diff --git a/test/core/prompt.spec b/test/core/prompt.spec
new file mode 100755
index 00000000..42518f06
--- /dev/null
+++ b/test/core/prompt.spec
@@ -0,0 +1,104 @@
+#!/usr/bin/env zsh
+#vim:ft=zsh ts=2 sw=2 sts=2 et fenc=utf-8
+
+# Required for shunit2 to run correctly
+setopt shwordsplit
+SHUNIT_PARENT=$0
+
+function setUp() {
+  export TERM="xterm-256color"
+  # Load Powerlevel9k
+  source powerlevel9k.zsh-theme
+}
+
+function testSegmentOnRightSide() {
+    # Reset RPROMPT, so a running P9K does not interfere with the test
+    local RPROMPT=
+    local -a POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS
+    POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(custom_world1 custom_world2)
+    local POWERLEVEL9K_CUSTOM_WORLD1='echo world1'
+    local POWERLEVEL9K_CUSTOM_WORLD2='echo world2'
+
+    powerlevel9k_prepare_prompts
+
+    local reset_attributes=$'\e[00m'
+    assertEquals "%f%b%k%F{white}%f%K{white}%F{black} world1 %f%F{black}%f%K{white}%F{black} world2%E%{${reset_attributes}%}" "${(e)RPROMPT}"
+}
+
+function testDisablingRightPrompt() {
+    # Reset RPROMPT, so a running P9K does not interfere with the test
+    local RPROMPT=
+    local -a POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS
+    POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(custom_world1 custom_world2)
+    local POWERLEVEL9K_CUSTOM_WORLD1='echo world1'
+    local POWERLEVEL9K_CUSTOM_WORLD2='echo world2'
+    local POWERLEVEL9K_DISABLE_RPROMPT=true
+
+    powerlevel9k_prepare_prompts
+
+    assertEquals "" "${(e)RPROMPT}"
+}
+
+function testLeftMultilinePrompt() {
+    local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+    POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(custom_world1)
+    local POWERLEVEL9K_CUSTOM_WORLD1='echo world1'
+    local POWERLEVEL9K_PROMPT_ON_NEWLINE=true
+
+    powerlevel9k_prepare_prompts
+
+    local nl=$'\n'
+    assertEquals "╭─%f%b%k%K{white} %F{black}world1 %k%F{white}%f ${nl}╰─ " "${(e)PROMPT}"
+}
+
+function testRightPromptOnSameLine() {
+    # Reset RPROMPT, so a running P9K does not interfere with the test
+    local RPROMPT=
+    local -a POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS
+    POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(custom_world1)
+    local POWERLEVEL9K_CUSTOM_WORLD1='echo world1'
+
+    local POWERLEVEL9K_PROMPT_ON_NEWLINE=true
+    local POWERLEVEL9K_RPROMPT_ON_NEWLINE=false # We want the RPROMPT on the same line as our left prompt
+
+    # Skip test, as this cannot be tested properly.
+    # The "go one line up" instruction does not get
+    # printed as real characters in RPROMPT.
+    # On command line the assert statement produces
+    # a visually identical output as we expect, but
+    # it fails anyway. :(
+    startSkipping
+
+    powerlevel9k_prepare_prompts
+    assertEquals "%{\e[1A%}%F{white}%f%K{white}%F{black} world1 %f%{\e[1B%}" "${(e)RPROMPT}"
+}
+
+function testPrefixingFirstLineOnLeftPrompt() {
+    local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+    POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(custom_world1)
+    local POWERLEVEL9K_CUSTOM_WORLD1='echo world1'
+
+    local POWERLEVEL9K_PROMPT_ON_NEWLINE=true
+    local POWERLEVEL9K_MULTILINE_FIRST_PROMPT_PREFIX='XXX'
+
+    powerlevel9k_prepare_prompts
+
+    local nl=$'\n'
+    assertEquals "XXX%f%b%k%K{white} %F{black}world1 %k%F{white}%f ${nl}╰─ " "${(e)PROMPT}"
+}
+
+function testPrefixingSecondLineOnLeftPrompt() {
+    local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+    POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(custom_world1)
+    local POWERLEVEL9K_CUSTOM_WORLD1='echo world1'
+
+    local POWERLEVEL9K_PROMPT_ON_NEWLINE=true
+    local POWERLEVEL9K_MULTILINE_LAST_PROMPT_PREFIX='XXX'
+
+    powerlevel9k_prepare_prompts
+
+    local nl=$'\n'
+    assertEquals "╭─%f%b%k%K{white} %F{black}world1 %k%F{white}%f ${nl}XXX" "${(e)PROMPT}"
+}
+
+source shunit2/source/2.1/src/shunit2