75e-0e9b1f97a90d]
 description = "clocks with negative hour that wraps"
-include = false
 
 [56c0326d-565b-4d19-a26f-63b3205778b7]
 description = "clocks with negative hour that wraps multiple times"
-include = false
 
 [c90b9de8-ddff-4ffe-9858-da44a40fdbc2]
 description = "clocks with minute overflow"
-include = false
 
 [533a3dc5-59a7-491b-b728-a7a34fe325de]
 description = "clocks with minute overflow by several days"
-include = false
 
 [fff49e15-f7b7-4692-a204-0f6052d62636]
 description = "clocks with negative minute"
-include = false
 
 [605c65bb-21bd-43eb-8f04-878edf508366]
 description = "clocks with negative minute that wraps"
-include = false
 
 [b87e64ed-212a-4335-91fd-56da8421d077]
 description = "clocks with negative minute that wraps multiple times"
-include = false
 
 [822fbf26-1f3b-4b13-b9bf-c914816b53dd]
 description = "clocks with negative hours and minutes"
-include = false
 
 [e787bccd-cf58-4a1d-841c-ff80eaaccfaa]
 description = "clocks with negative hours and minutes that wrap"
-include = false
 
 [96969ca8-875a-48a1-86ae-257a528c44f5]
 description = "full clock and zeroed clock"
-include = false

exercises/practice/clock/clock.bats

@@ -1,7 +1,7 @@
 #!/usr/bin/env bats
 load bats-extra
 
-# generated on 2026-06-29T16:53:24+00:00
+# generated on 2026-06-30T03:00:58+00:00
 
 # * The canonical "Compare two clocks for equality" tests
 #   have not been included: for bash they will simply be 
@@ -272,6 +272,118 @@ load bats-extra
     assert_output "00:20"
 }
 
+@test "clocks with same time" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 15 37 = 15 37
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks a minute apart" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 15 36 = 15 37
+    assert_success
+    assert_output "false"
+}
+
+@test "clocks an hour apart" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 14 37 = 15 37
+    assert_success
+    assert_output "false"
+}
+
+@test "clocks with hour overflow" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 10 37 = 34 37
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with hour overflow by several days" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 3 11 = 99 11
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with negative hour" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 22 40 = -2 40
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with negative hour that wraps" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 17 3 = -31 3
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with negative hour that wraps multiple times" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 13 49 = -83 49
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with minute overflow" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 0 1 = 0 1441
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with minute overflow by several days" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 2 2 = 2 4322
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with negative minute" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 2 40 = 3 -20
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with negative minute that wraps" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 4 10 = 5 -1490
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with negative minute that wraps multiple times" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 6 15 = 6 -4305
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with negative hours and minutes" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 7 32 = -12 -268
+    assert_success
+    assert_output "true"
+}
+
+@test "clocks with negative hours and minutes that wrap" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 18 7 = -54 -11513
+    assert_success
+    assert_output "true"
+}
+
+@test "full clock and zeroed clock" {
+    [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+    run bash clock.sh 24 0 = 0 0
+    assert_success
+    assert_output "true"
+}
+
 
 # Error conditions: We expect non-zero exit status, and
 # some error message to be output (your choice for wording).
@@ -316,4 +428,4 @@ load bats-extra
     run bash clock.sh 1 2 - 3delta
     assert_failure
     assert_output    # there is _some_ output
-}
+}